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https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
linarith
f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ δ / 2 < δ
no goals
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ δ / 2 < δ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
apply HasCompactSupport.contDiff_convolution_left
case h.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f₀
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ HasCompactSupport (φ.normed MeasureTheory.volume) case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
Please generate a tactic in lean4 to solve the state. STATE: case h.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f₀ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
. exact ContDiffBump.hasCompactSupport_normed φ
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ HasCompactSupport (φ.normed MeasureTheory.volume) case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ HasCompactSupport (φ.normed MeasureTheory.volume) case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
. exact ContDiffBump.contDiff_normed φ
case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
. refine Continuous.locallyIntegrable ?h.left.hg.hf exact unicontf.continuous
case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
exact ContDiffBump.hasCompactSupport_normed φ
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ HasCompactSupport (φ.normed MeasureTheory.volume)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ HasCompactSupport (φ.normed MeasureTheory.volume) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
exact ContDiffBump.contDiff_normed φ
case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ (φ.normed MeasureTheory.volume) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
refine Continuous.locallyIntegrable ?h.left.hg.hf
case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume
case h.left.hg.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ Continuous f
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ MeasureTheory.LocallyIntegrable f MeasureTheory.volume TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
exact unicontf.continuous
case h.left.hg.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ Continuous f
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.hg.hf f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ Continuous f TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
intro x
case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ Function.Periodic f₀ (2 * Real.pi)
case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ f₀ (x + 2 * Real.pi) = f₀ x
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ Function.Periodic f₀ (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
rw [f₀def, MeasureTheory.convolution, MeasureTheory.convolution]
case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ f₀ (x + 2 * Real.pi) = f₀ x
case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ f₀ (x + 2 * Real.pi) = f₀ x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
congr
case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
case h.right.left.e_f f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ (fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t))) = fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ∫ (t : ℝ), ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
ext t
case h.right.left.e_f f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ (fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t))) = fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
case h.right.left.e_f.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.e_f f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ (fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t))) = fun t => ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
congr 1
case h.right.left.e_f.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t))
case h.right.left.e_f.h.h.e_6.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ f (x + 2 * Real.pi - t) = f (x - t)
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.e_f.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x + 2 * Real.pi - t)) = ((ContinuousLinearMap.lsmul ℝ ℝ) (φ.normed MeasureTheory.volume t)) (f (x - t)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
convert periodicf (x - t) using 2
case h.right.left.e_f.h.h.e_6.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ f (x + 2 * Real.pi - t) = f (x - t)
case h.e'_2.h.e'_1 f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ x + 2 * Real.pi - t = x - t + 2 * Real.pi
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.e_f.h.h.e_6.h f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ f (x + 2 * Real.pi - t) = f (x - t) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
ring
case h.e'_2.h.e'_1 f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ x + 2 * Real.pi - t = x - t + 2 * Real.pi
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2.h.e'_1 f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x t : ℝ ⊢ x + 2 * Real.pi - t = x - t + 2 * Real.pi TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
intro x
case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
rw [← Complex.dist_eq, dist_comm]
case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f₀ x) ≤ ε
case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f₀ x) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
apply ContDiffBump.dist_normed_convolution_le
case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f₀ x) (f x) ≤ ε
case h.right.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f₀ x) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
. exact unicontf.continuous.aestronglyMeasurable
case h.right.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
. intro y hy simp only [Metric.mem_ball] at hy exact (hδ hy).le
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
exact unicontf.continuous.aestronglyMeasurable
case h.right.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
intro y hy
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : y ∈ Metric.ball x φ.rOut ⊢ dist (f y) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ ∀ x_1 ∈ Metric.ball x φ.rOut, dist (f x_1) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
