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case inl R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
left
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x := by rcases Finset.eq_empty_or_nonempty s with (rfl|hs) ·
Mathlib.Analysis.Seminorm.408_0.ywwMCgoKeIFKDZ3
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x
Mathlib_Analysis_Seminorm
case inl.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rfl
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x := by rcases Finset.eq_empty_or_nonempty s with (rfl|hs) · left;
Mathlib.Analysis.Seminorm.408_0.ywwMCgoKeIFKDZ3
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x
Mathlib_Analysis_Seminorm
case inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
right
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x := by rcases Finset.eq_empty_or_nonempty s with (rfl|hs) · left; rfl ·
Mathlib.Analysis.Seminorm.408_0.ywwMCgoKeIFKDZ3
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x
Mathlib_Analysis_Seminorm
case inr.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact exists_apply_eq_finset_sup p hs x
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x := by rcases Finset.eq_empty_or_nonempty s with (rfl|hs) · left; rfl · right;
Mathlib.Analysis.Seminorm.408_0.ywwMCgoKeIFKDZ3
theorem zero_or_exists_apply_eq_finset_sup (p : ι → Seminorm 𝕜 E) (s : Finset ι) (x : E) : s.sup p x = 0 ∨ ∃ i ∈ s, s.sup p x = p i x
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext x
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p := by
Mathlib.Analysis.Seminorm.414_0.ywwMCgoKeIFKDZ3
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [smul_apply, finset_sup_apply, finset_sup_apply]
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p := by ext x
Mathlib.Analysis.Seminorm.414_0.ywwMCgoKeIFKDZ3
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
symm
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p := by ext x rw [smul_apply, finset_sup_apply, finset_sup_apply]
Mathlib.Analysis.Seminorm.414_0.ywwMCgoKeIFKDZ3
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact congr_arg ((↑) : ℝ≥0 → ℝ) (NNReal.mul_finset_sup C s (fun i ↦ ⟨p i x, map_nonneg _ _⟩))
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p := by ext x rw [smul_apply, finset_sup_apply, finset_sup_apply] symm
Mathlib.Analysis.Seminorm.414_0.ywwMCgoKeIFKDZ3
theorem finset_sup_smul (p : ι → Seminorm 𝕜 E) (s : Finset ι) (C : ℝ≥0) : s.sup (C • p) = C • s.sup p
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
classical refine' Finset.sup_le_iff.mpr _ intro i hi rw [Finset.sum_eq_sum_diff_singleton_add hi, le_add_iff_nonneg_left] exact bot_le
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i := by
Mathlib.Analysis.Seminorm.421_0.ywwMCgoKeIFKDZ3
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
refine' Finset.sup_le_iff.mpr _
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i := by classical
Mathlib.Analysis.Seminorm.421_0.ywwMCgoKeIFKDZ3
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
intro i hi
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i := by classical refine' Finset.sup_le_iff.mpr _
Mathlib.Analysis.Seminorm.421_0.ywwMCgoKeIFKDZ3
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Finset.sum_eq_sum_diff_singleton_add hi, le_add_iff_nonneg_left]
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i := by classical refine' Finset.sup_le_iff.mpr _ intro i hi
Mathlib.Analysis.Seminorm.421_0.ywwMCgoKeIFKDZ3
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact bot_le
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i := by classical refine' Finset.sup_le_iff.mpr _ intro i hi rw [Finset.sum_eq_sum_diff_singleton_add hi, le_add_iff_nonneg_left]
Mathlib.Analysis.Seminorm.421_0.ywwMCgoKeIFKDZ3
theorem finset_sup_le_sum (p : ι → Seminorm 𝕜 E) (s : Finset ι) : s.sup p ≤ ∑ i in s, p i
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
lift a to ℝ≥0 using ha
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a := by
Mathlib.Analysis.Seminorm.429_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [finset_sup_apply, NNReal.coe_le_coe]
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a := by lift a to ℝ≥0 using ha
Mathlib.Analysis.Seminorm.429_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact Finset.sup_le h
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a := by lift a to ℝ≥0 using ha rw [finset_sup_apply, NNReal.coe_le_coe]
