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import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp] theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂...
Mathlib/Data/Vector/MapLemmas.lean
108
117
theorem mapAccumr₂_mapAccumr₂_left_left (f₁ : γ → α → σ₁ → σ₁ × φ) (f₂ : α → β → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr₂ f₂ xs ys s₂).snd xs s₁) = let m := mapAccumr₂ (fun x y (s₁, s₂) => let r₂ := f₂ x y s₂ let r₁ := f₁ r₂.snd x s₁ ((r₁.fst, r₂.fst), r₁.snd) ...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp] theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂...
Mathlib/Data/Vector/MapLemmas.lean
120
130
theorem mapAccumr₂_mapAccumr₂_left_right (f₁ : γ → β → σ₁ → σ₁ × φ) (f₂ : α → β → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr₂ f₂ xs ys s₂).snd ys s₁) = let m := mapAccumr₂ (fun x y (s₁, s₂) => let r₂ := f₂ x y s₂ let r₁ := f₁ r₂.snd y s₁ ((r₁.fst, r₂.fst), r₁.sn...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp] theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂...
Mathlib/Data/Vector/MapLemmas.lean
133
142
theorem mapAccumr₂_mapAccumr₂_right_left (f₁ : α → γ → σ₁ → σ₁ × φ) (f₂ : α → β → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ xs (mapAccumr₂ f₂ xs ys s₂).snd s₁) = let m := mapAccumr₂ (fun x y (s₁, s₂) => let r₂ := f₂ x y s₂ let r₁ := f₁ x r₂.snd s₁ ((r₁.fst, r₂.fst), r₁.snd) ...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp] theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂...
Mathlib/Data/Vector/MapLemmas.lean
145
154
theorem mapAccumr₂_mapAccumr₂_right_right (f₁ : β → γ → σ₁ → σ₁ × φ) (f₂ : α → β → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ ys (mapAccumr₂ f₂ xs ys s₂).snd s₁) = let m := mapAccumr₂ (fun x y (s₁, s₂) => let r₂ := f₂ x y s₂ let r₁ := f₁ y r₂.snd s₁ ((r₁.fst, r₂.fst), r₁.snd) ...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Bisim variable {xs : Vector α n}
Mathlib/Data/Vector/MapLemmas.lean
173
183
theorem mapAccumr_bisim {f₁ : α → σ₁ → σ₁ × β} {f₂ : α → σ₂ → σ₂ × β} {s₁ : σ₁} {s₂ : σ₂} (R : σ₁ → σ₂ → Prop) (h₀ : R s₁ s₂) (hR : ∀ {s q} a, R s q → R (f₁ a s).1 (f₂ a q).1 ∧ (f₁ a s).2 = (f₂ a q).2) : R (mapAccumr f₁ xs s₁).fst (mapAccumr f₂ xs s₂).fst ∧ (mapAccumr f₁ xs s₁).snd = (mapAccumr f₂ xs s₂...
induction xs using Vector.revInductionOn generalizing s₁ s₂ next => exact ⟨h₀, rfl⟩ next xs x ih => rcases (hR x h₀) with ⟨hR, _⟩ simp only [mapAccumr_snoc, ih hR, true_and] congr 1
6
403.428793
2
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Bisim variable {xs : Vector α n} theorem mapAccumr_bisim {f₁ : α → σ₁ → σ₁ × β} {f₂ : α → σ₂ → σ₂ × β} {s₁ : σ₁} {s₂ : σ₂} (R : σ₁ → σ₂ → Prop) (h₀ : R s₁ s₂) (hR : ∀ {...
Mathlib/Data/Vector/MapLemmas.lean
185
190
theorem mapAccumr_bisim_tail {f₁ : α → σ₁ → σ₁ × β} {f₂ : α → σ₂ → σ₂ × β} {s₁ : σ₁} {s₂ : σ₂} (h : ∃ R : σ₁ → σ₂ → Prop, R s₁ s₂ ∧ ∀ {s q} a, R s q → R (f₁ a s).1 (f₂ a q).1 ∧ (f₁ a s).2 = (f₂ a q).2) : (mapAccumr f₁ xs s₁).snd = (mapAccumr f₂ xs s₂).snd := by
rcases h with ⟨R, h₀, hR⟩ exact (mapAccumr_bisim R h₀ hR).2
2
7.389056
1
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Bisim variable {xs : Vector α n} theorem mapAccumr_bisim {f₁ : α → σ₁ → σ₁ × β} {f₂ : α → σ₂ → σ₂ × β} {s₁ : σ₁} {s₂ : σ₂} (R : σ₁ → σ₂ → Prop) (h₀ : R s₁ s₂) (hR : ∀ {...
Mathlib/Data/Vector/MapLemmas.lean
192
203
theorem mapAccumr₂_bisim {ys : Vector β n} {f₁ : α → β → σ₁ → σ₁ × γ} {f₂ : α → β → σ₂ → σ₂ × γ} {s₁ : σ₁} {s₂ : σ₂} (R : σ₁ → σ₂ → Prop) (h₀ : R s₁ s₂) (hR : ∀ {s q} a b, R s q → R (f₁ a b s).1 (f₂ a b q).1 ∧ (f₁ a b s).2 = (f₂ a b q).2) : R (mapAccumr₂ f₁ xs ys s₁).1 (mapAccumr₂ f₂ xs ys s₂).1 ∧ ...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ next => exact ⟨h₀, rfl⟩ next xs ys x y ih => rcases (hR x y h₀) with ⟨hR, _⟩ simp only [mapAccumr₂_snoc, ih hR, true_and] congr 1
6
403.428793
2
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Bisim variable {xs : Vector α n} theorem mapAccumr_bisim {f₁ : α → σ₁ → σ₁ × β} {f₂ : α → σ₂ → σ₂ × β} {s₁ : σ₁} {s₂ : σ₂} (R : σ₁ → σ₂ → Prop) (h₀ : R s₁ s₂) (hR : ∀ {...