simp only [Metric.mem_ball] at hy
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : y ∈ Metric.ball x φ.rOut ⊢ dist (f y) (f x) ≤ ε
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : dist y x < δ ⊢ dist (f y) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : y ∈ Metric.ball x φ.rOut ⊢ dist (f y) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
exact (hδ hy).le
case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : dist y x < δ ⊢ dist (f y) (f x) ≤ ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.hg f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε φ : ContDiffBump 0 := { rIn := δ / 2, rOut := δ, rIn_pos := ⋯, rIn_lt_rOut := ⋯ } f₀ : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume f₀def : f₀ = MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x y : ℝ hy : dist y x < δ ⊢ dist (f y) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
Real.summable_of_le
[96, 1]
[98, 53]
exact Summable.of_nonneg_of_le hgpos hgf summablef
β : Type f g : β → ℝ hgpos : 0 ≤ g hgf : ∀ (b : β), g b ≤ f b summablef : Summable f ⊢ Summable g
no goals
Please generate a tactic in lean4 to solve the state. STATE: β : Type f g : β → ℝ hgpos : 0 ≤ g hgf : ∀ (b : β), g b ≤ f b summablef : Summable f ⊢ Summable g TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
set f' : ℤ → ℝ := fun i ↦ if i = 0 then g i else f i with f'def
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f ⊢ Summable g
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i ⊢ Summable g
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f ⊢ Summable g TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
have : ∀ i, g i ≤ f' i := by intro i rw [f'def] by_cases h : i = 0 . simp [h] . simp only [h, ↓reduceIte] exact hgf i h
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i ⊢ Summable g
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable g
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i ⊢ Summable g TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
apply Real.summable_of_le hgpos this
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable g
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable fun b => f' b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable g TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
let s : Finset ℤ := {0}
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable fun b => f' b
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun b => f' b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i ⊢ Summable fun b => f' b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
rw [←s.summable_compl_iff]
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun b => f' b
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun x => f' ↑x
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun b => f' b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
apply (summable_congr _).mpr (s.summable_compl_iff.mpr summablef)
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun x => f' ↑x
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ ∀ (b : { x // x ∉ s }), f' ↑b = f ↑b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ Summable fun x => f' ↑x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
intro ⟨b, hb⟩
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ ∀ (b : { x // x ∉ s }), f' ↑b = f ↑b
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' ↑⟨b, hb⟩ = f ↑⟨b, hb⟩
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} ⊢ ∀ (b : { x // x ∉ s }), f' ↑b = f ↑b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
simp
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' ↑⟨b, hb⟩ = f ↑⟨b, hb⟩
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' b = f b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' ↑⟨b, hb⟩ = f ↑⟨b, hb⟩ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
rw [mem_singleton] at hb
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' b = f b
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ f' b = f b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : b ∉ s ⊢ f' b = f b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
rw [f'def]
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ f' b = f b
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ (fun i => if i = 0 then g i else f i) b = f b
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ f' b = f b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
simp [hb]
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ (fun i => if i = 0 then g i else f i) b = f b
no goals
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i this : ∀ (i : ℤ), g i ≤ f' i s : Finset ℤ := {0} b : ℤ hb : ¬b = 0 ⊢ (fun i => if i = 0 then g i else f i) b = f b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
intro i
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i ⊢ ∀ (i : ℤ), g i ≤ f' i
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ f' i
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i ⊢ ∀ (i : ℤ), g i ≤ f' i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
rw [f'def]
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ f' i
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ f' i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
by_cases h : i = 0
f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
case pos f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
Please generate a tactic in lean4 to solve the state. STATE: f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
. simp [h]
case pos f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
Please generate a tactic in lean4 to solve the state. STATE: case pos f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
. simp only [h, ↓reduceIte] exact hgf i h
case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
simp [h]
case pos f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
simp only [h, ↓reduceIte]
case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i
case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ f i
Please generate a tactic in lean4 to solve the state. STATE: case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ (fun i => if i = 0 then g i else f i) i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
