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import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
217
220
theorem cons_transpose (v : n' → α) (A : Matrix (Fin m) n' α) : (of (vecCons v A))ᵀ = of fun i => vecCons (v i) (Aᵀ i) := by
ext i j refine Fin.cases ?_ ?_ j <;> simp
2
7.389056
1
0.75
12
672
import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
230
232
theorem tail_transpose (A : Matrix m' (Fin n.succ) α) : vecTail (of.symm Aᵀ) = (vecTail ∘ A)ᵀ := by
ext i j rfl
2
7.389056
1
0.75
12
672
import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
263
268
theorem cons_mul [Fintype n'] (v : n' → α) (A : Fin m → n' → α) (B : Matrix n' o' α) : of (vecCons v A) * B = of (vecCons (v ᵥ* B) (of.symm (of A * B))) := by
ext i j refine Fin.cases ?_ ?_ i · rfl simp [mul_val_succ]
4
54.59815
2
0.75
12
672
import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
323
326
theorem cons_mulVec [Fintype n'] (v : n' → α) (A : Fin m → n' → α) (w : n' → α) : (of <| vecCons v A) *ᵥ w = vecCons (dotProduct v w) (of A *ᵥ w) := by
ext i refine Fin.cases ?_ ?_ i <;> simp [mulVec]
2
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0.75
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import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
353
356
theorem cons_vecMulVec (x : α) (v : Fin m → α) (w : n' → α) : vecMulVec (vecCons x v) w = vecCons (x • w) (vecMulVec v w) := by
ext i refine Fin.cases ?_ ?_ i <;> simp [vecMulVec]
2
7.389056
1
0.75
12
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import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
376
379
theorem smul_mat_cons (x : α) (v : n' → α) (A : Fin m → n' → α) : x • vecCons v A = vecCons (x • v) (x • A) := by
ext i refine Fin.cases ?_ ?_ i <;> simp
2
7.389056
1
0.75
12
672
import Mathlib.Data.Matrix.Basic import Mathlib.Data.Matrix.RowCol import Mathlib.Data.Fin.VecNotation import Mathlib.Tactic.FinCases #align_import data.matrix.notation from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matrix universe u uₘ uₙ uₒ variable {α : Type u} {o n m...
Mathlib/Data/Matrix/Notation.lean
393
396
theorem submatrix_cons_row (A : Matrix m' n' α) (i : m') (row : Fin m → m') (col : o' → n') : submatrix A (vecCons i row) col = vecCons (fun j => A i (col j)) (submatrix A row col) := by
ext i j refine Fin.cases ?_ ?_ i <;> simp [submatrix]
2
7.389056
1
0.75
12
672
import Mathlib.Algebra.Order.Group.Nat import Mathlib.Data.Finset.Antidiagonal import Mathlib.Data.Finset.Card import Mathlib.Data.Multiset.NatAntidiagonal #align_import data.finset.nat_antidiagonal from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" open Function namespace Finset name...
Mathlib/Data/Finset/NatAntidiagonal.lean
58
58
theorem card_antidiagonal (n : ℕ) : (antidiagonal n).card = n + 1 := by
simp [antidiagonal]
1
2.718282
0
0.75
4
673
import Mathlib.Algebra.Order.Group.Nat import Mathlib.Data.Finset.Antidiagonal import Mathlib.Data.Finset.Card import Mathlib.Data.Multiset.NatAntidiagonal #align_import data.finset.nat_antidiagonal from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" open Function namespace Finset name...
Mathlib/Data/Finset/NatAntidiagonal.lean
67
75
theorem antidiagonal_succ (n : ℕ) : antidiagonal (n + 1) = cons (0, n + 1) ((antidiagonal n).map (Embedding.prodMap ⟨Nat.succ, Nat.succ_injective⟩ (Embedding.refl _))) (by simp) := by
apply eq_of_veq rw [cons_val, map_val] apply Multiset.Nat.antidiagonal_succ
3
20.085537
1
0.75
4
673
import Mathlib.Algebra.Order.Group.Nat import Mathlib.Data.Finset.Antidiagonal import Mathlib.Data.Finset.Card import Mathlib.Data.Multiset.NatAntidiagonal #align_import data.finset.nat_antidiagonal from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" open Function namespace Finset name...
Mathlib/Data/Finset/NatAntidiagonal.lean
78
86
theorem antidiagonal_succ' (n : ℕ) : antidiagonal (n + 1) = cons (n + 1, 0) ((antidiagonal n).map (Embedding.prodMap (Embedding.refl _) ⟨Nat.succ, Nat.succ_injective⟩)) (by simp) := by
apply eq_of_veq rw [cons_val, map_val] exact Multiset.Nat.antidiagonal_succ'
3
20.085537
1
0.75
4
673
import Mathlib.Algebra.Order.Group.Nat import Mathlib.Data.Finset.Antidiagonal import Mathlib.Data.Finset.Card import Mathlib.Data.Multiset.NatAntidiagonal #align_import data.finset.nat_antidiagonal from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" open Function namespace Finset name...
Mathlib/Data/Finset/NatAntidiagonal.lean
89
99
theorem antidiagonal_succ_succ' {n : ℕ} : antidiagonal (n + 2) = cons (0, n + 2) (cons (n + 2, 0) ((antidiagonal n).map (Embedding.prodMap ⟨Nat.succ, Nat.succ_injective⟩ ⟨Nat.succ, Nat.succ_injective⟩)) <| by simp) (by simp) := by
simp_rw [antidiagonal_succ (n + 1), antidiagonal_succ', Finset.map_cons, map_map] rfl
2
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import Mathlib.Algebra.CharP.Invertible import Mathlib.Analysis.NormedSpace.LinearIsometry import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.NormedSpace.Basic import Mathlib.LinearAlgebra.AffineSpace.Restrict import Mathlib.Tactic.FailIfNoProgress #align_import analysis.normed_space.affine_isomet...
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
72
74
theorem linear_eq_linearIsometry : f.linear = f.linearIsometry.toLinearMap := by
ext rfl
2
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import Mathlib.Algebra.CharP.Invertible import Mathlib.Analysis.NormedSpace.LinearIsometry import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.NormedSpace.Basic import Mathlib.LinearAlgebra.AffineSpace.Restrict import Mathlib.Tactic.FailIfNoProgress #align_import analysis.normed_space.affine_isomet...
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
82
83
theorem coe_toAffineMap : ⇑f.toAffineMap = f := by
rfl
1
2.718282
0
0.75
4
674
import Mathlib.Algebra.CharP.Invertible import Mathlib.Analysis.NormedSpace.LinearIsometry import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.NormedSpace.Basic import Mathlib.LinearAlgebra.AffineSpace.Restrict import Mathlib.Tactic.FailIfNoProgress #align_import analysis.normed_space.affine_isomet...
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
86
88
theorem toAffineMap_injective : Injective (toAffineMap : (P →ᵃⁱ[𝕜] P₂) → P →ᵃ[𝕜] P₂) := by
rintro ⟨f, _⟩ ⟨g, _⟩ rfl rfl
2
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0.75
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import Mathlib.Algebra.CharP.Invertible import Mathlib.Analysis.NormedSpace.LinearIsometry import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.NormedSpace.Basic import Mathlib.LinearAlgebra.AffineSpace.Restrict import Mathlib.Tactic.FailIfNoProgress #align_import analysis.normed_space.affine_isomet...
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
329
331
theorem linear_eq_linear_isometry : e.linear = e.linearIsometryEquiv.toLinearEquiv := by
ext rfl
2
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import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Algebra.GroupPower.IterateHom import Mathlib.Algebra.Regular.Basic #align_import algebra.regular.pow from "leanprover-community/mathlib"@"46a64b5b4268c594af770c44d9e502afc6a515cb" variable {R : Type*} {a b : R} section Monoid variable [Monoid R]
Mathlib/Algebra/Regular/Pow.lean
31
32
theorem IsLeftRegular.pow (n : ℕ) (rla : IsLeftRegular a) : IsLeftRegular (a ^ n) := by
simp only [IsLeftRegular, ← mul_left_iterate, rla.iterate n]
1
2.718282
0
0.75
4
675
import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Algebra.GroupPower.IterateHom import Mathlib.Algebra.Regular.Basic #align_import algebra.regular.pow from "leanprover-community/mathlib"@"46a64b5b4268c594af770c44d9e502afc6a515cb" variable {R : Type*} {a b : R} section Monoid variable [Monoid R] ...
Mathlib/Algebra/Regular/Pow.lean
36
38
theorem IsRightRegular.pow (n : ℕ) (rra : IsRightRegular a) : IsRightRegular (a ^ n) := by
rw [IsRightRegular, ← mul_right_iterate] exact rra.iterate n
2
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import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Algebra.GroupPower.IterateHom import Mathlib.Algebra.Regular.Basic #align_import algebra.regular.pow from "leanprover-community/mathlib"@"46a64b5b4268c594af770c44d9e502afc6a515cb" variable {R : Type*} {a b : R} section Monoid variable [Monoid R] ...
Mathlib/Algebra/Regular/Pow.lean
47
50
theorem IsLeftRegular.pow_iff {n : ℕ} (n0 : 0 < n) : IsLeftRegular (a ^ n) ↔ IsLeftRegular a := by
refine ⟨?_, IsLeftRegular.pow n⟩ rw [← Nat.succ_pred_eq_of_pos n0, pow_succ] exact IsLeftRegular.of_mul
3
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import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Algebra.GroupPower.IterateHom import Mathlib.Algebra.Regular.Basic #align_import algebra.regular.pow from "leanprover-community/mathlib"@"46a64b5b4268c594af770c44d9e502afc6a515cb" variable {R : Type*} {a b : R} section Monoid variable [Monoid R] ...
Mathlib/Algebra/Regular/Pow.lean
54
58
theorem IsRightRegular.pow_iff {n : ℕ} (n0 : 0 < n) : IsRightRegular (a ^ n) ↔ IsRightRegular a := by
refine ⟨?_, IsRightRegular.pow n⟩ rw [← Nat.succ_pred_eq_of_pos n0, pow_succ'] exact IsRightRegular.of_mul
3
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0.75
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import Mathlib.Order.Antichain import Mathlib.Order.UpperLower.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.RelIso.Set #align_import order.minimal from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function Set variable {α : Type*} (r r₁ r₂ : α → α → Prop) (s...
Mathlib/Order/Minimal.lean
96
99
theorem mem_maximals_iff : x ∈ maximals r s ↔ x ∈ s ∧ ∀ ⦃y⦄, y ∈ s → r x y → x = y := by
simp only [maximals, Set.mem_sep_iff, and_congr_right_iff] refine fun _ ↦ ⟨fun h y hys hxy ↦ antisymm hxy (h hys hxy), fun h y hys hxy ↦ ?_⟩ convert hxy <;> rw [h hys hxy]
3
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1
0.75
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import Mathlib.Order.Antichain import Mathlib.Order.UpperLower.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.RelIso.Set #align_import order.minimal from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function Set variable {α : Type*} (r r₁ r₂ : α → α → Prop) (s...
Mathlib/Order/Minimal.lean
113
115
theorem mem_minimals_iff_forall_lt_not_mem' (rlt : α → α → Prop) [IsNonstrictStrictOrder α r rlt] : x ∈ minimals r s ↔ x ∈ s ∧ ∀ ⦃y⦄, rlt y x → y ∉ s := by
simp [minimals, right_iff_left_not_left_of r rlt, not_imp_not, imp.swap (a := _ ∈ _)]
1
2.718282
0
0.75
4
676
import Mathlib.Order.Antichain import Mathlib.Order.UpperLower.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.RelIso.Set #align_import order.minimal from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function Set variable {α : Type*} (r r₁ r₂ : α → α → Prop) (s...
Mathlib/Order/Minimal.lean
117
119
theorem mem_maximals_iff_forall_lt_not_mem' (rlt : α → α → Prop) [IsNonstrictStrictOrder α r rlt] : x ∈ maximals r s ↔ x ∈ s ∧ ∀ ⦃y⦄, rlt x y → y ∉ s := by
simp [maximals, right_iff_left_not_left_of r rlt, not_imp_not, imp.swap (a := _ ∈ _)]
1
2.718282
0
0.75
4
676
import Mathlib.Order.Antichain import Mathlib.Order.UpperLower.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.RelIso.Set #align_import order.minimal from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function Set variable {α : Type*} (r r₁ r₂ : α → α → Prop) (s...
Mathlib/Order/Minimal.lean
121
128
theorem minimals_eq_minimals_of_subset_of_forall [IsTrans α r] (hts : t ⊆ s) (h : ∀ x ∈ s, ∃ y ∈ t, r y x) : minimals r s = minimals r t := by
refine Set.ext fun a ↦ ⟨fun ⟨has, hmin⟩ ↦ ⟨?_,fun b hbt ↦ hmin (hts hbt)⟩, fun ⟨hat, hmin⟩ ↦ ⟨hts hat, fun b hbs hba ↦ ?_⟩⟩ · obtain ⟨a', ha', haa'⟩ := h _ has rwa [antisymm (hmin (hts ha') haa') haa'] obtain ⟨b', hb't, hb'b⟩ := h b hbs rwa [antisymm (hmin hb't (Trans.trans hb'b hba)) (Trans.trans hb'b...
6
403.428793
2
0.75
4
676
import Mathlib.Combinatorics.SimpleGraph.Dart import Mathlib.Data.FunLike.Fintype open Function namespace SimpleGraph variable {V W X : Type*} (G : SimpleGraph V) (G' : SimpleGraph W) {u v : V} protected def map (f : V ↪ W) (G : SimpleGraph V) : SimpleGraph W where Adj := Relation.Map G.Adj f f symm a b...
Mathlib/Combinatorics/SimpleGraph/Maps.lean
76
78
theorem map_monotone (f : V ↪ W) : Monotone (SimpleGraph.map f) := by
rintro G G' h _ _ ⟨u, v, ha, rfl, rfl⟩ exact ⟨_, _, h ha, rfl, rfl⟩
2
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import Mathlib.Combinatorics.SimpleGraph.Dart import Mathlib.Data.FunLike.Fintype open Function namespace SimpleGraph variable {V W X : Type*} (G : SimpleGraph V) (G' : SimpleGraph W) {u v : V} protected def map (f : V ↪ W) (G : SimpleGraph V) : SimpleGraph W where Adj := Relation.Map G.Adj f f symm a b...
Mathlib/Combinatorics/SimpleGraph/Maps.lean
123
125
theorem comap_monotone (f : V ↪ W) : Monotone (SimpleGraph.comap f) := by
intro G G' h _ _ ha exact h ha
2
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import Mathlib.Combinatorics.SimpleGraph.Dart import Mathlib.Data.FunLike.Fintype open Function namespace SimpleGraph variable {V W X : Type*} (G : SimpleGraph V) (G' : SimpleGraph W) {u v : V} protected def map (f : V ↪ W) (G : SimpleGraph V) : SimpleGraph W where Adj := Relation.Map G.Adj f f symm a b...
Mathlib/Combinatorics/SimpleGraph/Maps.lean
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131
theorem comap_map_eq (f : V ↪ W) (G : SimpleGraph V) : (G.map f).comap f = G := by
ext simp
2
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import Mathlib.Combinatorics.SimpleGraph.Dart import Mathlib.Data.FunLike.Fintype open Function namespace SimpleGraph variable {V W X : Type*} (G : SimpleGraph V) (G' : SimpleGraph W) {u v : V} protected def map (f : V ↪ W) (G : SimpleGraph V) : SimpleGraph W where Adj := Relation.Map G.Adj f f symm a b...
Mathlib/Combinatorics/SimpleGraph/Maps.lean
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theorem map_comap_le (f : V ↪ W) (G : SimpleGraph W) : (G.comap f).map f ≤ G := by
rw [map_le_iff_le_comap]
1
2.718282
0
0.75
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677
import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Data.Set.UnionLift #align_import algebra.algebra.subalgebra.basic from "leanprover-community/mathlib"@"b915e9392ecb2a861e1e766f0e1df6ac481188ca" namespace Subalgebra open Algebra variable {R A B : Type*} [CommSemiring R] [Semiring A] [Algebra R A] [...
Mathlib/Algebra/Algebra/Subalgebra/Directed.lean
78
81
theorem iSupLift_inclusion {i : ι} (x : K i) (h : K i ≤ T) : iSupLift K dir f hf T hT (inclusion h x) = f i x := by
dsimp [iSupLift, inclusion] rw [Set.iUnionLift_inclusion]
2
7.389056
1
0.75
4
678
import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Data.Set.UnionLift #align_import algebra.algebra.subalgebra.basic from "leanprover-community/mathlib"@"b915e9392ecb2a861e1e766f0e1df6ac481188ca" namespace Subalgebra open Algebra variable {R A B : Type*} [CommSemiring R] [Semiring A] [Algebra R A] [...
Mathlib/Algebra/Algebra/Subalgebra/Directed.lean
85
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theorem iSupLift_comp_inclusion {i : ι} (h : K i ≤ T) : (iSupLift K dir f hf T hT).comp (inclusion h) = f i := by
ext; simp
1
2.718282
0
0.75
4
678
import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Data.Set.UnionLift #align_import algebra.algebra.subalgebra.basic from "leanprover-community/mathlib"@"b915e9392ecb2a861e1e766f0e1df6ac481188ca" namespace Subalgebra open Algebra variable {R A B : Type*} [CommSemiring R] [Semiring A] [Algebra R A] [...
Mathlib/Algebra/Algebra/Subalgebra/Directed.lean
90
93
theorem iSupLift_mk {i : ι} (x : K i) (hx : (x : A) ∈ T) : iSupLift K dir f hf T hT ⟨x, hx⟩ = f i x := by
dsimp [iSupLift, inclusion] rw [Set.iUnionLift_mk]
2
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import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Data.Set.UnionLift #align_import algebra.algebra.subalgebra.basic from "leanprover-community/mathlib"@"b915e9392ecb2a861e1e766f0e1df6ac481188ca" namespace Subalgebra open Algebra variable {R A B : Type*} [CommSemiring R] [Semiring A] [Algebra R A] [...
Mathlib/Algebra/Algebra/Subalgebra/Directed.lean
96
99
theorem iSupLift_of_mem {i : ι} (x : T) (hx : (x : A) ∈ K i) : iSupLift K dir f hf T hT x = f i ⟨x, hx⟩ := by
dsimp [iSupLift, inclusion] rw [Set.iUnionLift_of_mem]
2
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import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
174
179
theorem coe_bot : (⊥ : YoungDiagram).cells = (∅ : Set (ℕ × ℕ)) := by
refine Set.eq_of_subset_of_subset ?_ ?_ · intros x h simp? [mem_mk, Finset.coe_empty, Set.mem_empty_iff_false] at h says simp only [cells_bot, Finset.coe_empty, Set.mem_empty_iff_false] at h · simp only [cells_bot, Finset.coe_empty, Set.empty_subset]
5
148.413159
2
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
214
215
theorem mem_transpose {μ : YoungDiagram} {c : ℕ × ℕ} : c ∈ μ.transpose ↔ c.swap ∈ μ := by
simp [transpose]
1
2.718282
0
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
219
221
theorem transpose_transpose (μ : YoungDiagram) : μ.transpose.transpose = μ := by
ext x simp
2
7.389056
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0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
224
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theorem transpose_eq_iff_eq_transpose {μ ν : YoungDiagram} : μ.transpose = ν ↔ μ = ν.transpose := by
constructor <;> · rintro rfl simp
3
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import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
231
233
theorem transpose_eq_iff {μ ν : YoungDiagram} : μ.transpose = ν.transpose ↔ μ = ν := by
rw [transpose_eq_iff_eq_transpose] simp
2
7.389056
1
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
285
286
theorem mem_row_iff {μ : YoungDiagram} {i : ℕ} {c : ℕ × ℕ} : c ∈ μ.row i ↔ c ∈ μ ∧ c.fst = i := by
simp [row]
1
2.718282
0
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
289
289
theorem mk_mem_row_iff {μ : YoungDiagram} {i j : ℕ} : (i, j) ∈ μ.row i ↔ (i, j) ∈ μ := by
simp [row]
1
2.718282
0
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
307
310
theorem mem_iff_lt_rowLen {μ : YoungDiagram} {i j : ℕ} : (i, j) ∈ μ ↔ j < μ.rowLen i := by
rw [rowLen, Nat.lt_find_iff] push_neg exact ⟨fun h _ hmj => μ.up_left_mem (by rfl) hmj h, fun h => h _ (by rfl)⟩
3
20.085537
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0.769231
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683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
313
318
theorem row_eq_prod {μ : YoungDiagram} {i : ℕ} : μ.row i = {i} ×ˢ Finset.range (μ.rowLen i) := by
ext ⟨a, b⟩ simp only [Finset.mem_product, Finset.mem_singleton, Finset.mem_range, mem_row_iff, mem_iff_lt_rowLen, and_comm, and_congr_right_iff] rintro rfl rfl
5
148.413159
2
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
321
322
theorem rowLen_eq_card (μ : YoungDiagram) {i : ℕ} : μ.rowLen i = (μ.row i).card := by
simp [row_eq_prod]
1
2.718282
0
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
326
330
theorem rowLen_anti (μ : YoungDiagram) (i1 i2 : ℕ) (hi : i1 ≤ i2) : μ.rowLen i2 ≤ μ.rowLen i1 := by
by_contra! h_lt rw [← lt_self_iff_false (μ.rowLen i1)] rw [← mem_iff_lt_rowLen] at h_lt ⊢ exact μ.up_left_mem hi (by rfl) h_lt
4
54.59815
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0.769231
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import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
347
348
theorem mem_col_iff {μ : YoungDiagram} {j : ℕ} {c : ℕ × ℕ} : c ∈ μ.col j ↔ c ∈ μ ∧ c.snd = j := by
simp [col]
1
2.718282
0
0.769231
13
683
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
351
351
theorem mk_mem_col_iff {μ : YoungDiagram} {i j : ℕ} : (i, j) ∈ μ.col j ↔ (i, j) ∈ μ := by
simp [col]
1
2.718282
0
0.769231
13
683
import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
46
47
theorem mk_mem_sym2_iff : s(a, b) ∈ s.sym2 ↔ a ∈ s ∧ b ∈ s := by
rw [mem_mk, sym2_val, Multiset.mk_mem_sym2_iff, mem_mk, mem_mk]
1
2.718282
0
0.769231
13
684
import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
51
53
theorem mem_sym2_iff {m : Sym2 α} : m ∈ s.sym2 ↔ ∀ a ∈ m, a ∈ s := by
rw [mem_mk, sym2_val, Multiset.mem_sym2_iff] simp only [mem_val]
2
7.389056
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
62
65
theorem sym2_univ [Fintype α] (inst : Fintype (Sym2 α) := Sym2.instFintype) : (univ : Finset α).sym2 = univ := by
ext simp only [mem_sym2_iff, mem_univ, implies_true]
2
7.389056
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
69
72
theorem sym2_mono (h : s ⊆ t) : s.sym2 ⊆ t.sym2 := by
rw [← val_le_iff, sym2_val, sym2_val] apply Multiset.sym2_mono rwa [val_le_iff]
3
20.085537
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
77
80
theorem injective_sym2 : Function.Injective (Finset.sym2 : Finset α → _) := by
intro s t h ext x simpa using congr(s(x, x) ∈ $h)
3
20.085537
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
85
89
theorem sym2_toFinset [DecidableEq α] (m : Multiset α) : m.toFinset.sym2 = m.sym2.toFinset := by
ext z refine z.ind fun x y ↦ ?_ simp only [mk_mem_sym2_iff, Multiset.mem_toFinset, Multiset.mk_mem_sym2_iff]
3
20.085537
1
0.769231
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684
import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
96
97
theorem sym2_eq_empty : s.sym2 = ∅ ↔ s = ∅ := by
rw [← val_eq_zero, sym2_val, Multiset.sym2_eq_zero_iff, val_eq_zero]
1
2.718282
0
0.769231
13
684
import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
101
103
theorem sym2_nonempty : s.sym2.Nonempty ↔ s.Nonempty := by
rw [← not_iff_not] simp_rw [not_nonempty_iff_eq_empty, sym2_eq_empty]
2
7.389056
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
114
115
theorem card_sym2 (s : Finset α) : s.sym2.card = Nat.choose (s.card + 1) 2 := by
rw [card_def, sym2_val, Multiset.card_sym2, ← card_def]
1
2.718282
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0.769231
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684
import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
122
133
theorem sym2_eq_image : s.sym2 = (s ×ˢ s).image Sym2.mk := by
ext z refine z.ind fun x y ↦ ?_ rw [mk_mem_sym2_iff, mem_image] constructor · intro h use (x, y) simp only [mem_product, h, and_self, true_and] · rintro ⟨⟨a, b⟩, h⟩ simp only [mem_product, Sym2.eq_iff] at h obtain ⟨h, (⟨rfl, rfl⟩ | ⟨rfl, rfl⟩)⟩ := h <;> simp [h]
11
59,874.141715
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
139
142
theorem not_isDiag_mk_of_mem_offDiag {a : α × α} (h : a ∈ s.offDiag) : ¬ (Sym2.mk a).IsDiag := by
rw [Sym2.isDiag_iff_proj_eq] exact (mem_offDiag.1 h).2.2
2
7.389056
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
152
154
theorem diag_mem_sym2_mem_iff : (∀ b, b ∈ Sym2.diag a → b ∈ s) ↔ a ∈ s := by
rw [← mem_sym2_iff] exact mk_mem_sym2_iff.trans <| and_self_iff
2
7.389056
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0.769231
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import Mathlib.Data.Finset.Lattice import Mathlib.Data.Fintype.Vector import Mathlib.Data.Multiset.Sym #align_import data.finset.sym from "leanprover-community/mathlib"@"02ba8949f486ebecf93fe7460f1ed0564b5e442c" namespace Finset variable {α : Type*} @[simps] protected def sym2 (s : Finset α) : Finset (Sym2 α) :...
Mathlib/Data/Finset/Sym.lean
156
156
theorem diag_mem_sym2_iff : Sym2.diag a ∈ s.sym2 ↔ a ∈ s := by
simp [diag_mem_sym2_mem_iff]
1
2.718282
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0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α}
Mathlib/Topology/Order/DenselyOrdered.lean
25
29
theorem closure_Ioi' {a : α} (h : (Ioi a).Nonempty) : closure (Ioi a) = Ici a := by
apply Subset.antisymm · exact closure_minimal Ioi_subset_Ici_self isClosed_Ici · rw [← diff_subset_closure_iff, Ici_diff_Ioi_same, singleton_subset_iff] exact isGLB_Ioi.mem_closure h
4
54.59815
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0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
52
61
theorem closure_Ioo {a b : α} (hab : a ≠ b) : closure (Ioo a b) = Icc a b := by
apply Subset.antisymm · exact closure_minimal Ioo_subset_Icc_self isClosed_Icc · cases' hab.lt_or_lt with hab hab · rw [← diff_subset_closure_iff, Icc_diff_Ioo_same hab.le] have hab' : (Ioo a b).Nonempty := nonempty_Ioo.2 hab simp only [insert_subset_iff, singleton_subset_iff] exact ⟨(isGLB...
9
8,103.083928
2
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
66
70
theorem closure_Ioc {a b : α} (hab : a ≠ b) : closure (Ioc a b) = Icc a b := by
apply Subset.antisymm · exact closure_minimal Ioc_subset_Icc_self isClosed_Icc · apply Subset.trans _ (closure_mono Ioo_subset_Ioc_self) rw [closure_Ioo hab]
4
54.59815
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0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
75
79
theorem closure_Ico {a b : α} (hab : a ≠ b) : closure (Ico a b) = Icc a b := by
apply Subset.antisymm · exact closure_minimal Ico_subset_Icc_self isClosed_Icc · apply Subset.trans _ (closure_mono Ioo_subset_Ico_self) rw [closure_Ioo hab]
4
54.59815
2
0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
83
84
theorem interior_Ici' {a : α} (ha : (Iio a).Nonempty) : interior (Ici a) = Ioi a := by
rw [← compl_Iio, interior_compl, closure_Iio' ha, compl_Iic]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
101
102
theorem interior_Icc [NoMinOrder α] [NoMaxOrder α] {a b : α} : interior (Icc a b) = Ioo a b := by
rw [← Ici_inter_Iic, interior_inter, interior_Ici, interior_Iic, Ioi_inter_Iio]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
106
108
theorem Icc_mem_nhds_iff [NoMinOrder α] [NoMaxOrder α] {a b x : α} : Icc a b ∈ 𝓝 x ↔ x ∈ Ioo a b := by
rw [← interior_Icc, mem_interior_iff_mem_nhds]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
111
112
theorem interior_Ico [NoMinOrder α] {a b : α} : interior (Ico a b) = Ioo a b := by
rw [← Ici_inter_Iio, interior_inter, interior_Ici, interior_Iio, Ioi_inter_Iio]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
116
117
theorem Ico_mem_nhds_iff [NoMinOrder α] {a b x : α} : Ico a b ∈ 𝓝 x ↔ x ∈ Ioo a b := by
rw [← interior_Ico, mem_interior_iff_mem_nhds]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
120
121
theorem interior_Ioc [NoMaxOrder α] {a b : α} : interior (Ioc a b) = Ioo a b := by
rw [← Ioi_inter_Iic, interior_inter, interior_Ioi, interior_Iic, Ioi_inter_Iio]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
125
126
theorem Ioc_mem_nhds_iff [NoMaxOrder α] {a b x : α} : Ioc a b ∈ 𝓝 x ↔ x ∈ Ioo a b := by
rw [← interior_Ioc, mem_interior_iff_mem_nhds]
1
2.718282
0
0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
136
143
theorem Ioc_subset_closure_interior (a b : α) : Ioc a b ⊆ closure (interior (Ioc a b)) := by
rcases eq_or_ne a b with (rfl | h) · simp · calc Ioc a b ⊆ Icc a b := Ioc_subset_Icc_self _ = closure (Ioo a b) := (closure_Ioo h).symm _ ⊆ closure (interior (Ioc a b)) := closure_mono (interior_maximal Ioo_subset_Ioc_self isOpen_Ioo)
7
1,096.633158
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0.769231
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import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
146
147
theorem Ico_subset_closure_interior (a b : α) : Ico a b ⊆ closure (interior (Ico a b)) := by
simpa only [dual_Ioc] using Ioc_subset_closure_interior (OrderDual.toDual b) (OrderDual.toDual a)
1
2.718282
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0.769231
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
81
82
theorem thickening_empty (δ : ℝ) : thickening δ (∅ : Set α) = ∅ := by
simp only [thickening, setOf_false, infEdist_empty, not_top_lt]
1
2.718282
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0.777778
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
114
122
theorem frontier_thickening_disjoint (A : Set α) : Pairwise (Disjoint on fun r : ℝ => frontier (thickening r A)) := by
refine (pairwise_disjoint_on _).2 fun r₁ r₂ hr => ?_ rcases le_total r₁ 0 with h₁ | h₁ · simp [thickening_of_nonpos h₁] refine ((disjoint_singleton.2 fun h => hr.ne ?_).preimage _).mono (frontier_thickening_subset _) (frontier_thickening_subset _) apply_fun ENNReal.toReal at h rwa [ENNReal.toReal_ofRea...
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1,096.633158
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
151
154
theorem mem_thickening_iff {E : Set X} {x : X} : x ∈ thickening δ E ↔ ∃ z ∈ E, dist x z < δ := by
have key_iff : ∀ z : X, edist x z < ENNReal.ofReal δ ↔ dist x z < δ := fun z ↦ by rw [dist_edist, lt_ofReal_iff_toReal_lt (edist_ne_top _ _)] simp_rw [mem_thickening_iff_exists_edist_lt, key_iff]
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
219
223
theorem mem_cthickening_of_dist_le {α : Type*} [PseudoMetricSpace α] (x y : α) (δ : ℝ) (E : Set α) (h : y ∈ E) (h' : dist x y ≤ δ) : x ∈ cthickening δ E := by
apply mem_cthickening_of_edist_le x y δ E h rw [edist_dist] exact ENNReal.ofReal_le_ofReal h'
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20.085537
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
238
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theorem cthickening_empty (δ : ℝ) : cthickening δ (∅ : Set α) = ∅ := by
simp only [cthickening, ENNReal.ofReal_ne_top, setOf_false, infEdist_empty, top_le_iff]
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2.718282
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
242
244
theorem cthickening_of_nonpos {δ : ℝ} (hδ : δ ≤ 0) (E : Set α) : cthickening δ E = closure E := by
ext x simp [mem_closure_iff_infEdist_zero, cthickening, ENNReal.ofReal_eq_zero.2 hδ]
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
253
254
theorem cthickening_max_zero (δ : ℝ) (E : Set α) : cthickening (max 0 δ) E = cthickening δ E := by
cases le_total δ 0 <;> simp [cthickening_of_nonpos, *]
1
2.718282
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
265
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theorem cthickening_singleton {α : Type*} [PseudoMetricSpace α] (x : α) {δ : ℝ} (hδ : 0 ≤ δ) : cthickening δ ({x} : Set α) = closedBall x δ := by
ext y simp [cthickening, edist_dist, ENNReal.ofReal_le_ofReal_iff hδ]
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7.389056
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import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
271
275
theorem closedBall_subset_cthickening_singleton {α : Type*} [PseudoMetricSpace α] (x : α) (δ : ℝ) : closedBall x δ ⊆ cthickening δ ({x} : Set α) := by
rcases lt_or_le δ 0 with (hδ | hδ) · simp only [closedBall_eq_empty.mpr hδ, empty_subset] · simp only [cthickening_singleton x hδ, Subset.rfl]
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20.085537
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
63
63
theorem boundary_top : ∂ (⊤ : α) = ⊥ := by
rw [boundary, hnot_top, inf_bot_eq]
1
2.718282
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
71
72
theorem boundary_hnot_hnot (a : α) : ∂ (¬¬a) = ∂ (¬a) := by
simp_rw [boundary, hnot_hnot_hnot, inf_comm]
1
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
76
76
theorem hnot_boundary (a : α) : ¬∂ a = ⊤ := by
rw [boundary, hnot_inf_distrib, sup_hnot_self]
1
2.718282
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
80
82
theorem boundary_inf (a b : α) : ∂ (a ⊓ b) = ∂ a ⊓ b ⊔ a ⊓ ∂ b := by
unfold boundary rw [hnot_inf_distrib, inf_sup_left, inf_right_comm, ← inf_assoc]
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
89
93
theorem boundary_sup_le : ∂ (a ⊔ b) ≤ ∂ a ⊔ ∂ b := by
rw [boundary, inf_sup_right] exact sup_le_sup (inf_le_inf_left _ <| hnot_anti le_sup_left) (inf_le_inf_left _ <| hnot_anti le_sup_right)
4
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
105
117
theorem boundary_le_boundary_sup_sup_boundary_inf_left : ∂ a ≤ ∂ (a ⊔ b) ⊔ ∂ (a ⊓ b) := by
-- Porting note: the following simp generates the same term as mathlib3 if you remove -- sup_inf_right from both. With sup_inf_right included, mathlib4 and mathlib3 generate -- different terms simp only [boundary, sup_inf_left, sup_inf_right, sup_right_idem, le_inf_iff, sup_assoc, sup_comm _ a] refine ⟨⟨...
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
120
122
theorem boundary_le_boundary_sup_sup_boundary_inf_right : ∂ b ≤ ∂ (a ⊔ b) ⊔ ∂ (a ⊓ b) := by
rw [sup_comm a, inf_comm] exact boundary_le_boundary_sup_sup_boundary_inf_left
2
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
132
132
theorem boundary_idem (a : α) : ∂ ∂ a = ∂ a := by
rw [boundary, hnot_boundary, inf_top_eq]
1
2.718282
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0.777778
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import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
135
137
theorem hnot_hnot_sup_boundary (a : α) : ¬¬a ⊔ ∂ a = a := by
rw [boundary, sup_inf_left, hnot_sup_self, inf_top_eq, sup_eq_right] exact hnot_hnot_le
2
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
37
39
theorem coeff_scaleRoots (p : R[X]) (s : R) (i : ℕ) : (scaleRoots p s).coeff i = coeff p i * s ^ (p.natDegree - i) := by
simp (config := { contextual := true }) [scaleRoots, coeff_monomial]
1
2.718282
0
0.777778
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
42
44
theorem coeff_scaleRoots_natDegree (p : R[X]) (s : R) : (scaleRoots p s).coeff p.natDegree = p.leadingCoeff := by
rw [leadingCoeff, coeff_scaleRoots, tsub_self, pow_zero, mul_one]
1
2.718282
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
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theorem zero_scaleRoots (s : R) : scaleRoots 0 s = 0 := by
ext simp
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
53
59
theorem scaleRoots_ne_zero {p : R[X]} (hp : p ≠ 0) (s : R) : scaleRoots p s ≠ 0 := by
intro h have : p.coeff p.natDegree ≠ 0 := mt leadingCoeff_eq_zero.mp hp have : (scaleRoots p s).coeff p.natDegree = 0 := congr_fun (congr_arg (coeff : R[X] → ℕ → R) h) p.natDegree rw [coeff_scaleRoots_natDegree] at this contradiction
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0.777778
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
62
64
theorem support_scaleRoots_le (p : R[X]) (s : R) : (scaleRoots p s).support ≤ p.support := by
intro simpa using left_ne_zero_of_mul
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
78
86
theorem degree_scaleRoots (p : R[X]) {s : R} : degree (scaleRoots p s) = degree p := by
haveI := Classical.propDecidable by_cases hp : p = 0 · rw [hp, zero_scaleRoots] refine le_antisymm (Finset.sup_mono (support_scaleRoots_le p s)) (degree_le_degree ?_) rw [coeff_scaleRoots_natDegree] intro h have := leadingCoeff_eq_zero.mp h contradiction
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2,980.957987
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
90
91
theorem natDegree_scaleRoots (p : R[X]) (s : R) : natDegree (scaleRoots p s) = natDegree p := by
simp only [natDegree, degree_scaleRoots]
1
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
94
95
theorem monic_scaleRoots_iff {p : R[X]} (s : R) : Monic (scaleRoots p s) ↔ Monic p := by
simp only [Monic, leadingCoeff, natDegree_scaleRoots, coeff_scaleRoots_natDegree]
1
2.718282
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0.777778
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import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
98
101
theorem map_scaleRoots (p : R[X]) (x : R) (f : R →+* S) (h : f p.leadingCoeff ≠ 0) : (p.scaleRoots x).map f = (p.map f).scaleRoots (f x) := by
ext simp [Polynomial.natDegree_map_of_leadingCoeff_ne_zero _ h]
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import Mathlib.Analysis.Complex.UpperHalfPlane.Topology import Mathlib.Analysis.SpecialFunctions.Arsinh import Mathlib.Geometry.Euclidean.Inversion.Basic #align_import analysis.complex.upper_half_plane.metric from "leanprover-community/mathlib"@"caa58cbf5bfb7f81ccbaca4e8b8ac4bc2b39cc1c" noncomputable section ope...
Mathlib/Analysis/Complex/UpperHalfPlane/Metric.lean
45
47
theorem sinh_half_dist (z w : ℍ) : sinh (dist z w / 2) = dist (z : ℂ) w / (2 * √(z.im * w.im)) := by
rw [dist_eq, mul_div_cancel_left₀ (arsinh _) two_ne_zero, sinh_arsinh]
1
2.718282
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0.777778
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import Mathlib.Analysis.Complex.UpperHalfPlane.Topology import Mathlib.Analysis.SpecialFunctions.Arsinh import Mathlib.Geometry.Euclidean.Inversion.Basic #align_import analysis.complex.upper_half_plane.metric from "leanprover-community/mathlib"@"caa58cbf5bfb7f81ccbaca4e8b8ac4bc2b39cc1c" noncomputable section ope...
Mathlib/Analysis/Complex/UpperHalfPlane/Metric.lean
50
57
theorem cosh_half_dist (z w : ℍ) : cosh (dist z w / 2) = dist (z : ℂ) (conj (w : ℂ)) / (2 * √(z.im * w.im)) := by
rw [← sq_eq_sq, cosh_sq', sinh_half_dist, div_pow, div_pow, one_add_div, mul_pow, sq_sqrt] · congr 1 simp only [Complex.dist_eq, Complex.sq_abs, Complex.normSq_sub, Complex.normSq_conj, Complex.conj_conj, Complex.mul_re, Complex.conj_re, Complex.conj_im, coe_im] ring all_goals positivity
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import Mathlib.Analysis.Complex.UpperHalfPlane.Topology import Mathlib.Analysis.SpecialFunctions.Arsinh import Mathlib.Geometry.Euclidean.Inversion.Basic #align_import analysis.complex.upper_half_plane.metric from "leanprover-community/mathlib"@"caa58cbf5bfb7f81ccbaca4e8b8ac4bc2b39cc1c" noncomputable section ope...
Mathlib/Analysis/Complex/UpperHalfPlane/Metric.lean
60
63
theorem tanh_half_dist (z w : ℍ) : tanh (dist z w / 2) = dist (z : ℂ) w / dist (z : ℂ) (conj ↑w) := by
rw [tanh_eq_sinh_div_cosh, sinh_half_dist, cosh_half_dist, div_div_div_comm, div_self, div_one] positivity
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