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case pos.intro.intro.intro.intro α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : StronglyMeasurable f hfg : Integrable (f * g) hg : Integrable g hm : m ≤ m0 hμm this✝ : SigmaFinite (Measure.trim μ hm) sets : ℕ → Set α h_univ : ⋃ i, sets i = Set.univ h_meas : ∀ (x : ℕ), MeasurableSet (sets x) h_fini...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
refine' eventually_of_forall fun x => _
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by by_cases hm : m ≤ m0; swap; · simp_rw [condexp_of_not_le hm]; rw [mul_zero] by_cases...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.319_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
case pos.intro.intro.intro.intro α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : StronglyMeasurable f hfg : Integrable (f * g) hg : Integrable g hm : m ≤ m0 hμm this✝ : SigmaFinite (Measure.trim μ hm) sets : ℕ → Set α h_univ : ⋃ i, sets i = Set.univ h_meas : ∀ (x : ℕ), MeasurableSet (sets x) h_fini...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
by_cases hxs : x ∈ sets n
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by by_cases hm : m ≤ m0; swap; · simp_rw [condexp_of_not_le hm]; rw [mul_zero] by_cases...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.319_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
case pos α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : StronglyMeasurable f hfg : Integrable (f * g) hg : Integrable g hm : m ≤ m0 hμm this✝ : SigmaFinite (Measure.trim μ hm) sets : ℕ → Set α h_univ : ⋃ i, sets i = Set.univ h_meas : ∀ (x : ℕ), MeasurableSet (sets x) h_finite : ∀ (x : ℕ), ↑↑μ (set...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
simp only [hxs, Set.indicator_of_mem]
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by by_cases hm : m ≤ m0; swap; · simp_rw [condexp_of_not_le hm]; rw [mul_zero] by_cases...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.319_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
case pos α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : StronglyMeasurable f hfg : Integrable (f * g) hg : Integrable g hm : m ≤ m0 hμm this✝ : SigmaFinite (Measure.trim μ hm) sets : ℕ → Set α h_univ : ⋃ i, sets i = Set.univ h_meas : ∀ (x : ℕ), MeasurableSet (sets x) h_finite : ∀ (x : ℕ), ↑↑μ (set...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
exact h_norm n x hxs
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by by_cases hm : m ≤ m0; swap; · simp_rw [condexp_of_not_le hm]; rw [mul_zero] by_cases...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.319_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
case neg α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : StronglyMeasurable f hfg : Integrable (f * g) hg : Integrable g hm : m ≤ m0 hμm this✝ : SigmaFinite (Measure.trim μ hm) sets : ℕ → Set α h_univ : ⋃ i, sets i = Set.univ h_meas : ∀ (x : ℕ), MeasurableSet (sets x) h_finite : ∀ (x : ℕ), ↑↑μ (set...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
simp only [hxs, Set.indicator_of_not_mem, not_false_iff, _root_.norm_zero, Nat.cast_nonneg]
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by by_cases hm : m ≤ m0; swap; · simp_rw [condexp_of_not_le hm]; rw [mul_zero] by_cases...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.319_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul {f g : α → ℝ} (hf : StronglyMeasurable[m] f) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g ⊢ μ[f * g|m] =ᵐ[μ] f * μ[g|m]
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mul hf.ae_eq_mk EventuallyEq.rfl)
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] ⊢ μ[f * g|m] =ᵐ[μ] f * μ[g|m]
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
refine' this.trans _
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] ⊢ μ[AEStronglyMeasurable'.mk f hf * g|m] =ᵐ[μ] f * μ[g|m]
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
have : f * μ[g|m] =ᵐ[μ] hf.mk f * μ[g|m] := EventuallyEq.mul hf.ae_eq_mk EventuallyEq.rfl
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this✝ : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] this : f * μ[g|m] =ᵐ[μ] AEStronglyMeasurable'.mk f hf * μ[g|m] ⊢ μ[AEStronglyMeasurable'.mk f hf * g|m] =ᵐ[μ] f * μ[...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
refine' EventuallyEq.trans _ this.symm
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this✝ : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] this : f * μ[g|m] =ᵐ[μ] AEStronglyMeasurable'.mk f hf * μ[g|m] ⊢ μ[AEStronglyMeasurable'.mk f hf * g|m] =ᵐ[μ] AEStro...
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
refine' condexp_stronglyMeasurable_mul hf.stronglyMeasurable_mk _ hg
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this✝ : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] this : f * μ[g|m] =ᵐ[μ] AEStronglyMeasurable'.mk f hf * μ[g|m] ⊢ Integrable (AEStronglyMeasurable'.mk f hf * g)
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
refine' (integrable_congr _).mp hfg
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
α : Type u_1 m m0 : MeasurableSpace α μ : Measure α f g : α → ℝ hf : AEStronglyMeasurable' m f μ hfg : Integrable (f * g) hg : Integrable g this✝ : μ[f * g|m] =ᵐ[μ] μ[AEStronglyMeasurable'.mk f hf * g|m] this : f * μ[g|m] =ᵐ[μ] AEStronglyMeasurable'.mk f hf * μ[g|m] ⊢ f * g =ᵐ[μ] AEStronglyMeasurable'.mk f hf * g
/- Copyright (c) 2022 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Rémy Degenne, Kexing Ying -/ import Mathlib.MeasureTheory.Function.ConditionalExpectation.Indicator import Mathlib.MeasureTheory.Function.UniformIntegrable import Mathlib.MeasureTheory.D...
exact EventuallyEq.mul hf.ae_eq_mk EventuallyEq.rfl
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m] := by have : μ[f * g|m] =ᵐ[μ] μ[hf.mk f * g|m] := condexp_congr_ae (EventuallyEq.mu...
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real.360_0.pyZGtJVYgCCwDLj
/-- Pull-out property of the conditional expectation. -/ theorem condexp_stronglyMeasurable_mul₀ {f g : α → ℝ} (hf : AEStronglyMeasurable' m f μ) (hfg : Integrable (f * g) μ) (hg : Integrable g μ) : μ[f * g|m] =ᵐ[μ] f * μ[g|m]
Mathlib_MeasureTheory_Function_ConditionalExpectation_Real
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 ⊢ HasDerivAtFilter f f' x L ↔ Tendsto (...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp only [hasDerivAtFilter_iff_tendsto, ← norm_inv, ← norm_smul, ← tendsto_zero_iff_norm_tendsto_zero, slope_def_module, smul_sub]
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 ⊢ ∀ x_1 ∉ {x}ᶜ, slope f x x_1 - (x_1 - ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 ⊢ (fun y => slope f x y - (y - x)⁻¹ • (...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
refine (EqOn.eventuallyEq fun y hy ↦ ?_).filter_mono inf_le_right
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 y : 𝕜 hy : y ∈ {x}ᶜ ⊢ slope f x y - (y...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [inv_smul_smul₀ (sub_ne_zero.2 hy) f']
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 ⊢ Tendsto (fun y => slope f x y - f') (...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← nhds_translation_sub f', tendsto_comap_iff]
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s t : Set 𝕜 L✝ L₁ L₂ : Filter 𝕜 x : 𝕜 L : Filter 𝕜 ⊢ Tendsto (fun y => slope f x y - f') (...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rfl
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib.Analysis.Calculus.Deriv.Slope.55_0.NBR6nz3HeHqEkxI
/-- If the domain has dimension one, then Fréchet derivative is equivalent to the classical definition with a limit. In this version we have to take the limit along the subset `-{x}`, because for `y=x` the slope equals zero due to the convention `0⁻¹=0`. -/ theorem hasDerivAtFilter_iff_tendsto_slope {x : 𝕜} {L : Filte...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 ⊢ HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s \ {x}]...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp only [HasDerivWithinAt, nhdsWithin, diff_eq, inf_assoc.symm, inf_principal.symm]
theorem hasDerivWithinAt_iff_tendsto_slope : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s \ {x}] x) (𝓝 f') := by
Mathlib.Analysis.Calculus.Deriv.Slope.73_0.NBR6nz3HeHqEkxI
theorem hasDerivWithinAt_iff_tendsto_slope : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s \ {x}] x) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 ⊢ HasDerivAtFilter f f' x (𝓝 x ⊓ 𝓟 s) ↔ Tendsto (slope f x) ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact hasDerivAtFilter_iff_tendsto_slope
theorem hasDerivWithinAt_iff_tendsto_slope : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s \ {x}] x) (𝓝 f') := by simp only [HasDerivWithinAt, nhdsWithin, diff_eq, inf_assoc.symm, inf_principal.symm]
Mathlib.Analysis.Calculus.Deriv.Slope.73_0.NBR6nz3HeHqEkxI
theorem hasDerivWithinAt_iff_tendsto_slope : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s \ {x}] x) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 hs : x ∉ s ⊢ HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [hasDerivWithinAt_iff_tendsto_slope, diff_singleton_eq_self hs]
theorem hasDerivWithinAt_iff_tendsto_slope' (hs : x ∉ s) : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s] x) (𝓝 f') := by
Mathlib.Analysis.Calculus.Deriv.Slope.79_0.NBR6nz3HeHqEkxI
theorem hasDerivWithinAt_iff_tendsto_slope' (hs : x ∉ s) : HasDerivWithinAt f f' s x ↔ Tendsto (slope f x) (𝓝[s] x) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 ⊢ HasDerivAt f f' x ↔ Tendsto (fun t => t⁻¹ • (f (x + t) - f x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have : 𝓝[≠] x = Filter.map (fun t ↦ x + t) (𝓝[≠] 0) := by simp [nhdsWithin, map_add_left_nhds_zero x, Filter.map_inf, add_right_injective x]
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f') := by
Mathlib.Analysis.Calculus.Deriv.Slope.88_0.NBR6nz3HeHqEkxI
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 ⊢ 𝓝[≠] x = map (fun t => x + t) (𝓝[≠] 0)
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp [nhdsWithin, map_add_left_nhds_zero x, Filter.map_inf, add_right_injective x]
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f') := by have : 𝓝[≠] x = Filter.map (fun t ↦ x + t) (𝓝[≠] 0) := by
Mathlib.Analysis.Calculus.Deriv.Slope.88_0.NBR6nz3HeHqEkxI
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 this : 𝓝[≠] x = map (fun t => x + t) (𝓝[≠] 0) ⊢ HasDerivAt f...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp [hasDerivAt_iff_tendsto_slope, this, slope, Function.comp]
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f') := by have : 𝓝[≠] x = Filter.map (fun t ↦ x + t) (𝓝[≠] 0) := by simp [nhdsWithin, map_add_left_nhds_zero x, Filter.map_inf, add_right_injective x]