Mathlib.Analysis.Seminorm.429_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_le {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 ≤ a) (h : ∀ i, i ∈ s → p i x ≤ a) : s.sup p x ≤ a
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : 𝕜₂ →+* 𝕜₃ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
lift a to ℝ≥0 using ha.le
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a := by
Mathlib.Analysis.Seminorm.440_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [finset_sup_apply, NNReal.coe_lt_coe, Finset.sup_lt_iff]
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a := by lift a to ℝ≥0 using ha.le
Mathlib.Analysis.Seminorm.440_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact h
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a := by lift a to ℝ≥0 using ha.le rw [finset_sup_apply, NNReal.coe_lt_coe, Finset.sup_lt_iff] ·
Mathlib.Analysis.Seminorm.440_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝¹⁸ : SeminormedRing 𝕜 inst✝¹⁷ : SeminormedRing 𝕜₂ inst✝¹⁶ : SeminormedRing 𝕜₃ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝¹⁵ : RingHomIsometric σ₁₂ σ₂₃ : �...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact NNReal.coe_pos.mpr ha
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a := by lift a to ℝ≥0 using ha.le rw [finset_sup_apply, NNReal.coe_lt_coe, Finset.sup_lt_iff] · exact h ·
Mathlib.Analysis.Seminorm.440_0.ywwMCgoKeIFKDZ3
theorem finset_sup_apply_lt {p : ι → Seminorm 𝕜 E} {s : Finset ι} {x : E} {a : ℝ} (ha : 0 < a) (h : ∀ i, i ∈ s → p i x < a) : s.sup p x < a
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝⁶ : SeminormedRing 𝕜 inst✝⁵ : SeminormedCommRing 𝕜₂ σ₁₂ : 𝕜 →+* 𝕜₂ inst✝⁴ : RingHomIsometric σ₁₂ inst✝³ : AddCommGroup E inst✝² : AddCommGroup ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [comp_apply, smul_apply, LinearMap.smul_apply, map_smul_eq_mul, NNReal.smul_def, coe_nnnorm, smul_eq_mul, comp_apply]
theorem comp_smul (p : Seminorm 𝕜₂ E₂) (f : E →ₛₗ[σ₁₂] E₂) (c : 𝕜₂) : p.comp (c • f) = ‖c‖₊ • p.comp f := ext fun _ => by
Mathlib.Analysis.Seminorm.464_0.ywwMCgoKeIFKDZ3
theorem comp_smul (p : Seminorm 𝕜₂ E₂) (f : E →ₛₗ[σ₁₂] E₂) (c : 𝕜₂) : p.comp (c • f) = ‖c‖₊ • p.comp f
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E ⊢ 0 ∈ lowerBounds (range fun u => p u + q (x - u))
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rintro _ ⟨x, rfl⟩
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u)) := ⟨0, by
Mathlib.Analysis.Seminorm.482_0.ywwMCgoKeIFKDZ3
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u))
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ x : E ⊢ 0 ≤ (fun u => p u + q (x✝ - u)) x
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
dsimp
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u)) := ⟨0, by rintro _ ⟨x, rfl⟩
Mathlib.Analysis.Seminorm.482_0.ywwMCgoKeIFKDZ3
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u))
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ x : E ⊢ 0 ≤ p x + q (x✝ - x)
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
positivity
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u)) := ⟨0, by rintro _ ⟨x, rfl⟩ dsimp;
Mathlib.Analysis.Seminorm.482_0.ywwMCgoKeIFKDZ3
/-- Auxiliary lemma to show that the infimum of seminorms is well-defined. -/ theorem bddBelow_range_add : BddBelow (range fun u => p u + q (x - u))
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E := p.toAdd...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
intro a x
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E := p.toAd...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
obtain rfl | ha := eq_or_ne a 0
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
case inl R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [norm_zero, zero_mul, zero_smul]
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 ·
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
case inl R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
refine' ciInf_eq_of_forall_ge_of_forall_gt_exists_lt -- Porting note: the following was previously `fun i => by positivity` (fun i => add_nonneg (map_nonneg _ _) (map_nonneg _ _)) fun x hx => ⟨0, by rwa [map_zero, sub_zero, map_zero, add_zero]⟩
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 · rw [norm_zero, zero_mul, zero_smul]
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝¹ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E := p.toA...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rwa [map_zero, sub_zero, map_zero, add_zero]
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 · rw [norm_zero, zero_mul, zero_smul] refine' ...
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
case inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp_rw [Real.mul_iInf_of_nonneg (norm_nonneg a), mul_add, ← map_smul_eq_mul p, ← map_smul_eq_mul q, smul_sub]
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 · rw [norm_zero, zero_mul, zero_smul] refine' ...
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
case inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
refine' Function.Surjective.iInf_congr ((a⁻¹ • ·) : E → E) (fun u => ⟨a • u, inv_smul_smul₀ ha u⟩) fun u => _
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 · rw [norm_zero, zero_mul, zero_smul] refine' ...
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
case inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E p q : Seminorm 𝕜 E src✝ : AddGroupSeminorm E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [smul_inv_smul₀ ha]
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q := { p.toAddGroupSeminorm ⊓ q.toAddGroupSeminorm with toFun := fun x => ⨅ u : E, p u + q (x - u) smul' := by intro a x obtain rfl | ha := eq_or_ne a 0 · rw [norm_zero, zero_mul, zero_smul] refine' ...
Mathlib.Analysis.Seminorm.489_0.ywwMCgoKeIFKDZ3
noncomputable instance instInf : Inf (Seminorm 𝕜 E) where inf p q
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E src✝ : SemilatticeSup (Seminorm 𝕜 E) := instSemilattic...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp only [sub_self, map_zero, add_zero]
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E) := { Seminorm.instSemilatticeSup with inf := (· ⊓ ·) inf_le_left := fun p q x => ciInf_le_of_le bddBelow_range_add x <| by
Mathlib.Analysis.Seminorm.514_0.ywwMCgoKeIFKDZ3
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E src✝ : SemilatticeSup (Seminorm 𝕜 E) := instSemilattic...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rfl
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E) := { Seminorm.instSemilatticeSup with inf := (· ⊓ ·) inf_le_left := fun p q x => ciInf_le_of_le bddBelow_range_add x <| by simp only [sub_self, map_zero, add_zero];
Mathlib.Analysis.Seminorm.514_0.ywwMCgoKeIFKDZ3
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E src✝ : SemilatticeSup (Seminorm 𝕜 E) := instSemilattic...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp only [sub_self, map_zero, zero_add, sub_zero]
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E) := { Seminorm.instSemilatticeSup with inf := (· ⊓ ·) inf_le_left := fun p q x => ciInf_le_of_le bddBelow_range_add x <| by simp only [sub_self, map_zero, add_zero]; rfl inf_le_right := fun p q x => ciInf_le_of_le bddBelow_ran...
Mathlib.Analysis.Seminorm.514_0.ywwMCgoKeIFKDZ3
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E src✝ : SemilatticeSup (Seminorm 𝕜 E) := instSemilattic...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rfl
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E) := { Seminorm.instSemilatticeSup with inf := (· ⊓ ·) inf_le_left := fun p q x => ciInf_le_of_le bddBelow_range_add x <| by simp only [sub_self, map_zero, add_zero]; rfl inf_le_right := fun p q x => ciInf_le_of_le bddBelow_ran...
Mathlib.Analysis.Seminorm.514_0.ywwMCgoKeIFKDZ3
noncomputable instance instLattice : Lattice (Seminorm 𝕜 E)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝⁵ : NormedField 𝕜 inst✝⁴ : AddCommGroup E inst✝³ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x : E inst✝² : SMul R ℝ inst✝¹ : SMul R ℝ≥0 inst✝ : IsScalarT...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext
theorem smul_inf [SMul R ℝ] [SMul R ℝ≥0] [IsScalarTower R ℝ≥0 ℝ] (r : R) (p q : Seminorm 𝕜 E) : r • (p ⊓ q) = r • p ⊓ r • q := by
Mathlib.Analysis.Seminorm.526_0.ywwMCgoKeIFKDZ3
theorem smul_inf [SMul R ℝ] [SMul R ℝ≥0] [IsScalarTower R ℝ≥0 ℝ] (r : R) (p q : Seminorm 𝕜 E) : r • (p ⊓ q) = r • p ⊓ r • q
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝⁵ : NormedField 𝕜 inst✝⁴ : AddCommGroup E inst✝³ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x : E inst✝² : SMul R ℝ inst✝¹ : SMul R ℝ≥0 inst✝ : Is...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp_rw [smul_apply, inf_apply, smul_apply, ← smul_one_smul ℝ≥0 r (_ : ℝ), NNReal.smul_def, smul_eq_mul, Real.mul_iInf_of_nonneg (NNReal.coe_nonneg _), mul_add]
theorem smul_inf [SMul R ℝ] [SMul R ℝ≥0] [IsScalarTower R ℝ≥0 ℝ] (r : R) (p q : Seminorm 𝕜 E) : r • (p ⊓ q) = r • p ⊓ r • q := by ext
Mathlib.Analysis.Seminorm.526_0.ywwMCgoKeIFKDZ3
theorem smul_inf [SMul R ℝ] [SMul R ℝ≥0] [IsScalarTower R ℝ≥0 ℝ] (r : R) (p q : Seminorm 𝕜 E) : r • (p ⊓ q) = r • p ⊓ r • q
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) ⊢ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [iSup_apply, ← @Real.ciSup_const_zero s]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) ⊢ ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
congr!
