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https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
calc volume.real (ball x (4 * r)) = volume.real (ball x (2 * (2 * r))) := by ring_nf _ ≤ A * volume.real (ball x (2 * r)) := by apply volume_ball_two_le_same _ ≤ A * (A * volume.real (ball x r)) := by gcongr; apply volume_ball_two_le_same _ = A ^ 2 * volume.real (ball x r) := by ring_nf
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (4 * r)) ≤ A ^ 2 * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (4 * r)) ≤ A ^ 2 * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
ring_nf
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (4 * r)) = volume.real (ball x (2 * (2 * r)))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (4 * r)) = volume.real (ball x (2 * (2 * r))) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
apply volume_ball_two_le_same
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (2 * (2 * r))) ≤ A * volume.real (ball x (2 * r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (2 * (2 * r))) ≤ A * volume.real (ball x (2 * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
gcongr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ A * volume.real (ball x (2 * r)) ≤ A * (A * volume.real (ball x r))
case h X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (2 * r)) ≤ A * volume.real (ball x r)
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ A * volume.real (ball x (2 * r)) ≤ A * (A * volume.real (ball x r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
apply volume_ball_two_le_same
case h X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (2 * r)) ≤ A * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ volume.real (ball x (2 * r)) ≤ A * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_four_le_same
[36, 1]
[42, 53]
ring_nf
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ A * (A * volume.real (ball x r)) = A ^ 2 * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r : ℝ ⊢ A * (A * volume.real (ball x r)) = A ^ 2 * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
have hn (n : ℕ) : volume.real (ball x (2^n * r)) ≤ A^n * volume.real (ball x r) := by induction n case zero => simp case succ m hm => calc volume.real (ball x (2 ^ (Nat.succ m) * r)) = volume.real (ball x (2 ^ (m+1) * r)) := by rfl _ = volume.real (ball x ((2 ^ m*2^1) * r)) := by norm_cast _ = volume.real (ball x (2 * 2 ^ m * r)) := by ring_nf _ ≤ A * volume.real (ball x (2 ^ m * r)) := by rw[mul_assoc]; norm_cast; apply volume_ball_two_le_same _ ≤ A * (↑(A ^ m) * volume.real (ball x r)) := by gcongr _ = A^(Nat.succ m) * volume.real (ball x r) := by rw[<- mul_assoc, pow_succ']
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
have haux : s * r ≤ 2 ^ ⌈Real.log s / Real.log 2⌉₊ * r := by sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
have h1 : ball x r' ⊆ ball x (2 ^ ⌈Real.log s / Real.log 2⌉₊ * r) := by calc ball x r' ⊆ ball x (s * r) := by apply ball_subset_ball hs _ ⊆ ball x (2 ^ ⌈Real.log s / Real.log 2⌉₊ * r) := by apply ball_subset_ball haux
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
calc volume.real (ball x r') ≤ volume.real (ball x (2 ^ ⌈Real.log s / Real.log 2⌉₊ * r)) := by gcongr; finiteness _ ≤ A^(⌈Real.log s / Real.log 2⌉₊) * volume.real (ball x r) := by apply hn
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x r') ≤ As A s * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
induction n
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r n : ℕ ⊢ volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r)
case zero X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x (2 ^ 0 * r)) ≤ A ^ 0 * volume.real (ball x r) case succ X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r n✝ : ℕ a✝ : volume.real (ball x (2 ^ n✝ * r)) ≤ A ^ n✝ * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (n✝ + 1) * r)) ≤ A ^ (n✝ + 1) * volume.real (ball x r)
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r n : ℕ ⊢ volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
case zero => simp
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x (2 ^ 0 * r)) ≤ A ^ 0 * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x (2 ^ 0 * r)) ≤ A ^ 0 * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
case succ m hm => calc volume.real (ball x (2 ^ (Nat.succ m) * r)) = volume.real (ball x (2 ^ (m+1) * r)) := by rfl _ = volume.real (ball x ((2 ^ m*2^1) * r)) := by norm_cast _ = volume.real (ball x (2 * 2 ^ m * r)) := by ring_nf _ ≤ A * volume.real (ball x (2 ^ m * r)) := by rw[mul_assoc]; norm_cast; apply volume_ball_two_le_same _ ≤ A * (↑(A ^ m) * volume.real (ball x r)) := by gcongr _ = A^(Nat.succ m) * volume.real (ball x r) := by rw[<- mul_assoc, pow_succ']
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) ≤ A ^ (m + 1) * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) ≤ A ^ (m + 1) * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
simp
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x (2 ^ 0 * r)) ≤ A ^ 0 * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r ⊢ volume.real (ball x (2 ^ 0 * r)) ≤ A ^ 0 * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
calc volume.real (ball x (2 ^ (Nat.succ m) * r)) = volume.real (ball x (2 ^ (m+1) * r)) := by rfl _ = volume.real (ball x ((2 ^ m*2^1) * r)) := by norm_cast _ = volume.real (ball x (2 * 2 ^ m * r)) := by ring_nf _ ≤ A * volume.real (ball x (2 ^ m * r)) := by rw[mul_assoc]; norm_cast; apply volume_ball_two_le_same _ ≤ A * (↑(A ^ m) * volume.real (ball x r)) := by gcongr _ = A^(Nat.succ m) * volume.real (ball x r) := by rw[<- mul_assoc, pow_succ']
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) ≤ A ^ (m + 1) * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) ≤ A ^ (m + 1) * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
rfl
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ m.succ * r)) = volume.real (ball x (2 ^ (m + 1) * r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ m.succ * r)) = volume.real (ball x (2 ^ (m + 1) * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
norm_cast
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) = volume.real (ball x (2 ^ m * 2 ^ 1 * r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ (m + 1) * r)) = volume.real (ball x (2 ^ m * 2 ^ 1 * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
ring_nf
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ m * 2 ^ 1 * r)) = volume.real (ball x (2 * 2 ^ m * r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 ^ m * 2 ^ 1 * r)) = volume.real (ball x (2 * 2 ^ m * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
rw[mul_assoc]
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * 2 ^ m * r)) ≤ A * volume.real (ball x (2 ^ m * r))
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (2 ^ m * r))) ≤ A * volume.real (ball x (2 ^ m * r))
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * 2 ^ m * r)) ≤ A * volume.real (ball x (2 ^ m * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
norm_cast
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (2 ^ m * r))) ≤ A * volume.real (ball x (2 ^ m * r))
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (↑(2 ^ m) * r))) ≤ A * volume.real (ball x (↑(2 ^ m) * r))
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (2 ^ m * r))) ≤ A * volume.real (ball x (2 ^ m * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
apply volume_ball_two_le_same
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (↑(2 ^ m) * r))) ≤ A * volume.real (ball x (↑(2 ^ m) * r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ volume.real (ball x (2 * (↑(2 ^ m) * r))) ≤ A * volume.real (ball x (↑(2 ^ m) * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
gcongr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ A * volume.real (ball x (2 ^ m * r)) ≤ A * (A ^ m * volume.real (ball x r))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ A * volume.real (ball x (2 ^ m * r)) ≤ A * (A ^ m * volume.real (ball x r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
rw[<- mul_assoc, pow_succ']
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ A * (A ^ m * volume.real (ball x r)) = A ^ m.succ * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r m : ℕ hm : volume.real (ball x (2 ^ m * r)) ≤ A ^ m * volume.real (ball x r) ⊢ A * (A ^ m * volume.real (ball x r)) = A ^ m.succ * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) ⊢ s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) ⊢ s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
calc ball x r' ⊆ ball x (s * r) := by apply ball_subset_ball hs _ ⊆ ball x (2 ^ ⌈Real.log s / Real.log 2⌉₊ * r) := by apply ball_subset_ball haux
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
apply ball_subset_ball hs
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x r' ⊆ ball x (s * r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x r' ⊆ ball x (s * r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
apply ball_subset_ball haux
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x (s * r) ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r ⊢ ball x (s * r) ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
gcongr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x r') ≤ volume.real (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r))
case h₂ X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ autoParam (volume (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) ≠ ⊤) _auto✝
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x r') ≤ volume.real (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
finiteness
case h₂ X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ autoParam (volume (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) ≠ ⊤) _auto✝
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h₂ X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ autoParam (volume (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) ≠ ⊤) _auto✝ TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_same
[53, 1]
[79, 83]
apply hn
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) ≤ A ^ ⌈s.log / Real.log 2⌉₊ * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r s r' : ℝ hsp : s > 0 hs : r' ≤ s * r hn : ∀ (n : ℕ), volume.real (ball x (2 ^ n * r)) ≤ A ^ n * volume.real (ball x r) haux : s * r ≤ 2 ^ ⌈s.log / Real.log 2⌉₊ * r h1 : ball x r' ⊆ ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r) ⊢ volume.real (ball x (2 ^ ⌈s.log / Real.log 2⌉₊ * r)) ≤ A ^ ⌈s.log / Real.log 2⌉₊ * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
intro y h
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r ⊢ ball x' r' ⊆ ball x r
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ y ∈ ball x r
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r ⊢ ball x' r' ⊆ ball x r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
have h1 : dist x y < r := by calc dist x y ≤ dist x x' + dist x' y := by apply dist_triangle _ < dist x x' + r' := by gcongr; apply mem_ball'.mp h _ ≤ r := by apply hr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ y ∈ ball x r
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' h1 : dist x y < r ⊢ y ∈ ball x r
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ y ∈ ball x r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
exact mem_ball'.mpr h1
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' h1 : dist x y < r ⊢ y ∈ ball x r
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' h1 : dist x y < r ⊢ y ∈ ball x r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
calc dist x y ≤ dist x x' + dist x' y := by apply dist_triangle _ < dist x x' + r' := by gcongr; apply mem_ball'.mp h _ ≤ r := by apply hr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x y < r
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x y < r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
apply dist_triangle
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x y ≤ dist x x' + dist x' y
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x y ≤ dist x x' + dist x' y TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
gcongr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x x' + dist x' y < dist x x' + r'
case bc X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x' y < r'
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x x' + dist x' y < dist x x' + r' TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
apply mem_ball'.mp h
case bc X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x' y < r'
no goals
Please generate a tactic in lean4 to solve the state. STATE: case bc X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x' y < r' TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ball_subset_ball_of_le
[86, 1]
[93, 27]
apply hr
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x x' + r' ≤ r
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' : ℝ hr : dist x x' + r' ≤ r y : X h : y ∈ ball x' r' ⊢ dist x x' + r' ≤ r TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_of_dist_le
[96, 1]
[98, 77]
sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' s d : ℝ hs : r' ≤ s * r hd : dist x x' ≤ d * r ⊢ volume.real (ball x' r') ≤ Ad A s d * volume.real (ball x r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x x' : X r r' s d : ℝ hs : r' ≤ s * r hd : dist x x' ≤ d * r ⊢ volume.real (ball x' r') ≤ Ad A s d * volume.real (ball x r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
volume_ball_le_of_subset
[102, 1]
[104, 80]
sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x' x : X r r' s : ℝ hs : r' ≤ s * r hr : ball x' r ⊆ ball x r' ⊢ volume.real (ball x (2 * r)) ≤ Ai A s * volume.real (ball x' r)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x' x : X r r' s : ℝ hs : r' ≤ s * r hr : ball x' r ⊆ ball x r' ⊢ volume.real (ball x (2 * r)) ≤ Ai A s * volume.real (ball x' r) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
card_le_of_le_dist
[116, 1]
[117, 99]
sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r r' s : ℝ P : Set X hs : r' ≤ s * r hP : P ⊆ ball x r' h2P : ∀ (x y : X), x ∈ P → y ∈ P → x ≠ y → r ≤ dist x y ⊢ P.Finite ∧ Nat.card ↑P ≤ Np A s
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A x : X r r' s : ℝ P : Set X hs : r' ≤ s * r hP : P ⊆ ball x r' h2P : ∀ (x y : X), x ∈ P → y ∈ P → x ≠ y → r ≤ dist x y ⊢ P.Finite ∧ Nat.card ↑P ≤ Np A s TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/HomogeneousType.lean
ballsCoverBalls
[122, 1]
[123, 8]
sorry
X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A r r' s : ℝ hs : r' ≤ s * r ⊢ BallsCoverBalls X r' r (Np A s)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ hA : 1 ≤ A inst✝¹ : PseudoMetricSpace X inst✝ : IsSpaceOfHomogeneousType X A r r' s : ℝ hs : r' ≤ s * r ⊢ BallsCoverBalls X r' r (Np A s) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Proposition1.lean
prop2_1
[34, 1]
[47, 75]
sorry
X : Type u_1 A : ℝ inst✝⁶ : MetricSpace X inst✝⁵ : IsSpaceOfHomogeneousType X A inst✝⁴ : Inhabited X τ q q' D κ C₀ C : ℝ Θ : Set C(X, ℂ) inst✝³ : IsCompatible Θ inst✝² : IsCancellative τ Θ inst✝¹ : TileStructure Θ D κ C₀ F G : Set X σ σ' : X → ℤ Q' : X → C(X, ℂ) K : X → X → ℂ inst✝ : IsCZKernel τ K ψ : ℝ → ℝ hA : 1 < A hτ : τ ∈ Ioo 0 1 hq : q ∈ Ioc 1 2 hqq' : q.IsConjExponent q' hC₀ : 0 < C₀ hC : C2_1 A τ q C₀ < C hD : D2_1 A τ q C₀ < D hκ : κ ∈ Ioo 0 (κ2_1 A τ q C₀) hF : MeasurableSet F hG : MeasurableSet G h2F : volume F ∈ Ioo 0 ⊤ h2G : volume G ∈ Ioo 0 ⊤ Q'_mem : ∀ (x : X), Q' x ∈ Θ m_Q' : Measurable Q' m_σ : Measurable σ m_σ' : Measurable σ' hT : NormBoundedBy (ANCZOperatorLp 2 K) 1 hψ : LipschitzWith (Cψ2_1 A τ q C₀) ψ h2ψ : support ψ ⊆ Icc (4 * D)⁻¹ 2⁻¹ h3ψ : ∀ x > 0, ∑ᶠ (s : ℤ), ψ (D ^ s * x) = 1 ⊢ ∃ G', volume G' ≤ volume G / 4 ∧ ↑‖∫ (x : X) in G \ G', ∑' (p : 𝔓 X), T K Q' σ σ' ψ p F 1 x‖₊ ≤ C * volume.real G ^ (1 / q') * volume.real F ^ (1 / q)
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type u_1 A : ℝ inst✝⁶ : MetricSpace X inst✝⁵ : IsSpaceOfHomogeneousType X A inst✝⁴ : Inhabited X τ q q' D κ C₀ C : ℝ Θ : Set C(X, ℂ) inst✝³ : IsCompatible Θ inst✝² : IsCancellative τ Θ inst✝¹ : TileStructure Θ D κ C₀ F G : Set X σ σ' : X → ℤ Q' : X → C(X, ℂ) K : X → X → ℂ inst✝ : IsCZKernel τ K ψ : ℝ → ℝ hA : 1 < A hτ : τ ∈ Ioo 0 1 hq : q ∈ Ioc 1 2 hqq' : q.IsConjExponent q' hC₀ : 0 < C₀ hC : C2_1 A τ q C₀ < C hD : D2_1 A τ q C₀ < D hκ : κ ∈ Ioo 0 (κ2_1 A τ q C₀) hF : MeasurableSet F hG : MeasurableSet G h2F : volume F ∈ Ioo 0 ⊤ h2G : volume G ∈ Ioo 0 ⊤ Q'_mem : ∀ (x : X), Q' x ∈ Θ m_Q' : Measurable Q' m_σ : Measurable σ m_σ' : Measurable σ' hT : NormBoundedBy (ANCZOperatorLp 2 K) 1 hψ : LipschitzWith (Cψ2_1 A τ q C₀) ψ h2ψ : support ψ ⊆ Icc (4 * D)⁻¹ 2⁻¹ h3ψ : ∀ x > 0, ∑ᶠ (s : ℤ), ψ (D ^ s * x) = 1 ⊢ ∃ G', volume G' ≤ volume G / 4 ∧ ↑‖∫ (x : X) in G \ G', ∑' (p : 𝔓 X), T K Q' σ σ' ψ p F 1 x‖₊ ≤ C * volume.real G ^ (1 / q') * volume.real F ^ (1 / q) TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
rw [Metric.uniformContinuous_iff]
α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ UniformContinuous f ↔ ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) ↔ ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ UniformContinuous f ↔ ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
constructor
α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) ↔ ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) → ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
Please generate a tactic in lean4 to solve the state. STATE: α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) ↔ ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
. intro h ε εpos obtain ⟨δ', δ'pos, hδ'⟩ := h ε εpos use min δ' (b / 2) constructor . exact (lt_min δ'pos (by linarith)).gt constructor . apply min_lt_of_right_lt linarith . intro x y hxy exact hδ' (lt_of_lt_of_le hxy (min_le_left δ' (b / 2)))
case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) → ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) → ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
. intro h ε εpos obtain ⟨δ, δpos, _, hδ⟩ := h ε εpos use δ
case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
intro h ε εpos
case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) → ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε) → ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
obtain ⟨δ', δ'pos, hδ'⟩ := h ε εpos
case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
case mp.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mp α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
use min δ' (b / 2)
case mp.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε
case h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 ∧ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mp.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
constructor
case h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 ∧ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
case h.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 ∧ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
. exact (lt_min δ'pos (by linarith)).gt
case h.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case h.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
constructor
case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
case h.right.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b ∧ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
. apply min_lt_of_right_lt linarith
case h.right.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
. intro x y hxy exact hδ' (lt_of_lt_of_le hxy (min_le_left δ' (b / 2)))
case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
exact (lt_min δ'pos (by linarith)).gt
case h.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) > 0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
linarith
α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ 0 < b / 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ 0 < b / 2 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
apply min_lt_of_right_lt
case h.right.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b
case h.right.left.h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ b / 2 < b
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ min δ' (b / 2) < b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
linarith
case h.right.left.h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ b / 2 < b
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.h α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ b / 2 < b TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
intro x y hxy
case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε
case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε x y : α hxy : dist x y < min δ' (b / 2) ⊢ dist (f x) (f y) < ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε ⊢ ∀ {x y : α}, dist x y < min δ' (b / 2) → dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
exact hδ' (lt_of_lt_of_le hxy (min_le_left δ' (b / 2)))
case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε x y : α hxy : dist x y < min δ' (b / 2) ⊢ dist (f x) (f y) < ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε ε : ℝ εpos : ε > 0 δ' : ℝ δ'pos : δ' > 0 hδ' : ∀ {a b : α}, dist a b < δ' → dist (f a) (f b) < ε x y : α hxy : dist x y < min δ' (b / 2) ⊢ dist (f x) (f y) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
intro h ε εpos
case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 ⊢ (∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε) → ∀ ε > 0, ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
obtain ⟨δ, δpos, _, hδ⟩ := h ε εpos
case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
case mpr.intro.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 left✝ : δ < b hδ : ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
Please generate a tactic in lean4 to solve the state. STATE: case mpr α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
uniformContinuous_iff_bounded
[23, 1]
[39, 10]
use δ
case mpr.intro.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 left✝ : δ < b hδ : ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mpr.intro.intro.intro α β : Type inst✝¹ : PseudoMetricSpace α inst✝ : PseudoMetricSpace β f : α → β b : ℝ bpos : b > 0 h : ∀ ε > 0, ∃ δ > 0, δ < b ∧ ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 left✝ : δ < b hδ : ∀ {x y : α}, dist x y < δ → dist (f x) (f y) < ε ⊢ ∃ δ > 0, ∀ {a b : α}, dist a b < δ → dist (f a) (f b) < ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
obtain ⟨δ, δpos, hδ⟩ := (Metric.uniformContinuous_iff.mp unicontf) ε εpos
f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
let φ : ContDiffBump (0 : ℝ) := ⟨δ/2, δ, by linarith, by linarith⟩
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
let f_0 := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
use f_0
case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case h f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 ∧ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
constructor
case h f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 ∧ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
case h.left f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 ∧ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
. apply HasCompactSupport.contDiff_convolution_left . exact ContDiffBump.hasCompactSupport_normed φ . exact ContDiffBump.contDiff_normed φ . refine Continuous.locallyIntegrable ?h.left.hg.hf exact unicontf.continuous
case h.left f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.left f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
. intro x rw [← Complex.dist_eq, dist_comm] apply ContDiffBump.dist_normed_convolution_le . exact unicontf.continuous.aestronglyMeasurable . intro y hy simp only [Metric.mem_ball] at hy exact (hδ hy).le
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
linarith
f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ 0 < δ / 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: f : ℝ → ℂ unicontf : UniformContinuous f ε : ℝ εpos : ε > 0 δ : ℝ δpos : δ > 0 hδ : ∀ {a b : ℝ}, dist a b < δ → dist (f a) (f b) < ε ⊢ 0 < δ / 2 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
linarith
f : ℝ → ℂ unicontf : UniformContinuous f 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 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
closeSmoothApprox
[43, 1]
[62, 23]
apply HasCompactSupport.contDiff_convolution_left
case h.left f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ContDiff ℝ ⊤ f_0 TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
. exact ContDiffBump.hasCompactSupport_normed φ
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
. exact ContDiffBump.contDiff_normed φ
case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
. refine Continuous.locallyIntegrable ?h.left.hg.hf exact unicontf.continuous
case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
exact ContDiffBump.hasCompactSupport_normed φ
case h.left.hcf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
exact ContDiffBump.contDiff_normed φ
case h.left.hf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
refine Continuous.locallyIntegrable ?h.left.hg.hf
case h.left.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
exact unicontf.continuous
case h.left.hg.hf f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
intro x
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f_0 x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume ⊢ ∀ (x : ℝ), Complex.abs (f x - f_0 x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
rw [← Complex.dist_eq, dist_comm]
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f_0 x) ≤ ε
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f_0 x) (f x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ Complex.abs (f x - f_0 x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
apply ContDiffBump.dist_normed_convolution_le
case h.right f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f_0 x) (f x) ≤ ε
case h.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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 f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ dist (f_0 x) (f x) ≤ ε TACTIC:
https://github.com/fpvandoorn/carleson.git
6d448ddfa1ff78506367ab09a8caac5351011ead
Carleson/Theorem1_1/Approximation.lean
closeSmoothApprox
[43, 1]
[62, 23]
. exact unicontf.continuous.aestronglyMeasurable
case h.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hmg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume x : ℝ ⊢ MeasureTheory.AEStronglyMeasurable f MeasureTheory.volume case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
. intro y hy simp only [Metric.mem_ball] at hy exact (hδ hy).le
case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
exact unicontf.continuous.aestronglyMeasurable
case h.right.hmg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hmg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
intro y hy
case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
simp only [Metric.mem_ball] at hy
case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApprox
[43, 1]
[62, 23]
exact (hδ hy).le
case h.right.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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.hg f : ℝ → ℂ unicontf : UniformContinuous f 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 := ⋯ } f_0 : ℝ → ℂ := 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
closeSmoothApproxPeriodic
[65, 1]
[93, 23]
obtain ⟨δ, δpos, hδ⟩ := (Metric.uniformContinuous_iff.mp unicontf) ε εpos
f : ℝ → ℂ unicontf : UniformContinuous f periodicf : Function.Periodic f (2 * Real.pi) ε : ℝ εpos : ε > 0 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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]
let φ : ContDiffBump (0 : ℝ) := ⟨δ/2, δ, by linarith, by linarith⟩
case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro 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, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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]
set f₀ := MeasureTheory.convolution (φ.normed MeasureTheory.volume) f (ContinuousLinearMap.lsmul ℝ ℝ) MeasureTheory.volume with f₀def
case intro.intro 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, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro 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, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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]
use f₀
case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case 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 ⊢ ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro 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 ⊢ ∃ f₀, ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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]
constructor
case 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 ⊢ ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
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.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 ⊢ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
Please generate a tactic in lean4 to solve the state. STATE: case 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 ⊢ ContDiff ℝ ⊤ f₀ ∧ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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 HasCompactSupport.contDiff_convolution_left . exact ContDiffBump.hasCompactSupport_normed φ . exact ContDiffBump.contDiff_normed φ . refine Continuous.locallyIntegrable ?h.left.hg.hf exact unicontf.continuous
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.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 ⊢ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
case h.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 ⊢ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
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 case h.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 ⊢ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (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]
constructor
case h.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 ⊢ Function.Periodic f₀ (2 * Real.pi) ∧ ∀ (x : ℝ), Complex.abs (f x - f₀ x) ≤ ε
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.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 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) ∧ ∀ (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]
. intro x rw [f₀def, MeasureTheory.convolution, MeasureTheory.convolution] congr ext t congr 1 convert periodicf (x - t) using 2 ring
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.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.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.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]
. intro x rw [← Complex.dist_eq, dist_comm] apply ContDiffBump.dist_normed_convolution_le . exact unicontf.continuous.aestronglyMeasurable . intro y hy simp only [Metric.mem_ball] at hy exact (hδ hy).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), Complex.abs (f x - f₀ x) ≤ ε
no goals
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]
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 ⊢ 0 < δ / 2
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 ⊢ 0 < δ / 2 TACTIC: