Context
stringlengths
57
6.04k
file_name
stringlengths
21
79
start
int64
14
1.49k
end
int64
18
1.5k
theorem
stringlengths
25
1.55k
proof
stringlengths
5
7.36k
num_lines
int64
1
150
complexity_score
float64
2.72
139,370,958,066,637,970,000,000,000,000,000,000,000,000,000,000,000,000,000B
diff_level
int64
0
2
file_diff_level
float64
0
2
theorem_same_file
int64
1
32
rank_file
int64
0
2.51k
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
121
121
theorem symmDiff_self : a ∆ a = ⊥ := by
rw [symmDiff, sup_idem, sdiff_self]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
125
125
theorem symmDiff_bot : a ∆ ⊥ = a := by
rw [symmDiff, sdiff_bot, bot_sdiff, sup_bot_eq]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
129
129
theorem bot_symmDiff : ⊥ ∆ a = a := by
rw [symmDiff_comm, symmDiff_bot]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
133
134
theorem symmDiff_eq_bot {a b : α} : a ∆ b = ⊥ ↔ a = b := by
simp_rw [symmDiff, sup_eq_bot_iff, sdiff_eq_bot_iff, le_antisymm_iff]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
137
138
theorem symmDiff_of_le {a b : α} (h : a ≤ b) : a ∆ b = b \ a := by
rw [symmDiff, sdiff_eq_bot_iff.2 h, bot_sup_eq]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
141
142
theorem symmDiff_of_ge {a b : α} (h : b ≤ a) : a ∆ b = a \ b := by
rw [symmDiff, sdiff_eq_bot_iff.2 h, sup_bot_eq]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
149
150
theorem symmDiff_le_iff {a b c : α} : a ∆ b ≤ c ↔ a ≤ b ⊔ c ∧ b ≤ a ⊔ c := by
simp_rw [symmDiff, sup_le_iff, sdiff_le_iff]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
158
158
theorem symmDiff_eq_sup_sdiff_inf : a ∆ b = (a ⊔ b) \ (a ⊓ b) := by
simp [sup_sdiff, symmDiff]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
161
162
theorem Disjoint.symmDiff_eq_sup {a b : α} (h : Disjoint a b) : a ∆ b = a ⊔ b := by
rw [symmDiff, h.sdiff_eq_left, h.sdiff_eq_right]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
165
166
theorem symmDiff_sdiff : a ∆ b \ c = a \ (b ⊔ c) ⊔ b \ (a ⊔ c) := by
rw [symmDiff, sup_sdiff_distrib, sdiff_sdiff_left, sdiff_sdiff_left]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
170
172
theorem symmDiff_sdiff_inf : a ∆ b \ (a ⊓ b) = a ∆ b := by
rw [symmDiff_sdiff] simp [symmDiff]
2
7.389056
1
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
176
180
theorem symmDiff_sdiff_eq_sup : a ∆ (b \ a) = a ⊔ b := by
rw [symmDiff, sdiff_idem] exact le_antisymm (sup_le_sup sdiff_le sdiff_le) (sup_le le_sdiff_sup <| le_sdiff_sup.trans <| sup_le le_sup_right le_sdiff_sup)
4
54.59815
2
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
248
248
theorem bihimp_self : a ⇔ a = ⊤ := by
rw [bihimp, inf_idem, himp_self]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
252
252
theorem bihimp_top : a ⇔ ⊤ = a := by
rw [bihimp, himp_top, top_himp, inf_top_eq]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
256
256
theorem top_bihimp : ⊤ ⇔ a = a := by
rw [bihimp_comm, bihimp_top]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
343
343
theorem symmDiff_top' : a ∆ ⊤ = ¬a := by
simp [symmDiff]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
347
347
theorem top_symmDiff' : ⊤ ∆ a = ¬a := by
simp [symmDiff]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
351
353
theorem hnot_symmDiff_self : (¬a) ∆ a = ⊤ := by
rw [eq_top_iff, symmDiff, hnot_sdiff, sup_sdiff_self] exact Codisjoint.top_le codisjoint_hnot_left
2
7.389056
1
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
371
371
theorem bihimp_bot : a ⇔ ⊥ = aᶜ := by
simp [bihimp]
1
2.718282
0
0.181818
22
266
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
375
375
theorem bot_bihimp : ⊥ ⇔ a = aᶜ := by
simp [bihimp]
1
2.718282
0
0.181818
22
266
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
94
95
theorem distrib_three_right [Mul R] [Add R] [RightDistribClass R] (a b c d : R) : (a + b + c) * d = a * d + b * d + c * d := by
simp [right_distrib]
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
156
157
theorem add_one_mul [RightDistribClass α] (a b : α) : (a + 1) * b = a * b + b := by
rw [add_mul, one_mul]
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
160
161
theorem mul_add_one [LeftDistribClass α] (a b : α) : a * (b + 1) = a * b + a := by
rw [mul_add, mul_one]
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
164
165
theorem one_add_mul [RightDistribClass α] (a b : α) : (1 + a) * b = b + a * b := by
rw [add_mul, one_mul]
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
168
169
theorem mul_one_add [LeftDistribClass α] (a b : α) : a * (1 + b) = a + a * b := by
rw [mul_add, mul_one]
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
197
198
theorem mul_ite {α} [Mul α] (P : Prop) [Decidable P] (a b c : α) : (a * if P then b else c) = if P then a * b else a * c := by
split_ifs <;> rfl
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
203
204
theorem ite_mul {α} [Mul α] (P : Prop) [Decidable P] (a b c : α) : (if P then a else b) * c = if P then a * c else b * c := by
split_ifs <;> rfl
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
218
221
theorem ite_sub_ite {α} [Sub α] (P : Prop) [Decidable P] (a b c d : α) : ((if P then a else b) - if P then c else d) = if P then a - c else b - d := by
split repeat rfl
2
7.389056
1
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
223
226
theorem ite_add_ite {α} [Add α] (P : Prop) [Decidable P] (a b c d : α) : ((if P then a else b) + if P then c else d) = if P then a + c else b + d := by
split repeat rfl
2
7.389056
1
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
244
245
theorem mul_boole {α} [MulZeroOneClass α] (P : Prop) [Decidable P] (a : α) : (a * if P then 1 else 0) = if P then a else 0 := by
simp
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
249
250
theorem boole_mul {α} [MulZeroOneClass α] (P : Prop) [Decidable P] (a : α) : (if P then 1 else 0) * a = if P then a else 0 := by
simp
1
2.718282
0
0.181818
11
267
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
185
185
theorem coe_eq_zero {f : α →₀ M} : (f : α → M) = 0 ↔ f = 0 := by
rw [← coe_zero, DFunLike.coe_fn_eq]
1
2.718282
0
0.2
5
268
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
188
195
theorem ext_iff' {f g : α →₀ M} : f = g ↔ f.support = g.support ∧ ∀ x ∈ f.support, f x = g x := ⟨fun h => h ▸ ⟨rfl, fun _ _ => rfl⟩, fun ⟨h₁, h₂⟩ => ext fun a => by classical exact if h : a ∈ f.support then h₂ a h else by have hf : f a = 0 := not_mem_support_iff.1 h have hg : g a = 0 :...
rwa [h₁, not_mem_support_iff] at h rw [hf, hg]⟩
2
7.389056
1
0.2
5
268
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
203
204
theorem support_nonempty_iff {f : α →₀ M} : f.support.Nonempty ↔ f ≠ 0 := by
simp only [Finsupp.support_eq_empty, Finset.nonempty_iff_ne_empty, Ne]
1
2.718282
0
0.2
5
268
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
209
209
theorem card_support_eq_zero {f : α →₀ M} : card f.support = 0 ↔ f = 0 := by
simp
1
2.718282
0
0.2
5
268
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
220
222
theorem support_subset_iff {s : Set α} {f : α →₀ M} : ↑f.support ⊆ s ↔ ∀ a ∉ s, f a = 0 := by
simp only [Set.subset_def, mem_coe, mem_support_iff]; exact forall_congr' fun a => not_imp_comm
1
2.718282
0
0.2
5
268
import Mathlib.Topology.Order.Basic open Set Filter OrderDual open scoped Topology section OrderClosedTopology variable {α : Type*} [LinearOrder α] [TopologicalSpace α] [OrderClosedTopology α] {a b c d : α} @[simp] theorem nhdsSet_Ioi : 𝓝ˢ (Ioi a) = 𝓟 (Ioi a) := isOpen_Ioi.nhdsSet_eq @[simp] theorem nhdsSet...
Mathlib/Topology/Order/NhdsSet.lean
36
37
theorem nhdsSet_Ici : 𝓝ˢ (Ici a) = 𝓝 a ⊔ 𝓟 (Ioi a) := by
rw [← Ioi_insert, nhdsSet_insert, nhdsSet_Ioi]
1
2.718282
0
0.2
5
269
import Mathlib.Topology.Order.Basic open Set Filter OrderDual open scoped Topology section OrderClosedTopology variable {α : Type*} [LinearOrder α] [TopologicalSpace α] [OrderClosedTopology α] {a b c d : α} @[simp] theorem nhdsSet_Ioi : 𝓝ˢ (Ioi a) = 𝓟 (Ioi a) := isOpen_Ioi.nhdsSet_eq @[simp] theorem nhdsSet...
Mathlib/Topology/Order/NhdsSet.lean
41
42
theorem nhdsSet_Ico (h : a < b) : 𝓝ˢ (Ico a b) = 𝓝 a ⊔ 𝓟 (Ioo a b) := by
rw [← Ioo_insert_left h, nhdsSet_insert, nhdsSet_Ioo]
1
2.718282
0
0.2
5
269
import Mathlib.Topology.Order.Basic open Set Filter OrderDual open scoped Topology section OrderClosedTopology variable {α : Type*} [LinearOrder α] [TopologicalSpace α] [OrderClosedTopology α] {a b c d : α} @[simp] theorem nhdsSet_Ioi : 𝓝ˢ (Ioi a) = 𝓟 (Ioi a) := isOpen_Ioi.nhdsSet_eq @[simp] theorem nhdsSet...
Mathlib/Topology/Order/NhdsSet.lean
44
45
theorem nhdsSet_Ioc (h : a < b) : 𝓝ˢ (Ioc a b) = 𝓝 b ⊔ 𝓟 (Ioo a b) := by
rw [← Ioo_insert_right h, nhdsSet_insert, nhdsSet_Ioo]
1
2.718282
0
0.2
5
269
import Mathlib.Topology.Order.Basic open Set Filter OrderDual open scoped Topology section OrderClosedTopology variable {α : Type*} [LinearOrder α] [TopologicalSpace α] [OrderClosedTopology α] {a b c d : α} @[simp] theorem nhdsSet_Ioi : 𝓝ˢ (Ioi a) = 𝓟 (Ioi a) := isOpen_Ioi.nhdsSet_eq @[simp] theorem nhdsSet...
Mathlib/Topology/Order/NhdsSet.lean
47
50
theorem nhdsSet_Icc (h : a ≤ b) : 𝓝ˢ (Icc a b) = 𝓝 a ⊔ 𝓝 b ⊔ 𝓟 (Ioo a b) := by
rcases h.eq_or_lt with rfl | hlt · simp · rw [← Ioc_insert_left h, nhdsSet_insert, nhdsSet_Ioc hlt, sup_assoc]
3
20.085537
1
0.2
5
269
import Mathlib.Topology.Order.Basic open Set Filter OrderDual open scoped Topology section OrderClosedTopology variable {α : Type*} [LinearOrder α] [TopologicalSpace α] [OrderClosedTopology α] {a b c d : α} @[simp] theorem nhdsSet_Ioi : 𝓝ˢ (Ioi a) = 𝓟 (Ioi a) := isOpen_Ioi.nhdsSet_eq @[simp] theorem nhdsSet...
Mathlib/Topology/Order/NhdsSet.lean
57
58
theorem Ioi_mem_nhdsSet_Ici_iff : Ioi a ∈ 𝓝ˢ (Ici b) ↔ a < b := by
rw [isOpen_Ioi.mem_nhdsSet, Ici_subset_Ioi]
1
2.718282
0
0.2
5
269
import Mathlib.Data.Multiset.Bind #align_import data.multiset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Multiset variable {α β : Type*} section Fold variable (op : α → α → α) [hc : Std.Commutative op] [ha : Std.Associative op] local notation a " * " b => ...
Mathlib/Data/Multiset/Fold.lean
63
64
theorem fold_cons_right (b a : α) (s : Multiset α) : (a ::ₘ s).fold op b = s.fold op b * a := by
simp [hc.comm]
1
2.718282
0
0.2
5
270
import Mathlib.Data.Multiset.Bind #align_import data.multiset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Multiset variable {α β : Type*} section Fold variable (op : α → α → α) [hc : Std.Commutative op] [ha : Std.Associative op] local notation a " * " b => ...
Mathlib/Data/Multiset/Fold.lean
67
68
theorem fold_cons'_right (b a : α) (s : Multiset α) : (a ::ₘ s).fold op b = s.fold op (b * a) := by
rw [fold_eq_foldl, foldl_cons, ← fold_eq_foldl]
1
2.718282
0
0.2
5
270
import Mathlib.Data.Multiset.Bind #align_import data.multiset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Multiset variable {α β : Type*} section Fold variable (op : α → α → α) [hc : Std.Commutative op] [ha : Std.Associative op] local notation a " * " b => ...
Mathlib/Data/Multiset/Fold.lean
71
72
theorem fold_cons'_left (b a : α) (s : Multiset α) : (a ::ₘ s).fold op b = s.fold op (a * b) := by
rw [fold_cons'_right, hc.comm]
1
2.718282
0
0.2
5
270
import Mathlib.Data.Multiset.Bind #align_import data.multiset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Multiset variable {α β : Type*} section Fold variable (op : α → α → α) [hc : Std.Commutative op] [ha : Std.Associative op] local notation a " * " b => ...
Mathlib/Data/Multiset/Fold.lean
82
87
theorem fold_bind {ι : Type*} (s : Multiset ι) (t : ι → Multiset α) (b : ι → α) (b₀ : α) : (s.bind t).fold op ((s.map b).fold op b₀) = (s.map fun i => (t i).fold op (b i)).fold op b₀ := by
induction' s using Multiset.induction_on with a ha ih · rw [zero_bind, map_zero, map_zero, fold_zero] · rw [cons_bind, map_cons, map_cons, fold_cons_left, fold_cons_left, fold_add, ih]
3
20.085537
1
0.2
5
270
import Mathlib.Data.Multiset.Bind #align_import data.multiset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Multiset variable {α β : Type*} section Fold variable (op : α → α → α) [hc : Std.Commutative op] [ha : Std.Associative op] local notation a " * " b => ...