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLik...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rename_i _ _ _ i
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLik...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact map_zero i.1
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) x...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rcases h with ⟨q, hq⟩
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E q : E → ℝ hq ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
obtain rfl | h := s.eq_empty_or_nonempty
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inl R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ x y : E q : E → ℝ hq : q ∈ upperBounds (FunLi...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp [Real.ciSup_empty]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E q : E → ℝ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
haveI : Nonempty ↑s := h.coe_sort
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E q : E → ℝ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp only [iSup_apply]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E q : E → ℝ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
refine' ciSup_le fun i => ((i : Seminorm 𝕜 E).add_le' x y).trans <| add_le_add -- Porting note: `f` is provided to force `Subtype.val` to appear. -- A type ascription on `_` would have also worked, but would have been more verbose. (le_ciSup (f := fun i => (Subtype...
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr.refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_upperBounds, forall_range_iff]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr.refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_upperBounds, forall_range_iff]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr.refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact fun j => hq (mem_image_of_mem _ j.2) _
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case intro.inr.refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) x y : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact fun j => hq (mem_image_of_mem _ j.2) _
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) x...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp only [iSup_apply]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) x...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
congr! 2
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝¹ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunL...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rename_i _ _ _ i
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLi...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact i.1.neg' _
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) a...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp only [iSup_apply]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) a...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [← smul_eq_mul, Real.smul_iSup_of_nonneg (norm_nonneg a) fun i : s => (i : Seminorm 𝕜 E) x]
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLike.coe '' s) a...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
congr!
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝¹ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunL...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rename_i _ _ _ i
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
case h.e'_4.h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) h : BddAbove (FunLi...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact i.1.smul' a x
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib.Analysis.Seminorm.537_0.ywwMCgoKeIFKDZ3
/-- We define the supremum of an arbitrary subset of `Seminorm 𝕜 E` as follows: * if `s` is `BddAbove` *as a set of functions `E → ℝ`* (that is, if `s` is pointwise bounded above), we take the pointwise supremum of all elements of `s`, and we prove that it is indeed a seminorm. * otherwise, we take the zero seminorm `...
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) H : BddAbove (FunLike.coe '' s) ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
dsimp
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ)) := ⟨fun ⟨q, hq⟩ => ⟨q, ball_image_of_ball fun p hp => hq hp⟩, fun H => ⟨sSup s, fun p hp x => by
Mathlib.Analysis.Seminorm.595_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ))
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) H : BddAbove (FunLike.coe '' s) ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.coe_sSup_eq' H, iSup_apply]
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ)) := ⟨fun ⟨q, hq⟩ => ⟨q, ball_image_of_ball fun p hp => hq hp⟩, fun H => ⟨sSup s, fun p hp x => by dsimp
Mathlib.Analysis.Seminorm.595_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ))
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) H : BddAbove (FunLike.coe '' s) ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rcases H with ⟨q, hq⟩
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ)) := ⟨fun ⟨q, hq⟩ => ⟨q, ball_image_of_ball fun p hp => hq hp⟩, fun H => ⟨sSup s, fun p hp x => by dsimp rw [Seminorm.coe_sSup_eq' H, iSup_apply]
Mathlib.Analysis.Seminorm.595_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ))
Mathlib_Analysis_Seminorm
case intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) p : Seminorm 𝕜 E hp...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact le_ciSup ⟨q x, forall_range_iff.mpr fun i : s => hq (mem_image_of_mem _ i.2) x⟩ ⟨p, hp⟩
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ)) := ⟨fun ⟨q, hq⟩ => ⟨q, ball_image_of_ball fun p hp => hq hp⟩, fun H => ⟨sSup s, fun p hp x => by dsimp rw [Seminorm.coe_sSup_eq' H, iSup_apply] rcases H with ⟨q, hq⟩
Mathlib.Analysis.Seminorm.595_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_iff {s : Set <| Seminorm 𝕜 E} : BddAbove s ↔ BddAbove ((↑) '' s : Set (E → ℝ))
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x : E p : ι → Seminorm 𝕜 E ⊢ BddAbove (range p) ↔ ∀ (x : E), B...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.bddAbove_iff, ← range_comp, bddAbove_range_pi]
protected theorem bddAbove_range_iff {p : ι → Seminorm 𝕜 E} : BddAbove (range p) ↔ ∀ x, BddAbove (range fun i ↦ p i x) := by
Mathlib.Analysis.Seminorm.606_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_range_iff {p : ι → Seminorm 𝕜 E} : BddAbove (range p) ↔ ∀ x, BddAbove (range fun i ↦ p i x)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x : E p : ι → Seminorm 𝕜 E ⊢ (∀ (a : E), BddAbove (range fun i...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rfl
protected theorem bddAbove_range_iff {p : ι → Seminorm 𝕜 E} : BddAbove (range p) ↔ ∀ x, BddAbove (range fun i ↦ p i x) := by rw [Seminorm.bddAbove_iff, ← range_comp, bddAbove_range_pi];
Mathlib.Analysis.Seminorm.606_0.ywwMCgoKeIFKDZ3
protected theorem bddAbove_range_iff {p : ι → Seminorm 𝕜 E} : BddAbove (range p) ↔ ∀ x, BddAbove (range fun i ↦ p i x)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι✝ : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x : E ι : Type u_13 p : ι → Seminorm 𝕜 E hp : BddAbove (range...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [← sSup_range, Seminorm.coe_sSup_eq hp]
protected theorem coe_iSup_eq {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) : ↑(⨆ i, p i) = ⨆ i, ((p i : Seminorm 𝕜 E) : E → ℝ) := by
Mathlib.Analysis.Seminorm.615_0.ywwMCgoKeIFKDZ3
protected theorem coe_iSup_eq {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) : ↑(⨆ i, p i) = ⨆ i, ((p i : Seminorm 𝕜 E) : E → ℝ)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι✝ : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x : E ι : Type u_13 p : ι → Seminorm 𝕜 E hp : BddAbove (range...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact iSup_range' (fun p : Seminorm 𝕜 E => (p : E → ℝ)) p
protected theorem coe_iSup_eq {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) : ↑(⨆ i, p i) = ⨆ i, ((p i : Seminorm 𝕜 E) : E → ℝ) := by rw [← sSup_range, Seminorm.coe_sSup_eq hp]
Mathlib.Analysis.Seminorm.615_0.ywwMCgoKeIFKDZ3
protected theorem coe_iSup_eq {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) : ↑(⨆ i, p i) = ⨆ i, ((p i : Seminorm 𝕜 E) : E → ℝ)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hp : BddAbove s x : E ⊢ (sSup s) ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.coe_sSup_eq hp, iSup_apply]
protected theorem sSup_apply {s : Set (Seminorm 𝕜 E)} (hp : BddAbove s) {x : E} : (sSup s) x = ⨆ p : s, (p : E → ℝ) x := by
Mathlib.Analysis.Seminorm.621_0.ywwMCgoKeIFKDZ3
protected theorem sSup_apply {s : Set (Seminorm 𝕜 E)} (hp : BddAbove s) {x : E} : (sSup s) x = ⨆ p : s, (p : E → ℝ) x
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι✝ : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E ι : Type u_13 p : ι → Seminorm 𝕜 E hp : BddAbove (rang...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.coe_iSup_eq hp, iSup_apply]
protected theorem iSup_apply {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) {x : E} : (⨆ i, p i) x = ⨆ i, p i x := by
Mathlib.Analysis.Seminorm.625_0.ywwMCgoKeIFKDZ3
protected theorem iSup_apply {ι : Type*} {p : ι → Seminorm 𝕜 E} (hp : BddAbove (range p)) {x : E} : (⨆ i, p i) x = ⨆ i, p i x
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E ⊢ sSup ∅ = ⊥
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥ := by
Mathlib.Analysis.Seminorm.629_0.ywwMCgoKeIFKDZ3
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x x✝ : E ⊢ (sSup ∅) x✝ = ⊥ x✝
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.sSup_apply bddAbove_empty, Real.ciSup_empty]
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥ := by ext
Mathlib.Analysis.Seminorm.629_0.ywwMCgoKeIFKDZ3
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x x✝ : E ⊢ 0 = ⊥ x✝
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rfl
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥ := by ext rw [Seminorm.sSup_apply bddAbove_empty, Real.ciSup_empty]
Mathlib.Analysis.Seminorm.629_0.ywwMCgoKeIFKDZ3
protected theorem sSup_empty : sSup (∅ : Set (Seminorm 𝕜 E)) = ⊥
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p q : Seminorm 𝕜 E x : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s hs₂ : Set.Nonempt...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
refine' ⟨fun p hp x => _, fun p hp x => _⟩
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
haveI : Nonempty ↑s := hs₂.coe_sort
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
haveI : Nonempty ↑s := hs₂.coe_sort
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
dsimp
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
dsimp
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.coe_sSup_eq hs₁, iSup_apply]
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;> dsimp <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Seminorm.coe_sSup_eq hs₁, iSup_apply]
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;> dsimp <;>
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_1 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rcases hs₁ with ⟨q, hq⟩
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;> dsimp <;> rw [Seminorm.coe_sSup_eq hs₁, iSup_apply] ·
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_1.intro R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q✝ : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₂ : Set....
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact le_ciSup ⟨q x, forall_range_iff.mpr fun i : s => hq i.2 x⟩ ⟨p, hp⟩
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;> dsimp <;> rw [Seminorm.coe_sSup_eq hs₁, iSup_apply] · rcases hs₁ with ⟨q, hq⟩
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
case refine'_2 R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : NormedField 𝕜 inst✝¹ : AddCommGroup E inst✝ : Module 𝕜 E p✝ q : Seminorm 𝕜 E x✝ : E s : Set (Seminorm 𝕜 E) hs₁ : BddAbove s ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
exact ciSup_le fun q => hp q.2 x
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s) := by refine' ⟨fun p hp x => _, fun p hp x => _⟩ <;> haveI : Nonempty ↑s := hs₂.coe_sort <;> dsimp <;> rw [Seminorm.coe_sSup_eq hs₁, iSup_apply] · rcases hs₁ with ⟨q, hq⟩ exact le_ciSup...