Mathlib.Analysis.Calculus.Deriv.Slope.88_0.NBR6nz3HeHqEkxI
theorem hasDerivAt_iff_tendsto_slope_zero : HasDerivAt f f' x ↔ Tendsto (fun t ↦ t⁻¹ • (f (x + t) - f x)) (𝓝[≠] 0) (𝓝 f')
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) ⊢ range (de...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rintro - ⟨x, rfl⟩
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case intro 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t)...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rcases eq_or_neBot (𝓝[s \ {x}] x) with H|H
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case intro.inl 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp [derivWithin, fderivWithin, H]
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case intro.inl 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact subset_closure (zero_mem _)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case intro.inr 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
by_cases H' : DifferentiableWithinAt 𝕜 f s x
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
swap
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case neg 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [derivWithin_zero_of_not_differentiableWithinAt H']
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case neg 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact subset_closure (zero_mem _)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have I : (𝓝[(s ∩ t) \ {x}] x).NeBot := by rw [← mem_closure_iff_nhdsWithin_neBot] at H ⊢ have A : closure (s \ {x}) ⊆ closure (closure (s ∩ t) \ {x}) := closure_mono (diff_subset_diff_left h) have B : closure (s ∩ t) \ {x} ⊆ closure ((s ∩ t) \ {x}) := by convert closure_diff; exact closure_sing...
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← mem_closure_iff_nhdsWithin_neBot] at H ⊢
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have A : closure (s \ {x}) ⊆ closure (closure (s ∩ t) \ {x}) := closure_mono (diff_subset_diff_left h)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have B : closure (s ∩ t) \ {x} ⊆ closure ((s ∩ t) \ {x}) := by convert closure_diff; exact closure_singleton.symm
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
convert closure_diff
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.e'_3.h.e'_4 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact closure_singleton.symm
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simpa using A.trans (closure_mono B) H
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have : Tendsto (slope f x) (𝓝[(s ∩ t) \ {x}] x) (𝓝 (derivWithin f s x)) := by apply Tendsto.mono_left (hasDerivWithinAt_iff_tendsto_slope.1 H'.hasDerivWithinAt) rw [inter_comm, inter_diff_assoc] exact nhdsWithin_mono _ (inter_subset_right _ _)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply Tendsto.mono_left (hasDerivWithinAt_iff_tendsto_slope.1 H'.hasDerivWithinAt)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [inter_comm, inter_diff_assoc]
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x : 𝕜 H :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact nhdsWithin_mono _ (inter_subset_right _ _)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← closure_closure, ← Submodule.topologicalClosure_coe]
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply mem_closure_of_tendsto this
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case pos 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
filter_upwards [self_mem_nhdsWithin] with y hy
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp only [slope, vsub_eq_sub, SetLike.mem_coe]
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s ∩ t) x :...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
refine Submodule.smul_mem _ _ (Submodule.sub_mem _ ?_ ?_)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_1 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply Submodule.le_topologicalClosure
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_1.a 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply Submodule.subset_span
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_1.a.a 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closur...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact mem_image_of_mem _ hy.1.2
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure (s...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply Submodule.closure_subset_topologicalClosure_span
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2.a 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
suffices A : f x ∈ closure (f '' (s ∩ t)) from closure_mono (image_subset _ (inter_subset_right _ _)) A
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2.a 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closure ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply ContinuousWithinAt.mem_closure_image
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2.a.h 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closur...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply H'.continuousWithinAt.mono (inter_subset_left _ _)
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2.a.hx 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closu...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [mem_closure_iff_nhdsWithin_neBot]
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
case h.refine_2.a.hx 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x✝ : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F s t : Set 𝕜 h : s ⊆ closu...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact I.mono (nhdsWithin_mono _ (diff_subset _ _))
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib.Analysis.Calculus.Deriv.Slope.104_0.NBR6nz3HeHqEkxI
/-- Given a set `t` such that `s ∩ t` is dense in `s`, then the range of `derivWithin f s` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_derivWithin_subset_closure_span_image (f : 𝕜 → F) {s t : Set 𝕜} (h : s ⊆ closure (s ∩ t)) : range (derivWithin f s) ⊆ closure (S...
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F t : Set 𝕜 h : Dense t ⊢ range (deriv f) ⊆ closur...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← derivWithin_univ]
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t)) := by
Mathlib.Analysis.Calculus.Deriv.Slope.143_0.NBR6nz3HeHqEkxI
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F t : Set 𝕜 h : Dense t ⊢ range (derivWithin f uni...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply range_derivWithin_subset_closure_span_image
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t)) := by rw [← derivWithin_univ]
Mathlib.Analysis.Calculus.Deriv.Slope.143_0.NBR6nz3HeHqEkxI
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t))
Mathlib_Analysis_Calculus_Deriv_Slope
case h 𝕜 : Type u inst✝⁴ : NontriviallyNormedField 𝕜 F : Type v inst✝³ : NormedAddCommGroup F inst✝² : NormedSpace 𝕜 F E : Type w inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 f : 𝕜 → F t : Set 𝕜 h : Dense t ⊢ univ ⊆ closure (u...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp [dense_iff_closure_eq.1 h]
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t)) := by rw [← derivWithin_univ] app...
Mathlib.Analysis.Calculus.Deriv.Slope.143_0.NBR6nz3HeHqEkxI
/-- Given a dense set `t`, then the range of `deriv f` is contained in the closure of the submodule spanned by the image of `t`. -/ theorem range_deriv_subset_closure_span_image (f : 𝕜 → F) {t : Set 𝕜} (h : Dense t) : range (deriv f) ⊆ closure (Submodule.span 𝕜 (f '' t))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → F s : Set 𝕜 ⊢ IsSeparab...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
obtain ⟨t, ts, t_count, ht⟩ : ∃ t, t ⊆ s ∧ Set.Countable t ∧ s ⊆ closure t := (isSeparable_of_separableSpace s).exists_countable_dense_subset
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s)) := by
Mathlib.Analysis.Calculus.Deriv.Slope.152_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s))
Mathlib_Analysis_Calculus_Deriv_Slope
case intro.intro.intro 𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have : s ⊆ closure (s ∩ t) := by rwa [inter_eq_self_of_subset_right ts]
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s)) := by obtain ⟨t, ts, t_count, ht⟩ : ∃ t, t ⊆ s ∧ Set.Countable t ∧ s ⊆ closure t := (isSeparable_of_separableSpace s).exists_countable_dense_subset
Mathlib.Analysis.Calculus.Deriv.Slope.152_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → F s t : Set 𝕜 ts : t ⊆...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rwa [inter_eq_self_of_subset_right ts]
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s)) := by obtain ⟨t, ts, t_count, ht⟩ : ∃ t, t ⊆ s ∧ Set.Countable t ∧ s ⊆ closure t := (isSeparable_of_separableSpace s).exists_countable_dense_subset have : s ⊆ closure (s ∩ t) := by
Mathlib.Analysis.Calculus.Deriv.Slope.152_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s))
Mathlib_Analysis_Calculus_Deriv_Slope
case intro.intro.intro 𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → ...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply IsSeparable.mono _ (range_derivWithin_subset_closure_span_image f this)
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s)) := by obtain ⟨t, ts, t_count, ht⟩ : ∃ t, t ⊆ s ∧ Set.Countable t ∧ s ⊆ closure t := (isSeparable_of_separableSpace s).exists_countable_dense_subset have : s ⊆ closure (s ∩ t) := by rwa...
Mathlib.Analysis.Calculus.Deriv.Slope.152_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s✝ t✝ : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → F s t : Set 𝕜 ts : t ⊆...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact (Countable.image t_count f).isSeparable.span.closure
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s)) := by obtain ⟨t, ts, t_count, ht⟩ : ∃ t, t ⊆ s ∧ Set.Countable t ∧ s ⊆ closure t := (isSeparable_of_separableSpace s).exists_countable_dense_subset have : s ⊆ closure (s ∩ t) := by rwa...