Mathlib/Data/Multiset/Fold.lean
108
110
theorem fold_union_inter [DecidableEq α] (s₁ s₂ : Multiset α) (b₁ b₂ : α) : ((s₁ ∪ s₂).fold op b₁ * (s₁ ∩ s₂).fold op b₂) = s₁.fold op b₁ * s₂.fold op b₂ := by
rw [← fold_add op, union_add_inter, fold_add op]
1
2.718282
0
0.2
5
270
import Mathlib.Topology.Algebra.InfiniteSum.Defs import Mathlib.Data.Fintype.BigOperators import Mathlib.Topology.Algebra.Monoid noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section HasProd variable [CommMonoid α] [TopologicalSpace α] variable {f g : β → α} ...
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
35
35
theorem hasProd_one : HasProd (fun _ ↦ 1 : β → α) 1 := by
simp [HasProd, tendsto_const_nhds]
1
2.718282
0
0.2
5
271
import Mathlib.Topology.Algebra.InfiniteSum.Defs import Mathlib.Data.Fintype.BigOperators import Mathlib.Topology.Algebra.Monoid noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section HasProd variable [CommMonoid α] [TopologicalSpace α] variable {f g : β → α} ...
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
39
40
theorem hasProd_empty [IsEmpty β] : HasProd f 1 := by
convert @hasProd_one α β _ _
1
2.718282
0
0.2
5
271
import Mathlib.Topology.Algebra.InfiniteSum.Defs import Mathlib.Data.Fintype.BigOperators import Mathlib.Topology.Algebra.Monoid noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section HasProd variable [CommMonoid α] [TopologicalSpace α] variable {f g : β → α} ...
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
101
104
theorem hasProd_subtype_iff_mulIndicator {s : Set β} : HasProd (f ∘ (↑) : s → α) a ↔ HasProd (s.mulIndicator f) a := by
rw [← Set.mulIndicator_range_comp, Subtype.range_coe, hasProd_subtype_iff_of_mulSupport_subset Set.mulSupport_mulIndicator_subset]
2
7.389056
1
0.2
5
271
import Mathlib.Topology.Algebra.InfiniteSum.Defs import Mathlib.Data.Fintype.BigOperators import Mathlib.Topology.Algebra.Monoid noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section HasProd variable [CommMonoid α] [TopologicalSpace α] variable {f g : β → α} ...
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
132
133
theorem multipliable_of_finite_mulSupport (h : (mulSupport f).Finite) : Multipliable f := by
apply multipliable_of_ne_finset_one (s := h.toFinset); simp
1
2.718282
0
0.2
5
271
import Mathlib.Topology.Algebra.InfiniteSum.Defs import Mathlib.Data.Fintype.BigOperators import Mathlib.Topology.Algebra.Monoid noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section tprod variable [CommMonoid α] [TopologicalSpace α] {f g : β → α} {a a₁ a₂ : ...
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
387
388
theorem tprod_congr_set_coe (f : β → α) {s t : Set β} (h : s = t) : ∏' x : s, f x = ∏' x : t, f x := by
rw [h]
1
2.718282
0
0.2
5
271
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
140
141
theorem idRel_subset {s : Set (α × α)} : idRel ⊆ s ↔ ∀ a, (a, a) ∈ s := by
simp [subset_def]
1
2.718282
0
0.2
5
272
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
183
184
theorem compRel_assoc {r s t : Set (α × α)} : r ○ s ○ t = r ○ (s ○ t) := by
ext ⟨a, b⟩; simp only [mem_compRel]; tauto
1
2.718282
0
0.2
5
272
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
199
202
theorem subset_iterate_compRel {s t : Set (α × α)} (h : idRel ⊆ s) (n : ℕ) : t ⊆ (s ○ ·)^[n] t := by
induction' n with n ihn generalizing t exacts [Subset.rfl, (right_subset_compRel h).trans ihn]
2
7.389056
1
0.2
5
272
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
215
216
theorem symmetric_symmetrizeRel (V : Set (α × α)) : SymmetricRel (symmetrizeRel V) := by
simp [SymmetricRel, symmetrizeRel, preimage_inter, inter_comm, ← preimage_comp]
1
2.718282
0
0.2
5
272
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
237
238
theorem SymmetricRel.inter {U V : Set (α × α)} (hU : SymmetricRel U) (hV : SymmetricRel V) : SymmetricRel (U ∩ V) := by
rw [SymmetricRel, preimage_inter, hU.eq, hV.eq]
1
2.718282
0
0.2
5
272
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2]
Mathlib/Algebra/CharP/Two.lean
29
29
theorem two_eq_zero : (2 : R) = 0 := by
rw [← Nat.cast_two, CharP.cast_eq_zero]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
33
33
theorem add_self_eq_zero (x : R) : x + x = 0 := by
rw [← two_smul R x, two_eq_zero, zero_smul]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
38
40
theorem bit0_eq_zero : (bit0 : R → R) = 0 := by
funext exact add_self_eq_zero _
2
7.389056
1
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
44
44
theorem bit0_apply_eq_zero (x : R) : (bit0 x : R) = 0 := by
simp
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
49
51
theorem bit1_eq_one : (bit1 : R → R) = 1 := by
funext simp [bit1]
2
7.389056
1
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
55
55
theorem bit1_apply_eq_one (x : R) : (bit1 x : R) = 1 := by
simp
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section CommSemiring variable [CommSemiring R] [CharP R 2] theorem add_sq (x y...
Mathlib/Algebra/CharP/Two.lean
91
92
theorem add_mul_self (x y : R) : (x + y) * (x + y) = x * x + y * y := by
rw [← pow_two, ← pow_two, ← pow_two, add_sq]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section CommSemiring variable [CommSemiring R] [CharP R 2] theorem add_sq (x y...
Mathlib/Algebra/CharP/Two.lean
99
100
theorem list_sum_mul_self (l : List R) : l.sum * l.sum = (List.map (fun x => x * x) l).sum := by
simp_rw [← pow_two, list_sum_sq]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section CommSemiring variable [CommSemiring R] [CharP R 2] theorem add_sq (x y...
Mathlib/Algebra/CharP/Two.lean
107
108
theorem multiset_sum_mul_self (l : Multiset R) : l.sum * l.sum = (Multiset.map (fun x => x * x) l).sum := by
simp_rw [← pow_two, multiset_sum_sq]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section CommSemiring variable [CommSemiring R] [CharP R 2] theorem add_sq (x y...
Mathlib/Algebra/CharP/Two.lean
115
116
theorem sum_mul_self (s : Finset ι) (f : ι → R) : ((∑ i ∈ s, f i) * ∑ i ∈ s, f i) = ∑ i ∈ s, f i * f i := by
simp_rw [← pow_two, sum_sq]
1
2.718282
0
0.2
10
273
import Mathlib.Algebra.FreeNonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.UniversalEnveloping import Mathlib.GroupTheory.GroupAction.Ring #align_import algebra.lie.free from "leanprover-community/mathlib"@"841ac1a3d9162bf51c6327812ecb6e5e71883ac4" universe ...
Mathlib/Algebra/Lie/Free.lean
87
88
theorem Rel.addLeft (a : lib R X) {b c : lib R X} (h : Rel R X b c) : Rel R X (a + b) (a + c) := by
rw [add_comm _ b, add_comm _ c]; exact h.add_right _
1
2.718282
0
0.2
5
274
import Mathlib.Algebra.FreeNonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.UniversalEnveloping import Mathlib.GroupTheory.GroupAction.Ring #align_import algebra.lie.free from "leanprover-community/mathlib"@"841ac1a3d9162bf51c6327812ecb6e5e71883ac4" universe ...
Mathlib/Algebra/Lie/Free.lean
91
92
theorem Rel.neg {a b : lib R X} (h : Rel R X a b) : Rel R X (-a) (-b) := by
simpa only [neg_one_smul] using h.smul (-1)
1
2.718282
0
0.2
5
274
import Mathlib.Algebra.FreeNonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.UniversalEnveloping import Mathlib.GroupTheory.GroupAction.Ring #align_import algebra.lie.free from "leanprover-community/mathlib"@"841ac1a3d9162bf51c6327812ecb6e5e71883ac4" universe ...
Mathlib/Algebra/Lie/Free.lean
95
96
theorem Rel.subLeft (a : lib R X) {b c : lib R X} (h : Rel R X b c) : Rel R X (a - b) (a - c) := by
simpa only [sub_eq_add_neg] using h.neg.addLeft a
1
2.718282
0
0.2
5
274
import Mathlib.Algebra.FreeNonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.UniversalEnveloping import Mathlib.GroupTheory.GroupAction.Ring #align_import algebra.lie.free from "leanprover-community/mathlib"@"841ac1a3d9162bf51c6327812ecb6e5e71883ac4" universe ...
Mathlib/Algebra/Lie/Free.lean
99
100
theorem Rel.subRight {a b : lib R X} (c : lib R X) (h : Rel R X a b) : Rel R X (a - c) (b - c) := by
simpa only [sub_eq_add_neg] using h.add_right (-c)
1
2.718282
0
0.2
5
274
import Mathlib.Algebra.FreeNonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.NonUnitalNonAssocAlgebra import Mathlib.Algebra.Lie.UniversalEnveloping import Mathlib.GroupTheory.GroupAction.Ring #align_import algebra.lie.free from "leanprover-community/mathlib"@"841ac1a3d9162bf51c6327812ecb6e5e71883ac4" universe ...
Mathlib/Algebra/Lie/Free.lean
103
106
theorem Rel.smulOfTower {S : Type*} [Monoid S] [DistribMulAction S R] [IsScalarTower S R R] (t : S) (a b : lib R X) (h : Rel R X a b) : Rel R X (t • a) (t • b) := by
rw [← smul_one_smul R t a, ← smul_one_smul R t b] exact h.smul _
2
7.389056
1
0.2
5
274
import Mathlib.Data.Stream.Defs import Mathlib.Logic.Function.Basic import Mathlib.Init.Data.List.Basic import Mathlib.Data.List.Basic #align_import data.stream.init from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" set_option autoImplicit true open Nat Function Option namespace Stre...
Mathlib/Data/Stream/Init.lean
65
66
theorem drop_drop (n m : Nat) (s : Stream' α) : drop n (drop m s) = drop (n + m) s := by
ext; simp [Nat.add_assoc]
1
2.718282
0
0.2
5
275
import Mathlib.Data.Stream.Defs import Mathlib.Logic.Function.Basic import Mathlib.Init.Data.List.Basic import Mathlib.Data.List.Basic #align_import data.stream.init from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" set_option autoImplicit true open Nat Function Option namespace Stre...
Mathlib/Data/Stream/Init.lean
76
76
theorem tail_drop (n : Nat) (s : Stream' α) : tail (drop n s) = drop n (tail s) := by
simp
1
2.718282
0
0.2
5
275
import Mathlib.Data.Stream.Defs import Mathlib.Logic.Function.Basic import Mathlib.Init.Data.List.Basic import Mathlib.Data.List.Basic #align_import data.stream.init from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" set_option autoImplicit true open Nat Function Option namespace Stre...
Mathlib/Data/Stream/Init.lean
94
94
theorem head_drop (a : Stream' α) (n : ℕ) : (a.drop n).head = a.get n := by
simp
1
2.718282
0
0.2
5
275
import Mathlib.Data.Stream.Defs import Mathlib.Logic.Function.Basic import Mathlib.Init.Data.List.Basic import Mathlib.Data.List.Basic #align_import data.stream.init from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" set_option autoImplicit true open Nat Function Option namespace Stre...
Mathlib/Data/Stream/Init.lean
162
163
theorem map_eq (s : Stream' α) : map f s = f (head s)::map f (tail s) := by
rw [← Stream'.eta (map f s), tail_map, head_map]
1
2.718282
0
0.2
5
275
import Mathlib.Data.Stream.Defs import Mathlib.Logic.Function.Basic import Mathlib.Init.Data.List.Basic import Mathlib.Data.List.Basic #align_import data.stream.init from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" set_option autoImplicit true open Nat Function Option namespace Stre...
Mathlib/Data/Stream/Init.lean
240
242
theorem const_eq (a : α) : const a = a::const a := by
apply Stream'.ext; intro n cases n <;> rfl
2
7.389056
1
0.2
5
275
import Mathlib.Dynamics.BirkhoffSum.Basic import Mathlib.Algebra.Module.Basic open Finset section birkhoffAverage variable (R : Type*) {α M : Type*} [DivisionSemiring R] [AddCommMonoid M] [Module R M] def birkhoffAverage (f : α → α) (g : α → M) (n : ℕ) (x : α) : M := (n : R)⁻¹ • birkhoffSum f g n x
Mathlib/Dynamics/BirkhoffSum/Average.lean
44
45
theorem birkhoffAverage_zero (f : α → α) (g : α → M) (x : α) : birkhoffAverage R f g 0 x = 0 := by
simp [birkhoffAverage]
1
2.718282
0
0.2
5
276
import Mathlib.Dynamics.BirkhoffSum.Basic import Mathlib.Algebra.Module.Basic open Finset section birkhoffAverage variable (R : Type*) {α M : Type*} [DivisionSemiring R] [AddCommMonoid M] [Module R M] def birkhoffAverage (f : α → α) (g : α → M) (n : ℕ) (x : α) : M := (n : R)⁻¹ • birkhoffSum f g n x theorem bir...
Mathlib/Dynamics/BirkhoffSum/Average.lean
50
51
theorem birkhoffAverage_one (f : α → α) (g : α → M) (x : α) : birkhoffAverage R f g 1 x = g x := by
simp [birkhoffAverage]
1
2.718282
0
0.2
5
276
import Mathlib.Dynamics.BirkhoffSum.Basic import Mathlib.Algebra.Module.Basic open Finset section birkhoffAverage variable (R : Type*) {α M : Type*} [DivisionSemiring R] [AddCommMonoid M] [Module R M] def birkhoffAverage (f : α → α) (g : α → M) (n : ℕ) (x : α) : M := (n : R)⁻¹ • birkhoffSum f g n x theorem bir...
Mathlib/Dynamics/BirkhoffSum/Average.lean
57
61
theorem map_birkhoffAverage (S : Type*) {F N : Type*} [DivisionSemiring S] [AddCommMonoid N] [Module S N] [FunLike F M N] [AddMonoidHomClass F M N] (g' : F) (f : α → α) (g : α → M) (n : ℕ) (x : α) : g' (birkhoffAverage R f g n x) = birkhoffAverage S f (g' ∘ g) n x := by
simp only [birkhoffAverage, map_inv_natCast_smul g' R S, map_birkhoffSum]
1
2.718282
0
0.2
5
276
import Mathlib.Dynamics.BirkhoffSum.Basic import Mathlib.Algebra.Module.Basic open Finset section birkhoffAverage variable (R : Type*) {α M : Type*} [DivisionSemiring R] [AddCommMonoid M] [Module R M] def birkhoffAverage (f : α → α) (g : α → M) (n : ℕ) (x : α) : M := (n : R)⁻¹ • birkhoffSum f g n x theorem bir...
Mathlib/Dynamics/BirkhoffSum/Average.lean
68
70
theorem birkhoffAverage_congr_ring' (S : Type*) [DivisionSemiring S] [Module S M] : birkhoffAverage (α := α) (M := M) R = birkhoffAverage S := by
ext; apply birkhoffAverage_congr_ring
1
2.718282
0
0.2
5
276
import Mathlib.Dynamics.BirkhoffSum.Basic import Mathlib.Algebra.Module.Basic open Finset section birkhoffAverage variable (R : Type*) {α M : Type*} [DivisionSemiring R] [AddCommMonoid M] [Module R M] def birkhoffAverage (f : α → α) (g : α → M) (n : ℕ) (x : α) : M := (n : R)⁻¹ • birkhoffSum f g n x theorem bir...
Mathlib/Dynamics/BirkhoffSum/Average.lean
72
75
theorem Function.IsFixedPt.birkhoffAverage_eq [CharZero R] {f : α → α} {x : α} (h : IsFixedPt f x) (g : α → M) {n : ℕ} (hn : n ≠ 0) : birkhoffAverage R f g n x = g x := by
rw [birkhoffAverage, h.birkhoffSum_eq, nsmul_eq_smul_cast R, inv_smul_smul₀] rwa [Nat.cast_ne_zero]
2
7.389056
1
0.2
5
276
import Mathlib.LinearAlgebra.Dimension.DivisionRing import Mathlib.LinearAlgebra.Dimension.FreeAndStrongRankCondition noncomputable section universe u v v' v'' variable {K : Type u} {V V₁ : Type v} {V' V'₁ : Type v'} {V'' : Type v''} open Cardinal Basis Submodule Function Set namespace LinearMap section Ring ...
Mathlib/LinearAlgebra/Dimension/LinearMap.lean
46
47
theorem rank_zero [Nontrivial K] : rank (0 : V →ₗ[K] V') = 0 := by
rw [rank, LinearMap.range_zero, rank_bot]
1
2.718282
0
0.2
5
277
import Mathlib.LinearAlgebra.Dimension.DivisionRing import Mathlib.LinearAlgebra.Dimension.FreeAndStrongRankCondition noncomputable section universe u v v' v'' variable {K : Type u} {V V₁ : Type v} {V' V'₁ : Type v'} {V'' : Type v''} open Cardinal Basis Submodule Function Set namespace LinearMap section Ring ...
Mathlib/LinearAlgebra/Dimension/LinearMap.lean
52
55
theorem rank_comp_le_left (g : V →ₗ[K] V') (f : V' →ₗ[K] V'') : rank (f.comp g) ≤ rank f := by
refine rank_le_of_submodule _ _ ?_ rw [LinearMap.range_comp] exact LinearMap.map_le_range
3
20.085537
1
0.2
5
277
import Mathlib.LinearAlgebra.Dimension.DivisionRing import Mathlib.LinearAlgebra.Dimension.FreeAndStrongRankCondition noncomputable section universe u v v' v'' variable {K : Type u} {V V₁ : Type v} {V' V'₁ : Type v'} {V'' : Type v''} open Cardinal Basis Submodule Function Set namespace LinearMap section Ring ...
Mathlib/LinearAlgebra/Dimension/LinearMap.lean
58
60
theorem lift_rank_comp_le_right (g : V →ₗ[K] V') (f : V' →ₗ[K] V'') : Cardinal.lift.{v'} (rank (f.comp g)) ≤ Cardinal.lift.{v''} (rank g) := by
rw [rank, rank, LinearMap.range_comp]; exact lift_rank_map_le _ _
1
2.718282
0
0.2
5
277
import Mathlib.LinearAlgebra.Dimension.DivisionRing import Mathlib.LinearAlgebra.Dimension.FreeAndStrongRankCondition noncomputable section universe u v v' v'' variable {K : Type u} {V V₁ : Type v} {V' V'₁ : Type v'} {V'' : Type v''} open Cardinal Basis Submodule Function Set namespace LinearMap section Ring ...
Mathlib/LinearAlgebra/Dimension/LinearMap.lean
72
73
theorem rank_comp_le_right (g : V →ₗ[K] V') (f : V' →ₗ[K] V'₁) : rank (f.comp g) ≤ rank g := by
simpa only [Cardinal.lift_id] using lift_rank_comp_le_right g f
1
2.718282
0
0.2
5
277
import Mathlib.LinearAlgebra.Dimension.DivisionRing import Mathlib.LinearAlgebra.Dimension.FreeAndStrongRankCondition noncomputable section universe u v v' v'' variable {K : Type u} {V V₁ : Type v} {V' V'₁ : Type v'} {V'' : Type v''} open Cardinal Basis Submodule Function Set namespace LinearMap section Ring ...
Mathlib/LinearAlgebra/Dimension/LinearMap.lean
79
81
theorem rank_comp_le (g : V →ₗ[K] V') (f : V' →ₗ[K] V'₁) : rank (f.comp g) ≤ min (rank f) (rank g) := by
simpa only [Cardinal.lift_id] using lift_rank_comp_le g f
1
2.718282
0
0.2
5
277
import Mathlib.Topology.Separation #align_import topology.sober from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7ffb0335f44447b58977" open Set variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] section genericPoint def IsGenericPoint (x : α) (S : Set α) : Prop := closure ({x} : Set α)...
Mathlib/Topology/Sober.lean
53
54
theorem isGenericPoint_iff_specializes : IsGenericPoint x S ↔ ∀ y, x ⤳ y ↔ y ∈ S := by
simp only [specializes_iff_mem_closure, IsGenericPoint, Set.ext_iff]
1
2.718282
0
0.2
5
278
import Mathlib.Topology.Separation #align_import topology.sober from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7ffb0335f44447b58977" open Set variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] section genericPoint def IsGenericPoint (x : α) (S : Set α) : Prop := closure ({x} : Set α)...
Mathlib/Topology/Sober.lean
92
93
theorem disjoint_iff (h : IsGenericPoint x S) (hU : IsOpen U) : Disjoint S U ↔ x ∉ U := by
rw [h.mem_open_set_iff hU, ← not_disjoint_iff_nonempty_inter, Classical.not_not]
1
2.718282
0
0.2
5
278
import Mathlib.Topology.Separation #align_import topology.sober from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7ffb0335f44447b58977" open Set variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] section genericPoint def IsGenericPoint (x : α) (S : Set α) : Prop := closure ({x} : Set α)...
Mathlib/Topology/Sober.lean
96
97
theorem mem_closed_set_iff (h : IsGenericPoint x S) (hZ : IsClosed Z) : x ∈ Z ↔ S ⊆ Z := by
rw [← h.def, hZ.closure_subset_iff, singleton_subset_iff]
1
2.718282
0
0.2
5
278
import Mathlib.Topology.Separation #align_import topology.sober from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7ffb0335f44447b58977" open Set variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] section genericPoint def IsGenericPoint (x : α) (S : Set α) : Prop := closure ({x} : Set α)...
Mathlib/Topology/Sober.lean
107
111
theorem isGenericPoint_iff_forall_closed (hS : IsClosed S) (hxS : x ∈ S) : IsGenericPoint x S ↔ ∀ Z : Set α, IsClosed Z → x ∈ Z → S ⊆ Z := by
have : closure {x} ⊆ S := closure_minimal (singleton_subset_iff.2 hxS) hS simp_rw [IsGenericPoint, subset_antisymm_iff, this, true_and_iff, closure, subset_sInter_iff, mem_setOf_eq, and_imp, singleton_subset_iff]
3
20.085537
1
0.2
5
278
import Mathlib.Topology.Separation #align_import topology.sober from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7ffb0335f44447b58977" open Set variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] section genericPoint def IsGenericPoint (x : α) (S : Set α) : Prop := closure ({x} : Set α)...
Mathlib/Topology/Sober.lean
148
150
theorem genericPoint_spec [QuasiSober α] [IrreducibleSpace α] : IsGenericPoint (genericPoint α) ⊤ := by
simpa using (IrreducibleSpace.isIrreducible_univ α).genericPoint_spec
1
2.718282
0
0.2
5
278
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
52
52
theorem map_apply : (map f p) b = ∑' a, if b = f a then p a else 0 := by
simp [map]
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
60
60
theorem mem_support_map_iff : b ∈ (map f p).support ↔ ∃ a ∈ p.support, f a = b := by
simp
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
70
70
theorem map_comp (g : β → γ) : (p.map f).map g = p.map (g ∘ f) := by
simp [map, Function.comp]
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
87
88
theorem map_const : p.map (Function.const α b) = pure b := by
simp only [map, Function.comp, bind_const, Function.const]
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
96
97
theorem toOuterMeasure_map_apply : (p.map f).toOuterMeasure s = p.toOuterMeasure (f ⁻¹' s) := by
simp [map, Set.indicator, toOuterMeasure_apply p (f ⁻¹' s)]
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
101
105
theorem toMeasure_map_apply [MeasurableSpace α] [MeasurableSpace β] (hf : Measurable f) (hs : MeasurableSet s) : (p.map f).toMeasure s = p.toMeasure (f ⁻¹' s) := by
rw [toMeasure_apply_eq_toOuterMeasure_apply _ s hs, toMeasure_apply_eq_toOuterMeasure_apply _ (f ⁻¹' s) (measurableSet_preimage hf hs)] exact toOuterMeasure_map_apply f p s
3
20.085537
1
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
125
128
theorem seq_apply : (seq q p) b = ∑' (f : α → β) (a : α), if b = f a then q f * p a else 0 := by
simp only [seq, mul_boole, bind_apply, pure_apply] refine tsum_congr fun f => ENNReal.tsum_mul_left.symm.trans (tsum_congr fun a => ?_) simpa only [mul_zero] using mul_ite (b = f a) (q f) (p a) 0
3
20.085537
1
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
136
136
theorem mem_support_seq_iff : b ∈ (seq q p).support ↔ ∃ f ∈ q.support, b ∈ f '' p.support := by
simp
1
2.718282
0
0.2
10
279
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
172
173
theorem mem_support_ofFinset_iff (a : α) : a ∈ (ofFinset f s h h').support ↔ a ∈ s ∧ f a ≠ 0 := by
simp
1
2.718282
0
0.2
10
279