Mathlib.Analysis.Seminorm.634_0.ywwMCgoKeIFKDZ3
private theorem Seminorm.isLUB_sSup (s : Set (Seminorm 𝕜 E)) (hs₁ : BddAbove s) (hs₂ : s.Nonempty) : IsLUB s (sSup s)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x y : E r : ℝ hr : 0 < r ⊢ x ∈ ball p x r
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp [hr]
theorem mem_ball_self (hr : 0 < r) : x ∈ ball p x r := by
Mathlib.Analysis.Seminorm.696_0.ywwMCgoKeIFKDZ3
theorem mem_ball_self (hr : 0 < r) : x ∈ ball p x r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x y : E r : ℝ hr : 0 ≤ r ⊢ x ∈ closedBall p x r
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp [hr]
theorem mem_closedBall_self (hr : 0 ≤ r) : x ∈ closedBall p x r := by
Mathlib.Analysis.Seminorm.699_0.ywwMCgoKeIFKDZ3
theorem mem_closedBall_self (hr : 0 ≤ r) : x ∈ closedBall p x r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x y : E r : ℝ ⊢ y ∈ ball p 0 r ↔ p y < r
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_ball, sub_zero]
theorem mem_ball_zero : y ∈ ball p 0 r ↔ p y < r := by
Mathlib.Analysis.Seminorm.702_0.ywwMCgoKeIFKDZ3
theorem mem_ball_zero : y ∈ ball p 0 r ↔ p y < r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x y : E r : ℝ ⊢ y ∈ closedBall p 0 r ↔ p y ≤ r
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_closedBall, sub_zero]
theorem mem_closedBall_zero : y ∈ closedBall p 0 r ↔ p y ≤ r := by
Mathlib.Analysis.Seminorm.705_0.ywwMCgoKeIFKDZ3
theorem mem_closedBall_zero : y ∈ closedBall p 0 r ↔ p y ≤ r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x✝ y : E r✝ : ℝ x : E r : ℝ ⊢ closedBall p x r = ⋂ ρ, ⋂ (_ : ρ > ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext y
theorem closedBall_eq_biInter_ball (x r) : closedBall p x r = ⋂ ρ > r, ball p x ρ := by
Mathlib.Analysis.Seminorm.720_0.ywwMCgoKeIFKDZ3
theorem closedBall_eq_biInter_ball (x r) : closedBall p x r = ⋂ ρ > r, ball p x ρ
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x✝ y✝ : E r✝ : ℝ x : E r : ℝ y : E ⊢ y ∈ closedBall p x r ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp_rw [mem_closedBall, mem_iInter₂, mem_ball, ← forall_lt_iff_le']
theorem closedBall_eq_biInter_ball (x r) : closedBall p x r = ⋂ ρ > r, ball p x ρ := by ext y;
Mathlib.Analysis.Seminorm.720_0.ywwMCgoKeIFKDZ3
theorem closedBall_eq_biInter_ball (x r) : closedBall p x r = ⋂ ρ > r, ball p x ρ
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x✝ y : E r : ℝ x : E hr : 0 < r ⊢ ball 0 x r = univ
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [Set.eq_univ_iff_forall, ball]
@[simp] theorem ball_zero' (x : E) (hr : 0 < r) : ball (0 : Seminorm 𝕜 E) x r = Set.univ := by
Mathlib.Analysis.Seminorm.724_0.ywwMCgoKeIFKDZ3
@[simp] theorem ball_zero' (x : E) (hr : 0 < r) : ball (0 : Seminorm 𝕜 E) x r = Set.univ
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p : Seminorm 𝕜 E x✝ y : E r : ℝ x : E hr : 0 < r ⊢ ∀ (x_1 : E), x_1 ∈ {y | 0 (y - ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp [hr]
@[simp] theorem ball_zero' (x : E) (hr : 0 < r) : ball (0 : Seminorm 𝕜 E) x r = Set.univ := by rw [Set.eq_univ_iff_forall, ball]
Mathlib.Analysis.Seminorm.724_0.ywwMCgoKeIFKDZ3
@[simp] theorem ball_zero' (x : E) (hr : 0 < r) : ball (0 : Seminorm 𝕜 E) x r = Set.univ
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x✝ y : E r✝ : ℝ p : Seminorm 𝕜 E c : ℝ≥0 hc : 0 < c r : ℝ x : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext
theorem ball_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).ball x r = p.ball x (r / c) := by
Mathlib.Analysis.Seminorm.735_0.ywwMCgoKeIFKDZ3
theorem ball_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).ball x r = p.ball x (r / c)
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x✝¹ y : E r✝ : ℝ p : Seminorm 𝕜 E c : ℝ≥0 hc : 0 < c r :...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_ball, mem_ball, smul_apply, NNReal.smul_def, smul_eq_mul, mul_comm, lt_div_iff (NNReal.coe_pos.mpr hc)]
theorem ball_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).ball x r = p.ball x (r / c) := by ext
Mathlib.Analysis.Seminorm.735_0.ywwMCgoKeIFKDZ3
theorem ball_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).ball x r = p.ball x (r / c)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x✝ y : E r✝ : ℝ p : Seminorm 𝕜 E c : ℝ≥0 hc : 0 < c r : ℝ x : E...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
ext
theorem closedBall_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).closedBall x r = p.closedBall x (r / c) := by
Mathlib.Analysis.Seminorm.742_0.ywwMCgoKeIFKDZ3
theorem closedBall_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).closedBall x r = p.closedBall x (r / c)
Mathlib_Analysis_Seminorm
case h R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x✝¹ y : E r✝ : ℝ p : Seminorm 𝕜 E c : ℝ≥0 hc : 0 < c r :...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
rw [mem_closedBall, mem_closedBall, smul_apply, NNReal.smul_def, smul_eq_mul, mul_comm, le_div_iff (NNReal.coe_pos.mpr hc)]
theorem closedBall_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).closedBall x r = p.closedBall x (r / c) := by ext
Mathlib.Analysis.Seminorm.742_0.ywwMCgoKeIFKDZ3
theorem closedBall_smul (p : Seminorm 𝕜 E) {c : NNReal} (hc : 0 < c) (r : ℝ) (x : E) : (c • p).closedBall x r = p.closedBall x (r / c)
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x y : E r✝ : ℝ p q : Seminorm 𝕜 E e : E r : ℝ ⊢ ball (p ⊔ q) e ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp_rw [ball, ← Set.setOf_and, coe_sup, Pi.sup_apply, sup_lt_iff]
theorem ball_sup (p : Seminorm 𝕜 E) (q : Seminorm 𝕜 E) (e : E) (r : ℝ) : ball (p ⊔ q) e r = ball p e r ∩ ball q e r := by
Mathlib.Analysis.Seminorm.749_0.ywwMCgoKeIFKDZ3
theorem ball_sup (p : Seminorm 𝕜 E) (q : Seminorm 𝕜 E) (e : E) (r : ℝ) : ball (p ⊔ q) e r = ball p e r ∩ ball q e r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x y : E r✝ : ℝ p q : Seminorm 𝕜 E e : E r : ℝ ⊢ closedBall (p ⊔...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
simp_rw [closedBall, ← Set.setOf_and, coe_sup, Pi.sup_apply, sup_le_iff]
theorem closedBall_sup (p : Seminorm 𝕜 E) (q : Seminorm 𝕜 E) (e : E) (r : ℝ) : closedBall (p ⊔ q) e r = closedBall p e r ∩ closedBall q e r := by
Mathlib.Analysis.Seminorm.754_0.ywwMCgoKeIFKDZ3
theorem closedBall_sup (p : Seminorm 𝕜 E) (q : Seminorm 𝕜 E) (e : E) (r : ℝ) : closedBall (p ⊔ q) e r = closedBall p e r ∩ closedBall q e r
Mathlib_Analysis_Seminorm
R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x y : E r✝ : ℝ p : ι → Seminorm 𝕜 E s : Finset ι H : Finset.Non...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
induction' H using Finset.Nonempty.cons_induction with a a s ha hs ih
theorem ball_finset_sup' (p : ι → Seminorm 𝕜 E) (s : Finset ι) (H : s.Nonempty) (e : E) (r : ℝ) : ball (s.sup' H p) e r = s.inf' H fun i => ball (p i) e r := by
Mathlib.Analysis.Seminorm.759_0.ywwMCgoKeIFKDZ3
theorem ball_finset_sup' (p : ι → Seminorm 𝕜 E) (s : Finset ι) (H : s.Nonempty) (e : E) (r : ℝ) : ball (s.sup' H p) e r = s.inf' H fun i => ball (p i) e r
Mathlib_Analysis_Seminorm
case h₀ R : Type u_1 R' : Type u_2 𝕜 : Type u_3 𝕜₂ : Type u_4 𝕜₃ : Type u_5 𝕝 : Type u_6 E : Type u_7 E₂ : Type u_8 E₃ : Type u_9 F : Type u_10 G : Type u_11 ι : Type u_12 inst✝² : SeminormedRing 𝕜 inst✝¹ : AddCommGroup E inst✝ : SMul 𝕜 E p✝ : Seminorm 𝕜 E x y : E r✝ : ℝ p : ι → Seminorm 𝕜 E s : Finset ι e : E ...
/- Copyright (c) 2019 Jean Lo. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Jean Lo, Yaël Dillies, Moritz Doll -/ import Mathlib.Data.Real.Pointwise import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.LocallyConvex.Basic import Mathlib.Analysis.Normed.Gro...
classical simp
theorem ball_finset_sup' (p : ι → Seminorm 𝕜 E) (s : Finset ι) (H : s.Nonempty) (e : E) (r : ℝ) : ball (s.sup' H p) e r = s.inf' H fun i => ball (p i) e r := by induction' H using Finset.Nonempty.cons_induction with a a s ha hs ih ·
Mathlib.Analysis.Seminorm.759_0.ywwMCgoKeIFKDZ3
theorem ball_finset_sup' (p : ι → Seminorm 𝕜 E) (s : Finset ι) (H : s.Nonempty) (e : E) (r : ℝ) : ball (s.sup' H p) e r = s.inf' H fun i => ball (p i) e r
Mathlib_Analysis_Seminorm