Mathlib.Analysis.Calculus.Deriv.Slope.152_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_derivWithin [SeparableSpace 𝕜] (f : 𝕜 → F) (s : Set 𝕜) : IsSeparable (range (derivWithin f s))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → F ⊢ IsSeparable (range (d...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← derivWithin_univ]
theorem isSeparable_range_deriv [SeparableSpace 𝕜] (f : 𝕜 → F) : IsSeparable (range (deriv f)) := by
Mathlib.Analysis.Calculus.Deriv.Slope.160_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_deriv [SeparableSpace 𝕜] (f : 𝕜 → F) : IsSeparable (range (deriv f))
Mathlib_Analysis_Calculus_Deriv_Slope
𝕜 : Type u inst✝⁵ : NontriviallyNormedField 𝕜 F : Type v inst✝⁴ : NormedAddCommGroup F inst✝³ : NormedSpace 𝕜 F E : Type w inst✝² : NormedAddCommGroup E inst✝¹ : NormedSpace 𝕜 E f✝ f₀ f₁ g : 𝕜 → F f' f₀' f₁' g' : F x : 𝕜 s t : Set 𝕜 L L₁ L₂ : Filter 𝕜 inst✝ : SeparableSpace 𝕜 f : 𝕜 → F ⊢ IsSeparable (range (d...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact isSeparable_range_derivWithin _ _
theorem isSeparable_range_deriv [SeparableSpace 𝕜] (f : 𝕜 → F) : IsSeparable (range (deriv f)) := by rw [← derivWithin_univ]
Mathlib.Analysis.Calculus.Deriv.Slope.160_0.NBR6nz3HeHqEkxI
theorem isSeparable_range_deriv [SeparableSpace 𝕜] (f : 𝕜 → F) : IsSeparable (range (deriv f))
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r ⊢ ∀ᶠ (z : ℝ) in 𝓝[s] x, ‖z - x‖⁻¹ * ‖f z - f x‖ < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have hr₀ : 0 < r := lt_of_le_of_lt (norm_nonneg f') hr
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r ⊢ ∀ᶠ (z : ℝ) in 𝓝[s] x, ‖z - x‖⁻¹ * ‖f z - f x‖ < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have A : ∀ᶠ z in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r := (hasDerivWithinAt_iff_tendsto_slope.1 hf).norm (IsOpen.mem_nhds isOpen_Iio hr)
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r ⊢ ∀ᶠ (z : ℝ) in 𝓝[s] x, ‖z - x‖⁻¹ * ‖f z - f x‖ < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have B : ∀ᶠ z in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r := mem_of_superset self_mem_nhdsWithin (singleton_subset_iff.2 <| by simp [hr₀])
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r ⊢ x ∈ {x_1 | (fun z => ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r) x_1}
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp [hr₀]
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r B : ∀ᶠ (z : ℝ) in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r ⊢ ∀ᶠ (z : ℝ) in 𝓝[s] x, ‖z - x‖⁻...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have C := mem_sup.2 ⟨A, B⟩
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r B : ∀ᶠ (z : ℝ) in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r C : {x_1 | (fun z => ‖(z - x)⁻¹ •...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rw [← nhdsWithin_union, diff_union_self, nhdsWithin_union, mem_sup] at C
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r B : ∀ᶠ (z : ℝ) in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r C : {x_1 | (fun z => ‖(z - x)⁻¹...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
filter_upwards [C.1]
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
case h E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r B : ∀ᶠ (z : ℝ) in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r C : {x_1 | (fun z => ‖(z...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
simp only [norm_smul, mem_Iio, norm_inv]
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
case h E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r hr₀ : 0 < r A : ∀ᶠ (z : ℝ) in 𝓝[s \ {x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r B : ∀ᶠ (z : ℝ) in 𝓝[{x}] x, ‖(z - x)⁻¹ • (f z - f x)‖ ∈ Iio r C : {x_1 | (fun z => ‖(z...
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact fun _ => id
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib.Analysis.Calculus.Deriv.Slope.197_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `‖f z - f x‖ / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. -/ theorem HasDerivWithinAt.limsup_norm_slo...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r ⊢ ∀ᶠ (z : ℝ) in 𝓝[s] x, ‖z - x‖⁻¹ * (‖f z‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
apply (hf.limsup_norm_slope_le hr).mono
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib.Analysis.Calculus.Deriv.Slope.215_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r ⊢ ∀ (x_1 : ℝ), ‖x_1 - x‖⁻¹ * ‖f x_1 - f x‖ < r → ‖x_1 - x‖⁻¹ * (‖f x_1‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
intro z hz
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib.Analysis.Calculus.Deriv.Slope.215_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r z : ℝ hz : ‖z - x‖⁻¹ * ‖f z - f x‖ < r ⊢ ‖z - x‖⁻¹ * (‖f z‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
refine' lt_of_le_of_lt (mul_le_mul_of_nonneg_left (norm_sub_norm_le _ _) _) hz
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib.Analysis.Calculus.Deriv.Slope.215_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' s x hr : ‖f'‖ < r z : ℝ hz : ‖z - x‖⁻¹ * ‖f z - f x‖ < r ⊢ 0 ≤ ‖z - x‖⁻¹
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
exact inv_nonneg.2 (norm_nonneg _)
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib.Analysis.Calculus.Deriv.Slope.215_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `s` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / ‖z - x‖` is less than `r` in some neighborhood of `x` within `s`. In other words, the limit superior of this ratio as `z` tends to `x` along `s` is less than or equal to `‖f'‖`. This lemma is a weaker version of `Has...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' (Ici x) x hr : ‖f'‖ < r ⊢ ∃ᶠ (z : ℝ) in 𝓝[>] x, (z - x)⁻¹ * (‖f z‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
have := (hf.Ioi_of_Ici.limsup_slope_norm_le hr).frequently
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib.Analysis.Calculus.Deriv.Slope.240_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' (Ici x) x hr : ‖f'‖ < r this : ∃ᶠ (x_1 : ℝ) in 𝓝[>] x, ‖x_1 - x‖⁻¹ * (‖f x_1‖ - ‖f x‖) < r ⊢ ∃ᶠ (z : ℝ) in 𝓝[>] x, (z - x)⁻¹ * (‖f z‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
refine this.mp (Eventually.mono self_mem_nhdsWithin fun z hxz hz ↦ ?_)
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib.Analysis.Calculus.Deriv.Slope.240_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib_Analysis_Calculus_Deriv_Slope
E : Type u inst✝¹ : NormedAddCommGroup E inst✝ : NormedSpace ℝ E f : ℝ → E f' : E s : Set ℝ x r : ℝ hf : HasDerivWithinAt f f' (Ici x) x hr : ‖f'‖ < r this : ∃ᶠ (x_1 : ℝ) in 𝓝[>] x, ‖x_1 - x‖⁻¹ * (‖f x_1‖ - ‖f x‖) < r z : ℝ hxz : x < z hz : ‖z - x‖⁻¹ * (‖f z‖ - ‖f x‖) < r ⊢ (z - x)⁻¹ * (‖f z‖ - ‖f x‖) < r
/- Copyright (c) 2019 Yury Kudryashov. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Yury Kudryashov -/ import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.LinearAlgebra.AffineSpace.Slope #align_import analysis.calculus.deriv.slope from "leanprover-community/...
rwa [Real.norm_eq_abs, abs_of_pos (sub_pos_of_lt hxz)] at hz
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib.Analysis.Calculus.Deriv.Slope.240_0.NBR6nz3HeHqEkxI
/-- If `f` has derivative `f'` within `(x, +∞)` at `x`, then for any `r > ‖f'‖` the ratio `(‖f z‖ - ‖f x‖) / (z - x)` is frequently less than `r` as `z → x+0`. In other words, the limit inferior of this ratio as `z` tends to `x+0` is less than or equal to `‖f'‖`. See also * `HasDerivWithinAt.limsup_norm_slope_le` for...
Mathlib_Analysis_Calculus_Deriv_Slope
C : Type u_1 inst✝² : Category.{?u.44, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A m₁ m₂ m₃ : A X : Cᵒᵖ ⊢ (shiftFunctorAdd C m₂ m₃).inv.app ((shiftFunctor C m₁).obj X.unop) ≫ (shiftFunctorAdd' C m₁ (m₂ + m₃) (m₁ + m₂ + m₃) (_ : m₁ + (m₂ + m₃) = m₁ + m₂ + m₃)).inv.app X.unop = (eqToHom ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
simp [shiftFunctorAdd']
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n := (shiftFunctor C n).op zero := (NatIso.op (shiftFunctorZero C A)).symm add a b := (NatIso.op (shiftFunctorAdd C a b...
Mathlib.CategoryTheory.Shift.Opposite.33_0.DcKDXhgVzsvY9hl
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{?u.44, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A n : A X : Cᵒᵖ ⊢ (shiftFunctor C n).map ((shiftFunctorZero C A).hom.app X.unop) ≫ eqToHom (_ : (shiftFunctor C n).obj ((𝟭 C).obj X.unop) = (shiftFunctor C (0 + n)).obj X.unop) = (eqToHom (_ : ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
simp
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n := (shiftFunctor C n).op zero := (NatIso.op (shiftFunctorZero C A)).symm add a b := (NatIso.op (shiftFunctorAdd C a b...
Mathlib.CategoryTheory.Shift.Opposite.33_0.DcKDXhgVzsvY9hl
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{?u.44, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A n : A X : Cᵒᵖ ⊢ (shiftFunctorZero C A).hom.app ((shiftFunctor C n).obj X.unop) ≫ eqToHom (_ : (𝟭 C).obj ((shiftFunctor C n).obj X.unop) = (shiftFunctor C (n + 0)).obj X.unop) = (eqToHom (_ : ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
simp
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n := (shiftFunctor C n).op zero := (NatIso.op (shiftFunctorZero C A)).symm add a b := (NatIso.op (shiftFunctorAdd C a b...