summable_of_le_on_nonzero
[115, 1]
[133, 12]
exact hgf i h
case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ f i
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg f g : ℤ → ℝ hgpos : 0 ≤ g hgf : ∀ (i : ℤ), i ≠ 0 → g i ≤ f i summablef : Summable f f' : ℤ → ℝ := fun i => if i = 0 then g i else f i f'def : f' = fun i => if i = 0 then g i else f i i : ℤ h : ¬i = 0 ⊢ g i ≤ f i TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
have interval_compact := (@isCompact_Icc ℝ _ _ _ 0 (2 * Real.pi))
f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
have abs_f_continuousOn := Complex.continuous_abs.comp_continuousOn hf
f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
obtain ⟨a, _, ha⟩ := interval_compact.exists_isMaxOn (Set.nonempty_Icc.mpr Real.two_pi_pos.le) abs_f_continuousOn
f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
set C := Complex.abs (f a) with C_def
case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
use C
case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∃ C, ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
intro x hx
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
rw [C_def]
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a)
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
rw [isMaxOn_iff] at ha
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a)
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : ∀ x ∈ Set.Icc 0 (2 * Real.pi), (⇑Complex.abs ∘ f) x ≤ (⇑Complex.abs ∘ f) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a)
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : IsMaxOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
continuous_bounded
[135, 3]
[144, 18]
exact ha x hx
case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : ∀ x ∈ Set.Icc 0 (2 * Real.pi), (⇑Complex.abs ∘ f) x ≤ (⇑Complex.abs ∘ f) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ hf : ContinuousOn f (Set.Icc 0 (2 * Real.pi)) interval_compact : IsCompact (Set.Icc 0 (2 * Real.pi)) abs_f_continuousOn : ContinuousOn (⇑Complex.abs ∘ f) (Set.Icc 0 (2 * Real.pi)) a : ℝ left✝ : a ∈ Set.Icc 0 (2 * Real.pi) ha : ∀ x ∈ Set.Icc 0 (2 * Real.pi), (⇑Complex.abs ∘ f) x ≤ (⇑Complex.abs ∘ f) a C : ℝ := Complex.abs (f a) C_def : C = Complex.abs (f a) x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ Complex.abs (f a) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
obtain ⟨C, f_bounded⟩ := continuous_bounded f_continuous.continuousOn
f : ℝ → ℂ f_continuous : Continuous f ⊢ ∃ C, ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
case intro f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∃ C, ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f ⊢ ∃ C, ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
use C
case intro f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∃ C, ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case intro f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∃ C, ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
intro n
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C ⊢ ∀ (n : ℤ), Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [fourierCoeffOn_eq_integral]
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs ((1 / (2 * Real.pi - 0)) • ∫ (x : ℝ) in 0 ..2 * Real.pi, (fourier (-n)) ↑x • f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (fourierCoeffOn Real.two_pi_pos f n) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
simp only [sub_zero, one_div, mul_inv_rev, fourier_apply, neg_smul, fourier_neg', fourier_coe_apply', Complex.ofReal_mul, Complex.ofReal_ofNat, smul_eq_mul, Complex.real_smul, Complex.ofReal_inv, map_mul, map_inv₀, Complex.abs_ofReal, Complex.abs_ofNat]
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs ((1 / (2 * Real.pi - 0)) • ∫ (x : ℝ) in 0 ..2 * Real.pi, (fourier (-n)) ↑x • f x) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ |Real.pi|⁻¹ * 2⁻¹ * Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs ((1 / (2 * Real.pi - 0)) • ∫ (x : ℝ) in 0 ..2 * Real.pi, (fourier (-n)) ↑x • f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
field_simp
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ |Real.pi|⁻¹ * 2⁻¹ * Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) / (|Real.pi| * 2) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ |Real.pi|⁻¹ * 2⁻¹ * Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [abs_of_nonneg Real.pi_pos.le, mul_comm Real.pi, div_le_iff Real.two_pi_pos, ←Complex.norm_eq_abs]
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) / (|Real.pi| * 2) ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x‖ ≤ C * (2 * Real.pi)
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ Complex.abs (∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) / (|Real.pi| * 2) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
calc ‖∫ (x : ℝ) in (0 : ℝ)..(2 * Real.pi), (starRingEnd ℂ) (Complex.exp (2 * Real.pi * Complex.I * n * x / (2 * Real.pi))) * f x‖ _ = ‖∫ (x : ℝ) in (0 : ℝ)..(2 * Real.pi), (starRingEnd ℂ) (Complex.exp (Complex.I * n * x)) * f x‖ := by congr ext x congr ring_nf rw [mul_comm, ←mul_assoc, ←mul_assoc, ←mul_assoc, inv_mul_cancel] . ring . simp exact Real.pi_pos.ne.symm _ ≤ ∫ (x : ℝ) in (0 : ℝ)..(2 * Real.pi), ‖(starRingEnd ℂ) (Complex.exp (Complex.I * n * x)) * f x‖ := by apply intervalIntegral.norm_integral_le_integral_norm Real.two_pi_pos.le _ = ∫ (x : ℝ) in (0 : ℝ)..(2 * Real.pi), ‖(Complex.exp (Complex.I * n * x)) * f x‖ := by simp _ = ∫ (x : ℝ) in (0 : ℝ)..(2 * Real.pi), ‖f x‖ := by congr ext x simp only [norm_mul, Complex.norm_eq_abs] rw [mul_assoc, mul_comm Complex.I] norm_cast rw [Complex.abs_exp_ofReal_mul_I] ring _ ≤ ∫ (_ : ℝ) in (0 : ℝ)..(2 * Real.pi), C := by apply intervalIntegral.integral_mono_on . exact Real.two_pi_pos.le . rw [IntervalIntegrable.intervalIntegrable_norm_iff] . apply f_continuous.intervalIntegrable . apply f_continuous.aestronglyMeasurable . apply intervalIntegrable_const . intro x hx rw [Complex.norm_eq_abs] exact f_bounded x hx _ = C * (2 * Real.pi) := by rw [intervalIntegral.integral_const] simp ring
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x‖ ≤ C * (2 * Real.pi)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x‖ ≤ C * (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