Mathlib/Data/Vector/MapLemmas.lean
205
211
theorem mapAccumr₂_bisim_tail {ys : Vector β n} {f₁ : α → β → σ₁ → σ₁ × γ} {f₂ : α → β → σ₂ → σ₂ × γ} {s₁ : σ₁} {s₂ : σ₂} (h : ∃ R : σ₁ → σ₂ → Prop, R s₁ s₂ ∧ ∀ {s q} a b, R s q → R (f₁ a b s).1 (f₂ a b q).1 ∧ (f₁ a b s).2 = (f₂ a b q).2) : (mapAccumr₂ f₁ xs ys s₁).2 = (mapAccumr₂ f₂ xs ys s₂).2 := by
rcases h with ⟨R, h₀, hR⟩ exact (mapAccumr₂_bisim R h₀ hR).2
2
7.389056
1
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section UnusedInput variable {xs : Vector α n} {ys : Vector β n} @[simp]
Mathlib/Data/Vector/MapLemmas.lean
342
347
theorem mapAccumr₂_unused_input_left [Inhabited α] (f : α → β → σ → σ × γ) (h : ∀ a b s, f default b s = f a b s) : mapAccumr₂ f xs ys s = mapAccumr (fun b s => f default b s) ys s := by
induction xs, ys using Vector.revInductionOn₂ generalizing s with | nil => rfl | snoc xs ys x y ih => simp [h x y s, ih]
3
20.085537
1
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section UnusedInput variable {xs : Vector α n} {ys : Vector β n} @[simp] theorem mapAccumr₂_unused_input_left [Inhabited α] (f : α → β → σ → σ × γ) (h : ∀ a b s, f default b s =...
Mathlib/Data/Vector/MapLemmas.lean
354
359
theorem mapAccumr₂_unused_input_right [Inhabited β] (f : α → β → σ → σ × γ) (h : ∀ a b s, f a default s = f a b s) : mapAccumr₂ f xs ys s = mapAccumr (fun a s => f a default s) xs s := by
induction xs, ys using Vector.revInductionOn₂ generalizing s with | nil => rfl | snoc xs ys x y ih => simp [h x y s, ih]
3
20.085537
1
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Comm variable (xs ys : Vector α n)
Mathlib/Data/Vector/MapLemmas.lean
369
371
theorem map₂_comm (f : α → α → β) (comm : ∀ a₁ a₂, f a₁ a₂ = f a₂ a₁) : map₂ f xs ys = map₂ f ys xs := by
induction xs, ys using Vector.inductionOn₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Comm variable (xs ys : Vector α n) theorem map₂_comm (f : α → α → β) (comm : ∀ a₁ a₂, f a₁ a₂ = f a₂ a₁) : map₂ f xs ys = map₂ f ys xs := by induction xs, ys using Vec...
Mathlib/Data/Vector/MapLemmas.lean
373
375
theorem mapAccumr₂_comm (f : α → α → σ → σ × γ) (comm : ∀ a₁ a₂ s, f a₁ a₂ s = f a₂ a₁ s) : mapAccumr₂ f xs ys s = mapAccumr₂ f ys xs s := by
induction xs, ys using Vector.inductionOn₂ generalizing s <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Flip variable (xs : Vector α n) (ys : Vector β n)
Mathlib/Data/Vector/MapLemmas.lean
385
387
theorem map₂_flip (f : α → β → γ) : map₂ f xs ys = map₂ (flip f) ys xs := by
induction xs, ys using Vector.inductionOn₂ <;> simp_all[flip]
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Flip variable (xs : Vector α n) (ys : Vector β n) theorem map₂_flip (f : α → β → γ) : map₂ f xs ys = map₂ (flip f) ys xs := by induction xs, ys using Vector.induction...
Mathlib/Data/Vector/MapLemmas.lean
389
391
theorem mapAccumr₂_flip (f : α → β → σ → σ × γ) : mapAccumr₂ f xs ys s = mapAccumr₂ (flip f) ys xs s := by
induction xs, ys using Vector.inductionOn₂ <;> simp_all[flip]
1
2.718282
0
0.333333
24
337
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
56
59
theorem card_Icc : (Finset.Icc s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, (t.count i + 1 - s.count i) := by
simp_rw [Icc_eq, Finset.card_map, DFinsupp.card_Icc, Nat.card_Icc, Multiset.toDFinsupp_apply, toDFinsupp_support]
2
7.389056
1
0.333333
6
338
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
62
64
theorem card_Ico : (Finset.Ico s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, (t.count i + 1 - s.count i) - 1 := by
rw [Finset.card_Ico_eq_card_Icc_sub_one, card_Icc]
1
2.718282
0
0.333333
6
338
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
67
69
theorem card_Ioc : (Finset.Ioc s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, (t.count i + 1 - s.count i) - 1 := by
rw [Finset.card_Ioc_eq_card_Icc_sub_one, card_Icc]
1
2.718282
0
0.333333
6
338
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
72
74
theorem card_Ioo : (Finset.Ioo s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, (t.count i + 1 - s.count i) - 2 := by
rw [Finset.card_Ioo_eq_card_Icc_sub_two, card_Icc]
1
2.718282
0
0.333333
6
338
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
77
80
theorem card_uIcc : (uIcc s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, ((t.count i - s.count i : ℤ).natAbs + 1) := by
simp_rw [uIcc_eq, Finset.card_map, DFinsupp.card_uIcc, Nat.card_uIcc, Multiset.toDFinsupp_apply, toDFinsupp_support]
2
7.389056
1
0.333333
6
338
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
83
84
theorem card_Iic : (Finset.Iic s).card = ∏ i ∈ s.toFinset, (s.count i + 1) := by
simp_rw [Iic_eq_Icc, card_Icc, bot_eq_zero, toFinset_zero, empty_union, count_zero, tsub_zero]
1
2.718282
0
0.333333
6
338
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X}
Mathlib/Topology/NhdsSet.lean
35
38
theorem nhdsSet_diagonal (X) [TopologicalSpace (X × X)] : 𝓝ˢ (diagonal X) = ⨆ (x : X), 𝓝 (x, x) := by
rw [nhdsSet, ← range_diag, ← range_comp] rfl
2
7.389056
1
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
41
42
theorem mem_nhdsSet_iff_forall : s ∈ 𝓝ˢ t ↔ ∀ x : X, x ∈ t → s ∈ 𝓝 x := by
simp_rw [nhdsSet, Filter.mem_sSup, forall_mem_image]
1
2.718282
0
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
52
53
theorem subset_interior_iff_mem_nhdsSet : s ⊆ interior t ↔ t ∈ 𝓝ˢ s := by
simp_rw [mem_nhdsSet_iff_forall, subset_interior_iff_nhds]
1
2.718282
0
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
56
58
theorem disjoint_principal_nhdsSet : Disjoint (𝓟 s) (𝓝ˢ t) ↔ Disjoint (closure s) t := by
rw [disjoint_principal_left, ← subset_interior_iff_mem_nhdsSet, interior_compl, subset_compl_iff_disjoint_left]
2
7.389056
1
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
60
61
theorem disjoint_nhdsSet_principal : Disjoint (𝓝ˢ s) (𝓟 t) ↔ Disjoint s (closure t) := by
rw [disjoint_comm, disjoint_principal_nhdsSet, disjoint_comm]
1
2.718282
0
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
63
64
theorem mem_nhdsSet_iff_exists : s ∈ 𝓝ˢ t ↔ ∃ U : Set X, IsOpen U ∧ t ⊆ U ∧ U ⊆ s := by
rw [← subset_interior_iff_mem_nhdsSet, subset_interior_iff]
1
2.718282
0
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
90
91
theorem IsOpen.mem_nhdsSet (hU : IsOpen s) : s ∈ 𝓝ˢ t ↔ t ⊆ s := by
rw [← subset_interior_iff_mem_nhdsSet, hU.interior_eq]
1
2.718282
0
0.333333
9
339
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
110
112
theorem nhdsSet_eq_principal_iff : 𝓝ˢ s = 𝓟 s ↔ IsOpen s := by
rw [← principal_le_nhdsSet.le_iff_eq, le_principal_iff, mem_nhdsSet_iff_forall, isOpen_iff_mem_nhds]
2
7.389056
1
0.333333
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import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
124
124
theorem nhdsSet_singleton : 𝓝ˢ {x} = 𝓝 x := by
simp [nhdsSet]
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import Mathlib.Order.Filter.Ultrafilter import Mathlib.Order.Filter.Germ #align_import order.filter.filter_product from "leanprover-community/mathlib"@"2738d2ca56cbc63be80c3bd48e9ed90ad94e947d" universe u v variable {α : Type u} {β : Type v} {φ : Ultrafilter α} open scoped Classical namespace Filter local not...
Mathlib/Order/Filter/FilterProduct.lean
65
66
theorem coe_lt [Preorder β] {f g : α → β} : (f : β*) < g ↔ ∀* x, f x < g x := by
simp only [lt_iff_le_not_le, eventually_and, coe_le, eventually_not, EventuallyLE]
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import Mathlib.Order.Filter.Ultrafilter import Mathlib.Order.Filter.Germ #align_import order.filter.filter_product from "leanprover-community/mathlib"@"2738d2ca56cbc63be80c3bd48e9ed90ad94e947d" universe u v variable {α : Type u} {β : Type v} {φ : Ultrafilter α} open scoped Classical namespace Filter local not...
Mathlib/Order/Filter/FilterProduct.lean
82
84
theorem lt_def [Preorder β] : ((· < ·) : β* → β* → Prop) = LiftRel (· < ·) := by
ext ⟨f⟩ ⟨g⟩ exact coe_lt
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import Mathlib.Order.Filter.Ultrafilter import Mathlib.Order.Filter.Germ #align_import order.filter.filter_product from "leanprover-community/mathlib"@"2738d2ca56cbc63be80c3bd48e9ed90ad94e947d" universe u v variable {α : Type u} {β : Type v} {φ : Ultrafilter α} open scoped Classical namespace Filter local not...
Mathlib/Order/Filter/FilterProduct.lean
161
162
theorem const_max [LinearOrder β] (x y : β) : (↑(max x y : β) : β*) = max ↑x ↑y := by
rw [max_def, map₂_const]
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import Mathlib.Data.Complex.Basic import Mathlib.Data.Real.Cardinality #align_import data.complex.cardinality from "leanprover-community/mathlib"@"1c4e18434eeb5546b212e830b2b39de6a83c473c" -- Porting note: the lemmas `mk_complex` and `mk_univ_complex` should be in the namespace `Cardinal` -- like their real counter...
Mathlib/Data/Complex/Cardinality.lean
25
26
theorem mk_complex : #ℂ = 𝔠 := by
rw [mk_congr Complex.equivRealProd, mk_prod, lift_id, mk_real, continuum_mul_self]
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import Mathlib.Data.Complex.Basic import Mathlib.Data.Real.Cardinality #align_import data.complex.cardinality from "leanprover-community/mathlib"@"1c4e18434eeb5546b212e830b2b39de6a83c473c" -- Porting note: the lemmas `mk_complex` and `mk_univ_complex` should be in the namespace `Cardinal` -- like their real counter...
Mathlib/Data/Complex/Cardinality.lean
31
31
theorem mk_univ_complex : #(Set.univ : Set ℂ) = 𝔠 := by
rw [mk_univ, mk_complex]
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import Mathlib.Data.Complex.Basic import Mathlib.Data.Real.Cardinality #align_import data.complex.cardinality from "leanprover-community/mathlib"@"1c4e18434eeb5546b212e830b2b39de6a83c473c" -- Porting note: the lemmas `mk_complex` and `mk_univ_complex` should be in the namespace `Cardinal` -- like their real counter...
Mathlib/Data/Complex/Cardinality.lean
35
37
theorem not_countable_complex : ¬(Set.univ : Set ℂ).Countable := by
rw [← le_aleph0_iff_set_countable, not_le, mk_univ_complex] apply cantor
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import Mathlib.Algebra.Ring.Semiconj import Mathlib.Algebra.Ring.Units import Mathlib.Algebra.Group.Commute.Defs import Mathlib.Data.Bracket #align_import algebra.ring.commute from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" universe u v w x variable {α : Type u} {β : Type v} {γ : T...
Mathlib/Algebra/Ring/Commute.lean
72
74
theorem mul_self_sub_mul_self_eq [NonUnitalNonAssocRing R] {a b : R} (h : Commute a b) : a * a - b * b = (a + b) * (a - b) := by
rw [add_mul, mul_sub, mul_sub, h.eq, sub_add_sub_cancel]
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import Mathlib.Algebra.Ring.Semiconj import Mathlib.Algebra.Ring.Units import Mathlib.Algebra.Group.Commute.Defs import Mathlib.Data.Bracket #align_import algebra.ring.commute from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" universe u v w x variable {α : Type u} {β : Type v} {γ : T...
Mathlib/Algebra/Ring/Commute.lean
77
79
theorem mul_self_sub_mul_self_eq' [NonUnitalNonAssocRing R] {a b : R} (h : Commute a b) : a * a - b * b = (a - b) * (a + b) := by
rw [mul_add, sub_mul, sub_mul, h.eq, sub_add_sub_cancel]
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import Mathlib.Algebra.Ring.Semiconj import Mathlib.Algebra.Ring.Units import Mathlib.Algebra.Group.Commute.Defs import Mathlib.Data.Bracket #align_import algebra.ring.commute from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" universe u v w x variable {α : Type u} {β : Type v} {γ : T...
Mathlib/Algebra/Ring/Commute.lean
82
85
theorem mul_self_eq_mul_self_iff [NonUnitalNonAssocRing R] [NoZeroDivisors R] {a b : R} (h : Commute a b) : a * a = b * b ↔ a = b ∨ a = -b := by
rw [← sub_eq_zero, h.mul_self_sub_mul_self_eq, mul_eq_zero, or_comm, sub_eq_zero, add_eq_zero_iff_eq_neg]
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import Mathlib.Order.Filter.Lift import Mathlib.Topology.Defs.Filter #align_import topology.basic from "leanprover-community/mathlib"@"e354e865255654389cc46e6032160238df2e0f40" noncomputable section open Set Filter universe u v w x def TopologicalSpace.ofClosed {X : Type u} (T : Set (Set X)) (empty_mem : ∅ ∈...
Mathlib/Topology/Basic.lean
115
116
theorem IsOpen.union (h₁ : IsOpen s₁) (h₂ : IsOpen s₂) : IsOpen (s₁ ∪ s₂) := by
rw [union_eq_iUnion]; exact isOpen_iUnion (Bool.forall_bool.2 ⟨h₂, h₁⟩)
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import Mathlib.Order.Filter.Lift import Mathlib.Topology.Defs.Filter #align_import topology.basic from "leanprover-community/mathlib"@"e354e865255654389cc46e6032160238df2e0f40" noncomputable section open Set Filter universe u v w x def TopologicalSpace.ofClosed {X : Type u} (T : Set (Set X)) (empty_mem : ∅ ∈...
Mathlib/Topology/Basic.lean
153
153
theorem isOpen_const {p : Prop} : IsOpen { _x : X | p } := by
by_cases p <;> simp [*]
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import Mathlib.Order.Filter.Lift import Mathlib.Topology.Defs.Filter #align_import topology.basic from "leanprover-community/mathlib"@"e354e865255654389cc46e6032160238df2e0f40" noncomputable section open Set Filter universe u v w x def TopologicalSpace.ofClosed {X : Type u} (T : Set (Set X)) (empty_mem : ∅ ∈...
Mathlib/Topology/Basic.lean
164
167
theorem TopologicalSpace.ext_iff_isClosed {t₁ t₂ : TopologicalSpace X} : t₁ = t₂ ↔ ∀ s, IsClosed[t₁] s ↔ IsClosed[t₂] s := by
rw [TopologicalSpace.ext_iff, compl_surjective.forall] simp only [@isOpen_compl_iff _ _ t₁, @isOpen_compl_iff _ _ t₂]
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import Mathlib.Order.Filter.AtTopBot #align_import order.filter.indicator_function from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" variable {α β M E : Type*} open Set Filter @[to_additive]
Mathlib/Order/Filter/IndicatorFunction.lean
63
66
theorem Monotone.mulIndicator_eventuallyEq_iUnion {ι} [Preorder ι] [One β] (s : ι → Set α) (hs : Monotone s) (f : α → β) (a : α) : (fun i => mulIndicator (s i) f a) =ᶠ[atTop] fun _ ↦ mulIndicator (⋃ i, s i) f a := by
classical exact hs.piecewise_eventually_eq_iUnion f 1 a
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import Mathlib.Order.Filter.AtTopBot #align_import order.filter.indicator_function from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" variable {α β M E : Type*} open Set Filter @[to_additive] theorem Monotone.mulIndicator_eventuallyEq_iUnion {ι} [Preorder ι] [One β] (s : ι → Set α) ...
Mathlib/Order/Filter/IndicatorFunction.lean
76
79
theorem Antitone.mulIndicator_eventuallyEq_iInter {ι} [Preorder ι] [One β] (s : ι → Set α) (hs : Antitone s) (f : α → β) (a : α) : (fun i => mulIndicator (s i) f a) =ᶠ[atTop] fun _ ↦ mulIndicator (⋂ i, s i) f a := by
classical exact hs.piecewise_eventually_eq_iInter f 1 a
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import Mathlib.Order.Filter.AtTopBot #align_import order.filter.indicator_function from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" variable {α β M E : Type*} open Set Filter @[to_additive] theorem Monotone.mulIndicator_eventuallyEq_iUnion {ι} [Preorder ι] [One β] (s : ι → Set α) ...
Mathlib/Order/Filter/IndicatorFunction.lean
89
94
theorem mulIndicator_biUnion_finset_eventuallyEq {ι} [One β] (s : ι → Set α) (f : α → β) (a : α) : (fun n : Finset ι => mulIndicator (⋃ i ∈ n, s i) f a) =ᶠ[atTop] fun _ ↦ mulIndicator (iUnion s) f a := by
rw [iUnion_eq_iUnion_finset s] apply Monotone.mulIndicator_eventuallyEq_iUnion exact fun _ _ ↦ biUnion_subset_biUnion_left
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import Mathlib.Init.Control.Combinators import Mathlib.Init.Function import Mathlib.Tactic.CasesM import Mathlib.Tactic.Attr.Core #align_import control.basic from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" universe u v w variable {α β γ : Type u} section Applicative variable {F : ...
Mathlib/Control/Basic.lean
60
64
theorem seq_map_assoc (x : F (α → β)) (f : γ → α) (y : F γ) : x <*> f <$> y = (· ∘ f) <$> x <*> y := by
simp only [← pure_seq] simp only [seq_assoc, Function.comp, seq_pure, ← comp_map] simp [pure_seq]
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import Mathlib.Init.Control.Combinators import Mathlib.Init.Function import Mathlib.Tactic.CasesM import Mathlib.Tactic.Attr.Core #align_import control.basic from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" universe u v w variable {α β γ : Type u} section Applicative variable {F : ...
Mathlib/Control/Basic.lean
68
70
theorem map_seq (f : β → γ) (x : F (α → β)) (y : F α) : f <$> (x <*> y) = (f ∘ ·) <$> x <*> y := by
simp only [← pure_seq]; simp [seq_assoc]
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import Mathlib.Init.Control.Combinators import Mathlib.Init.Function import Mathlib.Tactic.CasesM import Mathlib.Tactic.Attr.Core #align_import control.basic from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" universe u v w variable {α β γ : Type u} section Monad variable {m : Type u...
Mathlib/Control/Basic.lean
83
85
theorem map_bind (x : m α) {g : α → m β} {f : β → γ} : f <$> (x >>= g) = x >>= fun a => f <$> g a := by
rw [← bind_pure_comp, bind_assoc]; simp [bind_pure_comp]
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import Mathlib.GroupTheory.GroupAction.BigOperators import Mathlib.Logic.Equiv.Fin import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.Module.Prod import Mathlib.Algebra.Module.Submodule.Ker #align_import linear_algebra.pi from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" un...
Mathlib/LinearAlgebra/Pi.lean
60
61
theorem ker_pi (f : (i : ι) → M₂ →ₗ[R] φ i) : ker (pi f) = ⨅ i : ι, ker (f i) := by
ext c; simp [funext_iff]
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import Mathlib.GroupTheory.GroupAction.BigOperators import Mathlib.Logic.Equiv.Fin import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.Module.Prod import Mathlib.Algebra.Module.Submodule.Ker #align_import linear_algebra.pi from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" un...
Mathlib/LinearAlgebra/Pi.lean
64
66
theorem pi_eq_zero (f : (i : ι) → M₂ →ₗ[R] φ i) : pi f = 0 ↔ ∀ i, f i = 0 := by
simp only [LinearMap.ext_iff, pi_apply, funext_iff]; exact ⟨fun h a b => h b a, fun h a b => h b a⟩
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import Mathlib.GroupTheory.GroupAction.BigOperators import Mathlib.Logic.Equiv.Fin import Mathlib.Algebra.BigOperators.Pi import Mathlib.Algebra.Module.Prod import Mathlib.Algebra.Module.Submodule.Ker #align_import linear_algebra.pi from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" un...
Mathlib/LinearAlgebra/Pi.lean
69
69
theorem pi_zero : pi (fun i => 0 : (i : ι) → M₂ →ₗ[R] φ i) = 0 := by
ext; rfl
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import Mathlib.Logic.Equiv.Defs #align_import data.erased from "leanprover-community/mathlib"@"10b4e499f43088dd3bb7b5796184ad5216648ab1" universe u def Erased (α : Sort u) : Sort max 1 u := Σ's : α → Prop, ∃ a, (fun b => a = b) = s #align erased Erased namespace Erased @[inline] def mk {α} (a : α) : Erased...
Mathlib/Data/Erased.lean
56
59
theorem out_mk {α} (a : α) : (mk a).out = a := by
let h := (mk a).2; show Classical.choose h = a have := Classical.choose_spec h exact cast (congr_fun this a).symm rfl
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import Mathlib.Logic.Equiv.Defs #align_import data.erased from "leanprover-community/mathlib"@"10b4e499f43088dd3bb7b5796184ad5216648ab1" universe u def Erased (α : Sort u) : Sort max 1 u := Σ's : α → Prop, ∃ a, (fun b => a = b) = s #align erased Erased namespace Erased @[inline] def mk {α} (a : α) : Erased...
Mathlib/Data/Erased.lean
68
68
theorem out_inj {α} (a b : Erased α) (h : a.out = b.out) : a = b := by
simpa using congr_arg mk h
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import Mathlib.Logic.Equiv.Defs #align_import data.erased from "leanprover-community/mathlib"@"10b4e499f43088dd3bb7b5796184ad5216648ab1" universe u def Erased (α : Sort u) : Sort max 1 u := Σ's : α → Prop, ∃ a, (fun b => a = b) = s #align erased Erased namespace Erased @[inline] def mk {α} (a : α) : Erased...
Mathlib/Data/Erased.lean
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131
theorem map_out {α β} {f : α → β} (a : Erased α) : (a.map f).out = f a.out := by
simp [map]
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import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Topology.Algebra.InfiniteSum.Constructions import Mathlib.Topology.Algebra.Ring.Basic #align_import topology.algebra.infinite_sum.ring from "leanprover-community/mathlib"@"9a59dcb7a2d06bf55da57b9030169219980660cd" open Filter Finset Function open...
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
34
35
theorem HasSum.mul_left (a₂) (h : HasSum f a₁) : HasSum (fun i ↦ a₂ * f i) (a₂ * a₁) := by
simpa only using h.map (AddMonoidHom.mulLeft a₂) (continuous_const.mul continuous_id)
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import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Topology.Algebra.InfiniteSum.Constructions import Mathlib.Topology.Algebra.Ring.Basic #align_import topology.algebra.infinite_sum.ring from "leanprover-community/mathlib"@"9a59dcb7a2d06bf55da57b9030169219980660cd" open Filter Finset Function open...
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
38
39
theorem HasSum.mul_right (a₂) (hf : HasSum f a₁) : HasSum (fun i ↦ f i * a₂) (a₁ * a₂) := by
simpa only using hf.map (AddMonoidHom.mulRight a₂) (continuous_id.mul continuous_const)
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import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Topology.Algebra.InfiniteSum.Constructions import Mathlib.Topology.Algebra.Ring.Basic #align_import topology.algebra.infinite_sum.ring from "leanprover-community/mathlib"@"9a59dcb7a2d06bf55da57b9030169219980660cd" open Filter Finset Function open...
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
208
213
theorem summable_sum_mul_antidiagonal_of_summable_mul (h : Summable fun x : A × A ↦ f x.1 * g x.2) : Summable fun n ↦ ∑ kl ∈ antidiagonal n, f kl.1 * g kl.2 := by
rw [summable_mul_prod_iff_summable_mul_sigma_antidiagonal] at h conv => congr; ext; rw [← Finset.sum_finset_coe, ← tsum_fintype] exact h.sigma' fun n ↦ (hasSum_fintype _).summable
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import Mathlib.SetTheory.Ordinal.Basic import Mathlib.Data.Nat.SuccPred #align_import set_theory.ordinal.arithmetic from "leanprover-community/mathlib"@"31b269b60935483943542d547a6dd83a66b37dc7" assert_not_exists Field assert_not_exists Module noncomputable section open Function Cardinal Set Equiv Order open sc...
Mathlib/SetTheory/Ordinal/Arithmetic.lean
81
83
theorem lift_succ (a : Ordinal.{v}) : lift.{u} (succ a) = succ (lift.{u} a) := by
rw [← add_one_eq_succ, lift_add, lift_one] rfl
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import Mathlib.SetTheory.Ordinal.Basic import Mathlib.Data.Nat.SuccPred #align_import set_theory.ordinal.arithmetic from "leanprover-community/mathlib"@"31b269b60935483943542d547a6dd83a66b37dc7" assert_not_exists Field assert_not_exists Module noncomputable section open Function Cardinal Set Equiv Order open sc...
Mathlib/SetTheory/Ordinal/Arithmetic.lean
119
120
theorem add_left_cancel (a) {b c : Ordinal} : a + b = a + c ↔ b = c := by
simp only [le_antisymm_iff, add_le_add_iff_left]
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import Mathlib.SetTheory.Ordinal.Basic import Mathlib.Data.Nat.SuccPred #align_import set_theory.ordinal.arithmetic from "leanprover-community/mathlib"@"31b269b60935483943542d547a6dd83a66b37dc7" assert_not_exists Field assert_not_exists Module noncomputable section open Function Cardinal Set Equiv Order open sc...
Mathlib/SetTheory/Ordinal/Arithmetic.lean
145
146
theorem add_right_cancel {a b : Ordinal} (n : ℕ) : a + n = b + n ↔ a = b := by
simp only [le_antisymm_iff, add_le_add_iff_right]
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import Mathlib.Order.Filter.AtTopBot import Mathlib.Order.Filter.Pi #align_import order.filter.cofinite from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" open Set Function variable {ι α β : Type*} {l : Filter α} namespace Filter def cofinite : Filter α := comk Set.Finite finite_e...
Mathlib/Order/Filter/Cofinite.lean
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58
theorem cofinite_eq_bot_iff : @cofinite α = ⊥ ↔ Finite α := by
simp [← empty_mem_iff_bot, finite_univ_iff]
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import Mathlib.Order.Filter.AtTopBot import Mathlib.Order.Filter.Pi #align_import order.filter.cofinite from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" open Set Function variable {ι α β : Type*} {l : Filter α} namespace Filter def cofinite : Filter α := comk Set.Finite finite_e...
Mathlib/Order/Filter/Cofinite.lean
63
65
theorem frequently_cofinite_iff_infinite {p : α → Prop} : (∃ᶠ x in cofinite, p x) ↔ Set.Infinite { x | p x } := by
simp only [Filter.Frequently, eventually_cofinite, not_not, Set.Infinite]
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import Mathlib.Order.Filter.AtTopBot import Mathlib.Order.Filter.Pi #align_import order.filter.cofinite from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" open Set Function variable {ι α β : Type*} {l : Filter α} namespace Filter def cofinite : Filter α := comk Set.Finite finite_e...
Mathlib/Order/Filter/Cofinite.lean
101
104
theorem le_cofinite_iff_compl_singleton_mem : l ≤ cofinite ↔ ∀ x, {x}ᶜ ∈ l := by
refine ⟨fun h x => h (finite_singleton x).compl_mem_cofinite, fun h s (hs : sᶜ.Finite) => ?_⟩ rw [← compl_compl s, ← biUnion_of_singleton sᶜ, compl_iUnion₂, Filter.biInter_mem hs] exact fun x _ => h x
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import Mathlib.Analysis.Normed.Field.Basic import Mathlib.RingTheory.Valuation.RankOne import Mathlib.Topology.Algebra.Valuation noncomputable section open Filter Set Valuation open scoped NNReal variable {K : Type*} [hK : NormedField K] (h : IsNonarchimedean (norm : K → ℝ)) namespace Valued variable {L : Typ...
Mathlib/Topology/Algebra/NormedValued.lean
68
68
theorem norm_nonneg (x : L) : 0 ≤ norm x := by
simp only [norm, NNReal.zero_le_coe]
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import Mathlib.Analysis.Normed.Field.Basic import Mathlib.RingTheory.Valuation.RankOne import Mathlib.Topology.Algebra.Valuation noncomputable section open Filter Set Valuation open scoped NNReal variable {K : Type*} [hK : NormedField K] (h : IsNonarchimedean (norm : K → ℝ)) namespace Valued variable {L : Typ...
Mathlib/Topology/Algebra/NormedValued.lean
70
72
theorem norm_add_le (x y : L) : norm (x + y) ≤ max (norm x) (norm y) := by
simp only [norm, NNReal.coe_le_coe, le_max_iff, StrictMono.le_iff_le hv.strictMono] exact le_max_iff.mp (Valuation.map_add_le_max' val.v _ _)
2
7.389056
1
0.333333
3
351
import Mathlib.Analysis.Normed.Field.Basic import Mathlib.RingTheory.Valuation.RankOne import Mathlib.Topology.Algebra.Valuation noncomputable section open Filter Set Valuation open scoped NNReal variable {K : Type*} [hK : NormedField K] (h : IsNonarchimedean (norm : K → ℝ)) namespace Valued variable {L : Typ...
Mathlib/Topology/Algebra/NormedValued.lean
74
75
theorem norm_eq_zero {x : L} (hx : norm x = 0) : x = 0 := by
simpa [norm, NNReal.coe_eq_zero, RankOne.hom_eq_zero_iff, zero_iff] using hx
1
2.718282
0
0.333333
3
351
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
105
106
theorem circleMap_sub_center (c : ℂ) (R : ℝ) (θ : ℝ) : circleMap c R θ - c = circleMap 0 R θ := by
simp [circleMap]
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
114
114
theorem abs_circleMap_zero (R : ℝ) (θ : ℝ) : abs (circleMap 0 R θ) = |R| := by
simp [circleMap]
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
117
117
theorem circleMap_mem_sphere' (c : ℂ) (R : ℝ) (θ : ℝ) : circleMap c R θ ∈ sphere c |R| := by
simp
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
120
122
theorem circleMap_mem_sphere (c : ℂ) {R : ℝ} (hR : 0 ≤ R) (θ : ℝ) : circleMap c R θ ∈ sphere c R := by
simpa only [_root_.abs_of_nonneg hR] using circleMap_mem_sphere' c R θ
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
130
131
theorem circleMap_not_mem_ball (c : ℂ) (R : ℝ) (θ : ℝ) : circleMap c R θ ∉ ball c R := by
simp [dist_eq, le_abs_self]
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
141
148
theorem range_circleMap (c : ℂ) (R : ℝ) : range (circleMap c R) = sphere c |R| := calc range (circleMap c R) = c +ᵥ R • range fun θ : ℝ => exp (θ * I) := by
simp (config := { unfoldPartialApp := true }) only [← image_vadd, ← image_smul, ← range_comp, vadd_eq_add, circleMap, Function.comp_def, real_smul] _ = sphere c |R| := by rw [Complex.range_exp_mul_I, smul_sphere R 0 zero_le_one] simp
5
148.413159
2
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
153
154
theorem image_circleMap_Ioc (c : ℂ) (R : ℝ) : circleMap c R '' Ioc 0 (2 * π) = sphere c |R| := by
rw [← range_circleMap, ← (periodic_circleMap c R).image_Ioc Real.two_pi_pos 0, zero_add]
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
158
159
theorem circleMap_eq_center_iff {c : ℂ} {R : ℝ} {θ : ℝ} : circleMap c R θ = c ↔ R = 0 := by
simp [circleMap, exp_ne_zero]
1
2.718282
0
0.333333
9
352
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
171
174
theorem hasDerivAt_circleMap (c : ℂ) (R : ℝ) (θ : ℝ) : HasDerivAt (circleMap c R) (circleMap 0 R θ * I) θ := by
simpa only [mul_assoc, one_mul, ofRealCLM_apply, circleMap, ofReal_one, zero_add] using (((ofRealCLM.hasDerivAt (x := θ)).mul_const I).cexp.const_mul (R : ℂ)).const_add c
2
7.389056
1
0.333333
9
352
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
46
47
theorem prod_ofFn [CommMonoid β] {n : ℕ} (f : Fin n → β) : (List.ofFn f).prod = ∏ i, f i := by
simp [prod_eq_multiset_prod]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
52
54
theorem prod_univ_def [CommMonoid β] {n : ℕ} (f : Fin n → β) : ∏ i, f i = ((List.finRange n).map f).prod := by
rw [← List.ofFn_eq_map, prod_ofFn]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
69
72
theorem prod_univ_succAbove [CommMonoid β] {n : ℕ} (f : Fin (n + 1) → β) (x : Fin (n + 1)) : ∏ i, f i = f x * ∏ i : Fin n, f (x.succAbove i) := by
rw [univ_succAbove, prod_cons, Finset.prod_map _ x.succAboveEmb] rfl
2
7.389056
1
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
90
92
theorem prod_univ_castSucc [CommMonoid β] {n : ℕ} (f : Fin (n + 1) → β) : ∏ i, f i = (∏ i : Fin n, f (Fin.castSucc i)) * f (last n) := by
simpa [mul_comm] using prod_univ_succAbove f (last n)
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
97
98
theorem prod_univ_get [CommMonoid α] (l : List α) : ∏ i, l.get i = l.prod := by
simp [Finset.prod_eq_multiset_prod]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
101
103
theorem prod_univ_get' [CommMonoid β] (l : List α) (f : α → β) : ∏ i, f (l.get i) = (l.map f).prod := by
simp [Finset.prod_eq_multiset_prod]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
106
108
theorem prod_cons [CommMonoid β] {n : ℕ} (x : β) (f : Fin n → β) : (∏ i : Fin n.succ, (cons x f : Fin n.succ → β) i) = x * ∏ i : Fin n, f i := by
simp_rw [prod_univ_succ, cons_zero, cons_succ]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
113
113
theorem prod_univ_one [CommMonoid β] (f : Fin 1 → β) : ∏ i, f i = f 0 := by
simp
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
118
119
theorem prod_univ_two [CommMonoid β] (f : Fin 2 → β) : ∏ i, f i = f 0 * f 1 := by
simp [prod_univ_succ]
1
2.718282
0
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
129
131
theorem prod_univ_three [CommMonoid β] (f : Fin 3 → β) : ∏ i, f i = f 0 * f 1 * f 2 := by
rw [prod_univ_castSucc, prod_univ_two] rfl
2
7.389056
1
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
136
138
theorem prod_univ_four [CommMonoid β] (f : Fin 4 → β) : ∏ i, f i = f 0 * f 1 * f 2 * f 3 := by
rw [prod_univ_castSucc, prod_univ_three] rfl
2
7.389056
1
0.333333
12
353
import Mathlib.Algebra.BigOperators.Ring import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.Fintype.Fin import Mathlib.GroupTheory.GroupAction.Pi import Mathlib.Logic.Equiv.Fin #align_import algebra.big_operators.fin from "leanprover-community/mathlib"@"cc5dd6244981976cc9da7afc4eee5682b037a013" open Fins...
Mathlib/Algebra/BigOperators/Fin.lean
143
146
theorem prod_univ_five [CommMonoid β] (f : Fin 5 → β) : ∏ i, f i = f 0 * f 1 * f 2 * f 3 * f 4 := by
rw [prod_univ_castSucc, prod_univ_four] rfl
2
7.389056
1
0.333333
12
353
import Mathlib.AlgebraicGeometry.Spec import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.CategoryTheory.Elementwise #align_import algebraic_geometry.Scheme from "leanprover-community/mathlib"@"88474d1b5af6d37c2ab728b757771bced7f5194c" -- Explicit universe annotations were used in this file to improv...
Mathlib/AlgebraicGeometry/Scheme.lean
144
146
theorem comp_val_base_apply {X Y Z : Scheme} (f : X ⟶ Y) (g : Y ⟶ Z) (x : X) : (f ≫ g).val.base x = g.val.base (f.val.base x) := by
simp
1
2.718282
0
0.333333
3
354
import Mathlib.AlgebraicGeometry.Spec import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.CategoryTheory.Elementwise #align_import algebraic_geometry.Scheme from "leanprover-community/mathlib"@"88474d1b5af6d37c2ab728b757771bced7f5194c" -- Explicit universe annotations were used in this file to improv...
Mathlib/AlgebraicGeometry/Scheme.lean
155
157
theorem congr_app {X Y : Scheme} {f g : X ⟶ Y} (e : f = g) (U) : f.val.c.app U = g.val.c.app U ≫ X.presheaf.map (eqToHom (by subst e; rfl)) := by
subst e; dsimp; simp
1
2.718282
0
0.333333
3
354
import Mathlib.AlgebraicGeometry.Spec import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.CategoryTheory.Elementwise #align_import algebraic_geometry.Scheme from "leanprover-community/mathlib"@"88474d1b5af6d37c2ab728b757771bced7f5194c" -- Explicit universe annotations were used in this file to improv...
Mathlib/AlgebraicGeometry/Scheme.lean
160
167
theorem app_eq {X Y : Scheme} (f : X ⟶ Y) {U V : Opens Y.carrier} (e : U = V) : f.val.c.app (op U) = Y.presheaf.map (eqToHom e.symm).op ≫ f.val.c.app (op V) ≫ X.presheaf.map (eqToHom (congr_arg (Opens.map f.val.base).obj e)).op := by
rw [← IsIso.inv_comp_eq, ← Functor.map_inv, f.val.c.naturality, Presheaf.pushforwardObj_map] cases e rfl
3
20.085537
1
0.333333
3
354
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
100
103
theorem dZero_ker_eq_invariants : LinearMap.ker (dZero A) = invariants A.ρ := by
ext x simp only [LinearMap.mem_ker, mem_invariants, ← @sub_eq_zero _ _ _ x, Function.funext_iff] rfl
3
20.085537
1
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
401
403
theorem map_one_of_isOneCocycle {f : G → A} (hf : IsOneCocycle f) : f 1 = 0 := by
simpa only [mul_one, one_smul, self_eq_add_right] using hf 1 1
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
405
407
theorem map_one_fst_of_isTwoCocycle {f : G × G → A} (hf : IsTwoCocycle f) (g : G) : f (1, g) = f (1, 1) := by
simpa only [one_smul, one_mul, mul_one, add_right_inj] using (hf 1 1 g).symm
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
409
411
theorem map_one_snd_of_isTwoCocycle {f : G × G → A} (hf : IsTwoCocycle f) (g : G) : f (g, 1) = g • f (1, 1) := by
simpa only [mul_one, add_left_inj] using hf g 1 1
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
423
427
theorem smul_map_inv_sub_map_inv_of_isTwoCocycle {f : G × G → A} (hf : IsTwoCocycle f) (g : G) : g • f (g⁻¹, g) - f (g, g⁻¹) = f (1, 1) - f (g, 1) := by
have := hf g g⁻¹ g simp only [mul_right_inv, mul_left_inv, map_one_fst_of_isTwoCocycle hf g] at this exact sub_eq_sub_iff_add_eq_add.2 this.symm
3
20.085537
1
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
524
526
theorem map_one_of_isMulOneCocycle {f : G → M} (hf : IsMulOneCocycle f) : f 1 = 1 := by
simpa only [mul_one, one_smul, self_eq_mul_right] using hf 1 1
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
528
530
theorem map_one_fst_of_isMulTwoCocycle {f : G × G → M} (hf : IsMulTwoCocycle f) (g : G) : f (1, g) = f (1, 1) := by
simpa only [one_smul, one_mul, mul_one, mul_right_inj] using (hf 1 1 g).symm
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
532
534
theorem map_one_snd_of_isMulTwoCocycle {f : G × G → M} (hf : IsMulTwoCocycle f) (g : G) : f (g, 1) = g • f (1, 1) := by
simpa only [mul_one, mul_left_inj] using hf g 1 1
1
2.718282
0
0.333333
9
355
import Mathlib.Algebra.Homology.ShortComplex.ModuleCat import Mathlib.RepresentationTheory.GroupCohomology.Basic import Mathlib.RepresentationTheory.Invariants universe v u noncomputable section open CategoryTheory Limits Representation variable {k G : Type u} [CommRing k] [Group G] (A : Rep k G) namespace grou...
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
546
551
theorem smul_map_inv_div_map_inv_of_isMulTwoCocycle {f : G × G → M} (hf : IsMulTwoCocycle f) (g : G) : g • f (g⁻¹, g) / f (g, g⁻¹) = f (1, 1) / f (g, 1) := by
have := hf g g⁻¹ g simp only [mul_right_inv, mul_left_inv, map_one_fst_of_isMulTwoCocycle hf g] at this exact div_eq_div_iff_mul_eq_mul.2 this.symm
3
20.085537
1
0.333333
9
355
import Mathlib.Analysis.Convex.Side import Mathlib.Geometry.Euclidean.Angle.Oriented.Rotation import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine #align_import geometry.euclidean.angle.oriented.affine from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" noncomputable section open ...
Mathlib/Geometry/Euclidean/Angle/Oriented/Affine.lean
49
55
theorem continuousAt_oangle {x : P × P × P} (hx12 : x.1 ≠ x.2.1) (hx32 : x.2.2 ≠ x.2.1) : ContinuousAt (fun y : P × P × P => ∡ y.1 y.2.1 y.2.2) x := by
let f : P × P × P → V × V := fun y => (y.1 -ᵥ y.2.1, y.2.2 -ᵥ y.2.1) have hf1 : (f x).1 ≠ 0 := by simp [hx12] have hf2 : (f x).2 ≠ 0 := by simp [hx32] exact (o.continuousAt_oangle hf1 hf2).comp ((continuous_fst.vsub continuous_snd.fst).prod_mk (continuous_snd.snd.vsub continuous_snd.fst)).continuousAt
5
148.413159
2
0.333333
6
356
import Mathlib.Analysis.Convex.Side import Mathlib.Geometry.Euclidean.Angle.Oriented.Rotation import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine #align_import geometry.euclidean.angle.oriented.affine from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" noncomputable section open ...
Mathlib/Geometry/Euclidean/Angle/Oriented/Affine.lean
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60
theorem oangle_self_left (p₁ p₂ : P) : ∡ p₁ p₁ p₂ = 0 := by
simp [oangle]
1
2.718282
0
0.333333
6
356