Mathlib.CategoryTheory.Shift.Opposite.33_0.DcKDXhgVzsvY9hl
/-- Construction of the naive shift on the opposite category of a category `C`: the shiftfunctor by `n` is `(shiftFunctor C n).op`. -/ noncomputable def mkShiftCoreOp : ShiftMkCore Cᵒᵖ A where F n
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{?u.9465, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A ⊢ Category.{?u.9500, u_1} (OppositeShift C A)
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
dsimp only [OppositeShift]
instance : Category (OppositeShift C A) := by
Mathlib.CategoryTheory.Shift.Opposite.54_0.DcKDXhgVzsvY9hl
instance : Category (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{?u.9465, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A ⊢ Category.{?u.9500, u_1} Cᵒᵖ
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
infer_instance
instance : Category (OppositeShift C A) := by dsimp only [OppositeShift]
Mathlib.CategoryTheory.Shift.Opposite.54_0.DcKDXhgVzsvY9hl
instance : Category (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝³ : Category.{?u.9843, u_1} C A : Type u_2 inst✝² : AddMonoid A inst✝¹ : HasShift C A inst✝ : HasZeroObject C ⊢ HasZeroObject (OppositeShift C A)
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
dsimp only [OppositeShift]
instance [HasZeroObject C] : HasZeroObject (OppositeShift C A) := by
Mathlib.CategoryTheory.Shift.Opposite.61_0.DcKDXhgVzsvY9hl
instance [HasZeroObject C] : HasZeroObject (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝³ : Category.{?u.9843, u_1} C A : Type u_2 inst✝² : AddMonoid A inst✝¹ : HasShift C A inst✝ : HasZeroObject C ⊢ HasZeroObject Cᵒᵖ
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
infer_instance
instance [HasZeroObject C] : HasZeroObject (OppositeShift C A) := by dsimp only [OppositeShift]
Mathlib.CategoryTheory.Shift.Opposite.61_0.DcKDXhgVzsvY9hl
instance [HasZeroObject C] : HasZeroObject (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝³ : Category.{?u.10116, u_1} C A : Type u_2 inst✝² : AddMonoid A inst✝¹ : HasShift C A inst✝ : Preadditive C ⊢ Preadditive (OppositeShift C A)
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
dsimp only [OppositeShift]
instance [Preadditive C] : Preadditive (OppositeShift C A) := by
Mathlib.CategoryTheory.Shift.Opposite.65_0.DcKDXhgVzsvY9hl
instance [Preadditive C] : Preadditive (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝³ : Category.{?u.10116, u_1} C A : Type u_2 inst✝² : AddMonoid A inst✝¹ : HasShift C A inst✝ : Preadditive C ⊢ Preadditive Cᵒᵖ
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
infer_instance
instance [Preadditive C] : Preadditive (OppositeShift C A) := by dsimp only [OppositeShift]
Mathlib.CategoryTheory.Shift.Opposite.65_0.DcKDXhgVzsvY9hl
instance [Preadditive C] : Preadditive (OppositeShift C A)
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝⁴ : Category.{?u.10431, u_1} C A : Type u_2 inst✝³ : AddMonoid A inst✝² : HasShift C A inst✝¹ : Preadditive C n : A inst✝ : Functor.Additive (shiftFunctor C n) ⊢ Functor.Additive (shiftFunctor (OppositeShift C A) n)
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
change (shiftFunctor C n).op.Additive
instance [Preadditive C] (n : A) [(shiftFunctor C n).Additive] : (shiftFunctor (OppositeShift C A) n).Additive := by
Mathlib.CategoryTheory.Shift.Opposite.69_0.DcKDXhgVzsvY9hl
instance [Preadditive C] (n : A) [(shiftFunctor C n).Additive] : (shiftFunctor (OppositeShift C A) n).Additive
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝⁴ : Category.{?u.10431, u_1} C A : Type u_2 inst✝³ : AddMonoid A inst✝² : HasShift C A inst✝¹ : Preadditive C n : A inst✝ : Functor.Additive (shiftFunctor C n) ⊢ Functor.Additive (shiftFunctor C n).op
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
infer_instance
instance [Preadditive C] (n : A) [(shiftFunctor C n).Additive] : (shiftFunctor (OppositeShift C A) n).Additive := by change (shiftFunctor C n).op.Additive
Mathlib.CategoryTheory.Shift.Opposite.69_0.DcKDXhgVzsvY9hl
instance [Preadditive C] (n : A) [(shiftFunctor C n).Additive] : (shiftFunctor (OppositeShift C A) n).Additive
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A ⊢ (shiftFunctorZero (OppositeShift C A) A).hom.app X = ((shiftFunctorZero C A).inv.app X.unop).op
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
rw [← cancel_mono ((shiftFunctorZero (OppositeShift C A) A).inv.app X), Iso.hom_inv_id_app, oppositeShiftFunctorZero_inv_app, ← op_comp, Iso.hom_inv_id_app, op_id]
lemma oppositeShiftFunctorZero_hom_app (X : OppositeShift C A) : (shiftFunctorZero (OppositeShift C A) A).hom.app X = ((shiftFunctorZero C A).inv.app X.unop).op := by
Mathlib.CategoryTheory.Shift.Opposite.78_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorZero_hom_app (X : OppositeShift C A) : (shiftFunctorZero (OppositeShift C A) A).hom.app X = ((shiftFunctorZero C A).inv.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A ⊢ 𝟙 ((shiftFunctor (OppositeShift C A) 0).obj X) = 𝟙 (Opposite.op ((shiftFunctor C 0).obj X.unop))
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
rfl
lemma oppositeShiftFunctorZero_hom_app (X : OppositeShift C A) : (shiftFunctorZero (OppositeShift C A) A).hom.app X = ((shiftFunctorZero C A).inv.app X.unop).op := by rw [← cancel_mono ((shiftFunctorZero (OppositeShift C A) A).inv.app X), Iso.hom_inv_id_app, oppositeShiftFunctorZero_inv_app, ← op_comp, ...
Mathlib.CategoryTheory.Shift.Opposite.78_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorZero_hom_app (X : OppositeShift C A) : (shiftFunctorZero (OppositeShift C A) A).hom.app X = ((shiftFunctorZero C A).inv.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A a b c : A h : a + b = c ⊢ (shiftFunctorAdd (OppositeShift C A) a b).hom.app X = ((shiftFunctorAdd C a b).inv.app X.unop).op
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
rw [← cancel_mono ((shiftFunctorAdd (OppositeShift C A) a b).inv.app X), Iso.hom_inv_id_app, oppositeShiftFunctorAdd_inv_app, ← op_comp, Iso.hom_inv_id_app, op_id]
lemma oppositeShiftFunctorAdd_hom_app : (shiftFunctorAdd (OppositeShift C A) a b).hom.app X = ((shiftFunctorAdd C a b).inv.app X.unop).op := by
Mathlib.CategoryTheory.Shift.Opposite.93_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorAdd_hom_app : (shiftFunctorAdd (OppositeShift C A) a b).hom.app X = ((shiftFunctorAdd C a b).inv.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A a b c : A h : a + b = c ⊢ 𝟙 ((shiftFunctor (OppositeShift C A) (a + b)).obj X) = 𝟙 (Opposite.op ((shiftFunctor C (a + b)).obj X.unop))
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
rfl
lemma oppositeShiftFunctorAdd_hom_app : (shiftFunctorAdd (OppositeShift C A) a b).hom.app X = ((shiftFunctorAdd C a b).inv.app X.unop).op := by rw [← cancel_mono ((shiftFunctorAdd (OppositeShift C A) a b).inv.app X), Iso.hom_inv_id_app, oppositeShiftFunctorAdd_inv_app, ← op_comp, Iso.hom_inv_id_app,...
Mathlib.CategoryTheory.Shift.Opposite.93_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorAdd_hom_app : (shiftFunctorAdd (OppositeShift C A) a b).hom.app X = ((shiftFunctorAdd C a b).inv.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A a b c : A h : a + b = c ⊢ (shiftFunctorAdd' (OppositeShift C A) a b c h).inv.app X = ((shiftFunctorAdd' C a b c h).hom.app X.unop).op
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
subst h
lemma oppositeShiftFunctorAdd'_inv_app : (shiftFunctorAdd' (OppositeShift C A) a b c h).inv.app X = ((shiftFunctorAdd' C a b c h).hom.app X.unop).op := by
Mathlib.CategoryTheory.Shift.Opposite.101_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorAdd'_inv_app : (shiftFunctorAdd' (OppositeShift C A) a b c h).inv.app X = ((shiftFunctorAdd' C a b c h).hom.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite
C : Type u_1 inst✝² : Category.{u_3, u_1} C A : Type u_2 inst✝¹ : AddMonoid A inst✝ : HasShift C A X : OppositeShift C A a b : A ⊢ (shiftFunctorAdd' (OppositeShift C A) a b (a + b) (_ : a + b = a + b)).inv.app X = ((shiftFunctorAdd' C a b (a + b) (_ : a + b = a + b)).hom.app X.unop).op
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.Basic import Mathlib.CategoryTheory.Preadditive.Opposite /-! # The (naive) shift on the opposite category If `C` is a category equipped wi...
simp only [shiftFunctorAdd'_eq_shiftFunctorAdd, oppositeShiftFunctorAdd_inv_app]
lemma oppositeShiftFunctorAdd'_inv_app : (shiftFunctorAdd' (OppositeShift C A) a b c h).inv.app X = ((shiftFunctorAdd' C a b c h).hom.app X.unop).op := by subst h
Mathlib.CategoryTheory.Shift.Opposite.101_0.DcKDXhgVzsvY9hl
lemma oppositeShiftFunctorAdd'_inv_app : (shiftFunctorAdd' (OppositeShift C A) a b c h).inv.app X = ((shiftFunctorAdd' C a b c h).hom.app X.unop).op
Mathlib_CategoryTheory_Shift_Opposite