congr
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x‖ = ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖
case e_a.e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) = fun x => (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x‖ = ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ext x
case e_a.e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) = fun x => (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x
case e_a.e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x = (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x) = fun x => (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
congr
case e_a.e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x = (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi) = Complex.I * ↑n * ↑x
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ (starRingEnd ℂ) (2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi)).exp * f x = (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ring_nf
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi) = Complex.I * ↑n * ↑x
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi * Complex.I * ↑n * ↑x * (↑Real.pi)⁻¹ = Complex.I * ↑n * ↑x
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 2 * ↑Real.pi * Complex.I * ↑n * ↑x / (2 * ↑Real.pi) = Complex.I * ↑n * ↑x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [mul_comm, ←mul_assoc, ←mul_assoc, ←mul_assoc, inv_mul_cancel]
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi * Complex.I * ↑n * ↑x * (↑Real.pi)⁻¹ = Complex.I * ↑n * ↑x
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.I * ↑n * ↑x = Complex.I * ↑n * ↑x case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi * Complex.I * ↑n * ↑x * (↑Real.pi)⁻¹ = Complex.I * ↑n * ↑x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. ring
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.I * ↑n * ↑x = Complex.I * ↑n * ↑x case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.I * ↑n * ↑x = Complex.I * ↑n * ↑x case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. simp exact Real.pi_pos.ne.symm
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ring
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.I * ↑n * ↑x = Complex.I * ↑n * ↑x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.I * ↑n * ↑x = Complex.I * ↑n * ↑x TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
simp
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ¬Real.pi = 0
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ↑Real.pi ≠ 0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
exact Real.pi_pos.ne.symm
case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ¬Real.pi = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case e_a.e_f.h.e_a.h.e_6.h.e_z f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ¬Real.pi = 0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
apply intervalIntegral.norm_integral_le_integral_norm Real.two_pi_pos.le
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ ≤ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖
no goals
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ‖∫ (x : ℝ) in 0 ..2 * Real.pi, (starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ ≤ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
simp
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ = ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(Complex.I * ↑n * ↑x).exp * f x‖
no goals
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(starRingEnd ℂ) (Complex.I * ↑n * ↑x).exp * f x‖ = ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(Complex.I * ↑n * ↑x).exp * f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
congr
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(Complex.I * ↑n * ↑x).exp * f x‖ = ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖f x‖
case e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => ‖(Complex.I * ↑n * ↑x).exp * f x‖) = fun x => ‖f x‖
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖(Complex.I * ↑n * ↑x).exp * f x‖ = ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ext x
case e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => ‖(Complex.I * ↑n * ↑x).exp * f x‖) = fun x => ‖f x‖
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ‖(Complex.I * ↑n * ↑x).exp * f x‖ = ‖f x‖
Please generate a tactic in lean4 to solve the state. STATE: case e_f f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (fun x => ‖(Complex.I * ↑n * ↑x).exp * f x‖) = fun x => ‖f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
simp only [norm_mul, Complex.norm_eq_abs]
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ‖(Complex.I * ↑n * ↑x).exp * f x‖ = ‖f x‖
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (Complex.I * ↑n * ↑x).exp * Complex.abs (f x) = Complex.abs (f x)
Please generate a tactic in lean4 to solve the state. STATE: case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ ‖(Complex.I * ↑n * ↑x).exp * f x‖ = ‖f x‖ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [mul_assoc, mul_comm Complex.I]
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (Complex.I * ↑n * ↑x).exp * Complex.abs (f x) = Complex.abs (f x)
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑n * ↑x * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x)
Please generate a tactic in lean4 to solve the state. STATE: case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (Complex.I * ↑n * ↑x).exp * Complex.abs (f x) = Complex.abs (f x) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
norm_cast
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑n * ↑x * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x)
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑(↑n * x) * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x)
Please generate a tactic in lean4 to solve the state. STATE: case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑n * ↑x * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [Complex.abs_exp_ofReal_mul_I]
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑(↑n * x) * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x)
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.abs (f x) = Complex.abs (f x)
Please generate a tactic in lean4 to solve the state. STATE: case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ Complex.abs (↑(↑n * x) * Complex.I).exp * Complex.abs (f x) = Complex.abs (f x) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ring
case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.abs (f x) = Complex.abs (f x)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case e_f.h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ ⊢ 1 * Complex.abs (f x) = Complex.abs (f x) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
apply intervalIntegral.integral_mono_on
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖f x‖ ≤ ∫ (x : ℝ) in 0 ..2 * Real.pi, C
case hab f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 0 ≤ 2 * Real.pi case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, ‖f x‖ ≤ ∫ (x : ℝ) in 0 ..2 * Real.pi, C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. exact Real.two_pi_pos.le
case hab f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 0 ≤ 2 * Real.pi case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case hab f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 0 ≤ 2 * Real.pi case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. rw [IntervalIntegrable.intervalIntegrable_norm_iff] . apply f_continuous.intervalIntegrable . apply f_continuous.aestronglyMeasurable
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. apply intervalIntegrable_const
case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. intro x hx rw [Complex.norm_eq_abs] exact f_bounded x hx
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
exact Real.two_pi_pos.le
case hab f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 0 ≤ 2 * Real.pi
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hab f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 0 ≤ 2 * Real.pi TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [IntervalIntegrable.intervalIntegrable_norm_iff]
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi)
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => f u) MeasureTheory.volume 0 (2 * Real.pi) case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi)))
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => ‖f u‖) MeasureTheory.volume 0 (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. apply f_continuous.intervalIntegrable
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => f u) MeasureTheory.volume 0 (2 * Real.pi) case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi)))
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi)))
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => f u) MeasureTheory.volume 0 (2 * Real.pi) case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi))) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
. apply f_continuous.aestronglyMeasurable
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi)))
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi))) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
apply f_continuous.intervalIntegrable
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => f u) MeasureTheory.volume 0 (2 * Real.pi)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => f u) MeasureTheory.volume 0 (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
apply f_continuous.aestronglyMeasurable
case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi)))
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ MeasureTheory.AEStronglyMeasurable (fun u => f u) (MeasureTheory.volume.restrict (Ι 0 (2 * Real.pi))) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
apply intervalIntegrable_const
case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hg f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ IntervalIntegrable (fun u => C) MeasureTheory.volume 0 (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
intro x hx
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ ‖f x‖ ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∀ x ∈ Set.Icc 0 (2 * Real.pi), ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [Complex.norm_eq_abs]
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ ‖f x‖ ≤ C
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ ‖f x‖ ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
exact f_bounded x hx
case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ x : ℝ hx : x ∈ Set.Icc 0 (2 * Real.pi) ⊢ Complex.abs (f x) ≤ C TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
rw [intervalIntegral.integral_const]
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, C = C * (2 * Real.pi)
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (2 * Real.pi - 0) • C = C * (2 * Real.pi)
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ ∫ (x : ℝ) in 0 ..2 * Real.pi, C = C * (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
simp
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (2 * Real.pi - 0) • C = C * (2 * Real.pi)
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 2 * Real.pi * C = C * (2 * Real.pi)
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ (2 * Real.pi - 0) • C = C * (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
fourierCoeffOn_bound
[147, 1]
[193, 11]
ring
f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 2 * Real.pi * C = C * (2 * Real.pi)
no goals
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ f_continuous : Continuous f C : ℝ f_bounded : ∀ x ∈ Set.Icc 0 (2 * Real.pi), Complex.abs (f x) ≤ C n : ℤ ⊢ 2 * Real.pi * C = C * (2 * Real.pi) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
periodic_deriv
[196, 1]
[211, 28]
intro x
𝕜 : Type inst✝² : NontriviallyNormedField 𝕜 F : Type inst✝¹ : NormedAddCommGroup F inst✝ : NormedSpace 𝕜 F f : 𝕜 → F T : 𝕜 diff_f : ContDiff 𝕜 1 f periodic_f : Function.Periodic f T ⊢ Function.Periodic (deriv f) T
𝕜 : Type inst✝² : NontriviallyNormedField 𝕜 F : Type inst✝¹ : NormedAddCommGroup F inst✝ : NormedSpace 𝕜 F f : 𝕜 → F T : 𝕜 diff_f : ContDiff 𝕜 1 f periodic_f : Function.Periodic f T x : 𝕜 ⊢ deriv f (x + T) = deriv f x
Please generate a tactic in lean4 to solve the state. STATE: 𝕜 : Type inst✝² : NontriviallyNormedField 𝕜 F : Type inst✝¹ : NormedAddCommGroup F inst✝ : NormedSpace 𝕜 F f : 𝕜 → F T : 𝕜 diff_f : ContDiff 𝕜 1 f periodic_f : Function.Periodic f T ⊢ Function.Periodic (deriv f) T TACTIC: