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Mathlib/Data/Nat/Cast/Basic.lean
Nat.coe_castRingHom
[]
[ 64, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 63, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Deriv.lean
Real.differentiableAt_cos
[]
[ 619, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 618, 1 ]
Mathlib/LinearAlgebra/Finsupp.lean
Finsupp.lmapDomain_disjoint_ker
[ { "state_after": "α : Type u_1\nM : Type u_3\nN : Type ?u.251779\nP : Type ?u.251782\nR : Type u_4\nS : Type ?u.251788\ninst✝⁷ : Semiring R\ninst✝⁶ : Semiring S\ninst✝⁵ : AddCommMonoid M\ninst✝⁴ : Module R M\ninst✝³ : AddCommMonoid N\ninst✝² : Module R N\ninst✝¹ : AddCommMonoid P\ninst✝ : Module R P\nα' : Type ...
[ 511, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 493, 1 ]
Mathlib/Algebra/Lie/IdealOperations.lean
LieSubmodule.lie_eq_bot_iff
[ { "state_after": "R : Type u\nL : Type v\nM : Type w\nM₂ : Type w₁\ninst✝¹⁰ : CommRing R\ninst✝⁹ : LieRing L\ninst✝⁸ : LieAlgebra R L\ninst✝⁷ : AddCommGroup M\ninst✝⁶ : Module R M\ninst✝⁵ : LieRingModule L M\ninst✝⁴ : LieModule R L M\ninst✝³ : AddCommGroup M₂\ninst✝² : Module R M₂\ninst✝¹ : LieRingModule L M₂\n...
[ 152, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 148, 1 ]
Mathlib/GroupTheory/Submonoid/Pointwise.lean
AddSubmonoid.mem_one
[]
[ 510, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 509, 1 ]
Mathlib/MeasureTheory/Measure/Haar/NormedSpace.lean
MeasureTheory.Measure.integral_comp_inv_mul_left
[ { "state_after": "no goals", "state_before": "E : Type ?u.90285\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace ℝ E\ninst✝⁶ : MeasurableSpace E\ninst✝⁵ : BorelSpace E\ninst✝⁴ : FiniteDimensional ℝ E\nμ : Measure E\ninst✝³ : IsAddHaarMeasure μ\nF : Type u_1\ninst✝² : NormedAddCommGroup F\ninst✝¹ : Norme...
[ 118, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.count_apply_finset'
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.369968\nγ : Type ?u.369971\nδ : Type ?u.369974\nι : Type ?u.369977\nR : Type ?u.369980\nR' : Type ?u.369983\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t : Se...
[ 2209, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2204, 1 ]
Mathlib/FieldTheory/Finite/Polynomial.lean
MvPolynomial.eq_zero_of_eval_eq_zero
[ { "state_after": "no goals", "state_before": "σ K : Type u\ninst✝² : Fintype K\ninst✝¹ : Field K\ninst✝ : Finite σ\np : MvPolynomial σ K\nh : ∀ (v : σ → K), ↑(eval v) p = 0\nhp : p ∈ restrictDegree σ K (Fintype.card K - 1)\np' : R σ K := { val := p, property := hp }\nthis : p' ∈ ker (evalᵢ σ K)\n⊢ p' = 0", ...
[ 258, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 254, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Terminal.lean
CategoryTheory.Limits.IsInitial.hasInitial
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝ : Category C\nX : C\nh : IsInitial X\nF : Discrete PEmpty ⥤ C\n⊢ (X_1 : Discrete PEmpty) → F.obj X_1 ⟶ ((Functor.const (Discrete PEmpty)).obj X).obj X_1", "tactic": "aesop_cat" }, { "state_after": "no goals", "state_before": "C...
[ 341, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/Data/Nat/Basic.lean
Nat.mul_right_eq_self_iff
[ { "state_after": "no goals", "state_before": "m n k a b : ℕ\nha : 0 < a\nthis : a * b = a * 1 ↔ b = 1\n⊢ a * b = a ↔ b = 1", "tactic": "rwa [mul_one] at this" } ]
[ 355, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 353, 1 ]
Mathlib/Order/SymmDiff.lean
bihimp_le_iff_left
[]
[ 618, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 617, 1 ]
Mathlib/Data/Nat/Prime.lean
Nat.le_minFac'
[ { "state_after": "m p : ℕ\npp : 1 < p\nh : 1 = 1 ∨ m ≤ minFac 1\nd : p ∣ 1\n⊢ m ≤ p", "state_before": "m n : ℕ\nh : n = 1 ∨ m ≤ minFac n\np : ℕ\npp : 1 < p\nd : p ∣ n\n⊢ n = 1 → m ≤ p", "tactic": "rintro rfl" }, { "state_after": "no goals", "state_before": "m p : ℕ\npp : 1 < p\nh : 1 = 1 ∨ m...
[ 362, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 358, 1 ]
Mathlib/NumberTheory/Padics/PadicNumbers.lean
PadicSeq.val_eq_iff_norm_eq
[ { "state_after": "case h₀\np : ℕ\ninst✝ : Fact (Nat.Prime p)\nf g : PadicSeq p\nhf : ¬f ≈ 0\nhg : ¬g ≈ 0\n⊢ 0 < ↑p\n\ncase h₁\np : ℕ\ninst✝ : Fact (Nat.Prime p)\nf g : PadicSeq p\nhf : ¬f ≈ 0\nhg : ¬g ≈ 0\n⊢ ↑p ≠ 1", "state_before": "p : ℕ\ninst✝ : Fact (Nat.Prime p)\nf g : PadicSeq p\nhf : ¬f ≈ 0\nhg : ¬g ...
[ 240, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 236, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.dual_node3L
[ { "state_after": "no goals", "state_before": "α : Type u_1\nl : Ordnode α\nx : α\nm : Ordnode α\ny : α\nr : Ordnode α\n⊢ dual (node3L l x m y r) = node3R (dual r) y (dual m) x (dual l)", "tactic": "simp [node3L, node3R, dual_node', add_comm]" } ]
[ 317, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 315, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
Measurable.ennreal_tsum
[ { "state_after": "α : Type u_2\nβ : Type ?u.2919204\nγ : Type ?u.2919207\nγ₂ : Type ?u.2919210\nδ : Type ?u.2919213\nι✝ : Sort y\ns t u : Set α\ninst✝¹ : MeasurableSpace α\nι : Type u_1\ninst✝ : Countable ι\nf : ι → α → ℝ≥0∞\nh : ∀ (i : ι), Measurable (f i)\n⊢ Measurable fun x => ⨆ (s : Finset ι), ∑ i in s, f i...
[ 1932, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1928, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.frequently_and_distrib_right
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.169644\nι : Sort x\nf : Filter α\np : α → Prop\nq : Prop\n⊢ (∃ᶠ (x : α) in f, p x ∧ q) ↔ (∃ᶠ (x : α) in f, p x) ∧ q", "tactic": "simp only [@and_comm _ q, frequently_and_distrib_left]" } ]
[ 1382, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1380, 1 ]
Mathlib/Algebra/FreeAlgebra.lean
FreeAlgebra.algebraMap_eq_one_iff
[]
[ 433, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 432, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
ZFSet.sInter_singleton
[ { "state_after": "no goals", "state_before": "x y : ZFSet\n⊢ y ∈ ⋂₀ {x} ↔ y ∈ x", "tactic": "simp_rw [mem_sInter (singleton_nonempty x), mem_singleton, forall_eq]" } ]
[ 1098, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1097, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.biUnion_preimage_singleton
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.226621\nι : Sort ?u.226624\nι' : Sort ?u.226627\nι₂ : Sort ?u.226630\nκ : ι → Sort ?u.226635\nκ₁ : ι → Sort ?u.226640\nκ₂ : ι → Sort ?u.226645\nκ' : ι' → Sort ?u.226650\nf : α → β\ns : Set β\n⊢ (⋃ (y : β) (_ : y ∈ s), f ⁻¹...
[ 1747, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1746, 1 ]
Mathlib/Algebra/Quandle.lean
Quandle.fix_inv
[ { "state_after": "Q : Type u_1\ninst✝ : Quandle Q\nx : Q\n⊢ x ◃ x ◃⁻¹ x = x ◃ x", "state_before": "Q : Type u_1\ninst✝ : Quandle Q\nx : Q\n⊢ x ◃⁻¹ x = x", "tactic": "rw [← left_cancel x]" }, { "state_after": "no goals", "state_before": "Q : Type u_1\ninst✝ : Quandle Q\nx : Q\n⊢ x ◃ x ◃⁻¹ x =...
[ 420, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 418, 1 ]
Mathlib/Logic/Basic.lean
xor_iff_not_iff'
[ { "state_after": "no goals", "state_before": "a b : Prop\n⊢ Xor' a b ↔ (¬a ↔ b)", "tactic": "simp only [← @xor_not_left _ b, not_not]" } ]
[ 481, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 481, 1 ]
Mathlib/AlgebraicTopology/AlternatingFaceMapComplex.lean
AlgebraicTopology.alternatingFaceMapComplex_map_f
[]
[ 192, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/Algebra/Hom/Centroid.lean
CentroidHom.ext
[]
[ 118, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 117, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.mul_le_left
[]
[ 478, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 477, 1 ]
Mathlib/Topology/Basic.lean
interior_sInter_subset
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\na : α\ns s₁ s₂ t : Set α\np p₁ p₂ : α → Prop\ninst✝ : TopologicalSpace α\nS : Set (Set α)\n⊢ interior (⋂₀ S) = interior (⋂ (s : Set α) (_ : s ∈ S), s)", "tactic": "rw [sInter_eq_biInter]" } ]
[ 401, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 398, 1 ]
Mathlib/Analysis/Seminorm.lean
Seminorm.coe_iSup_eq
[ { "state_after": "R : Type ?u.772186\nR' : Type ?u.772189\n𝕜 : Type u_2\n𝕜₂ : Type ?u.772195\n𝕜₃ : Type ?u.772198\n𝕝 : Type ?u.772201\nE : Type u_3\nE₂ : Type ?u.772207\nE₃ : Type ?u.772210\nF : Type ?u.772213\nG : Type ?u.772216\nι✝ : Type ?u.772219\ninst✝² : NormedField 𝕜\ninst✝¹ : AddCommGroup E\ninst✝ ...
[ 591, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 588, 11 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.coe_sInf
[]
[ 938, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 937, 1 ]
Mathlib/Data/List/Basic.lean
List.map_join
[ { "state_after": "no goals", "state_before": "ι : Type ?u.133368\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\nf : α → β\nL : List (List α)\n⊢ map f (join L) = join (map (map f) L)", "tactic": "induction L <;> [rfl; simp only [*, join, map, map_append]]" } ]
[ 1808, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1807, 1 ]
Mathlib/CategoryTheory/Bicategory/Basic.lean
CategoryTheory.Bicategory.inv_whiskerLeft
[ { "state_after": "case hom_inv_id\nB : Type u\ninst : Bicategory B\na b c d e : B\nf : a ⟶ b\ng h : b ⟶ c\nη : g ⟶ h\ninst_1 : IsIso η\n⊢ f ◁ η ≫ f ◁ inv η = 𝟙 (f ≫ g)", "state_before": "B : Type u\ninst✝¹ : Bicategory B\na b c d e : B\nf : a ⟶ b\ng h : b ⟶ c\nη : g ⟶ h\ninst✝ : IsIso η\n⊢ inv (f ◁ η) = f ...
[ 234, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/CategoryTheory/Limits/ConcreteCategory.lean
CategoryTheory.Limits.Concrete.isColimit_exists_rep
[ { "state_after": "case intro\nC : Type u\ninst✝³ : Category C\ninst✝² : ConcreteCategory C\nJ : Type v\ninst✝¹ : SmallCategory J\nF : J ⥤ C\ninst✝ : PreservesColimit F (forget C)\nD : Cocone F\nhD : IsColimit D\na : (j : J) × (forget C).obj (F.obj j)\n⊢ ∃ j y, (forget C).map (D.ι.app j) y = (fun a => (forget C)...
[ 205, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
Mathlib/Order/CompleteLattice.lean
iInf₂_comm
[ { "state_after": "no goals", "state_before": "α : Type u_5\nβ : Type ?u.96031\nβ₂ : Type ?u.96034\nγ : Type ?u.96037\nι : Sort ?u.96040\nι' : Sort ?u.96043\nκ : ι → Sort ?u.96048\nκ' : ι' → Sort ?u.96053\ninst✝ : CompleteLattice α\nf✝ g s t : ι → α\na b : α\nι₁ : Sort u_1\nι₂ : Sort u_2\nκ₁ : ι₁ → Sort u_3\...
[ 1153, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1150, 1 ]
Mathlib/RingTheory/TensorProduct.lean
Subalgebra.finiteDimensional_sup
[ { "state_after": "K : Type u_1\nL : Type u_2\ninst✝⁴ : Field K\ninst✝³ : CommRing L\ninst✝² : Algebra K L\nE1 E2 : Subalgebra K L\ninst✝¹ : FiniteDimensional K { x // x ∈ E1 }\ninst✝ : FiniteDimensional K { x // x ∈ E2 }\n⊢ FiniteDimensional K { x // x ∈ AlgHom.range (Algebra.TensorProduct.productMap (val E1) (...
[ 1111, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1107, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.two_le_iff'
[ { "state_after": "no goals", "state_before": "α β : Type u\nx : α\n⊢ 2 ≤ (#α) ↔ ∃ y, y ≠ x", "tactic": "rw [two_le_iff, ← nontrivial_iff, nontrivial_iff_exists_ne x]" } ]
[ 2234, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2233, 1 ]
Mathlib/Data/Sym/Basic.lean
Sym.map_cons
[]
[ 386, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 385, 1 ]
Mathlib/Algebra/Order/Ring/Lemmas.lean
Left.mul_lt_of_lt_of_le_one_of_nonneg
[]
[ 737, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 735, 1 ]
Mathlib/Logic/Equiv/LocalEquiv.lean
LocalEquiv.surjOn
[]
[ 260, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 259, 11 ]
Mathlib/Order/SuccPred/Basic.lean
Order.pred_le
[]
[ 600, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 599, 1 ]
Mathlib/Algebra/BigOperators/Finprod.lean
finprod_mem_union'
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.333397\nι : Type ?u.333400\nG : Type ?u.333403\nM : Type u_2\nN : Type ?u.333409\ninst✝¹ : CommMonoid M\ninst✝ : CommMonoid N\nf g : α → M\na b : α\ns t : Set α\nhst : Disjoint s t\nhs : Set.Finite (s ∩ mulSupport f)\nht : Set.Finite (t...
[ 799, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 796, 1 ]
Mathlib/Topology/MetricSpace/Lipschitz.lean
LipschitzWith.weaken
[]
[ 171, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 11 ]
Mathlib/Data/Fintype/Card.lean
Fintype.card_congr
[ { "state_after": "α✝ : Type ?u.4685\nβ✝ : Type ?u.4688\nγ : Type ?u.4691\nα : Type u_1\nβ : Type u_2\ninst✝¹ : Fintype α\ninst✝ : Fintype β\nf : α ≃ β\n⊢ card β = card β", "state_before": "α✝ : Type ?u.4685\nβ✝ : Type ?u.4688\nγ : Type ?u.4691\nα : Type u_1\nβ : Type u_2\ninst✝¹ : Fintype α\ninst✝ : Fintype...
[ 153, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/Order/LiminfLimsup.lean
Filter.blimsup_true
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.54283\nι : Type ?u.54286\ninst✝ : ConditionallyCompleteLattice α\nf : Filter β\nu : β → α\n⊢ (blimsup u f fun x => True) = limsup u f", "tactic": "simp [blimsup_eq, limsup_eq]" } ]
[ 401, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 400, 1 ]
Mathlib/AlgebraicTopology/DoldKan/Decomposition.lean
AlgebraicTopology.DoldKan.decomposition_Q
[ { "state_after": "case zero\nC : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX X' : SimplicialObject C\nn : ℕ\n⊢ HomologicalComplex.Hom.f (Q Nat.zero) (n + 1) =\n ∑ i in Finset.filter (fun i => ↑i < Nat.zero) Finset.univ,\n HomologicalComplex.Hom.f (P ↑i) (n + 1) ≫\n SimplicialObject.δ ...
[ 82, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.le_cons_of_not_mem
[ { "state_after": "α : Type u_1\nβ : Type ?u.36383\nγ : Type ?u.36386\ns t : Multiset α\na : α\nm : ¬a ∈ s\n⊢ s ≤ a ::ₘ t → s ≤ t", "state_before": "α : Type u_1\nβ : Type ?u.36383\nγ : Type ?u.36386\ns t : Multiset α\na : α\nm : ¬a ∈ s\n⊢ s ≤ a ::ₘ t ↔ s ≤ t", "tactic": "refine' ⟨_, fun h => le_trans h ...
[ 590, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/Order/PartialSups.lean
partialSups_zero
[]
[ 56, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Data/List/BigOperators/Basic.lean
List.prod_set
[ { "state_after": "no goals", "state_before": "ι : Type ?u.61763\nα : Type ?u.61766\nM : Type u_1\nN : Type ?u.61772\nP : Type ?u.61775\nM₀ : Type ?u.61778\nG : Type ?u.61781\nR : Type ?u.61784\ninst✝² : Monoid M\ninst✝¹ : Monoid N\ninst✝ : Monoid P\nl l₁ l₂ : List M\na✝ x : M\nxs : List M\na : M\n⊢ prod (se...
[ 218, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
one_div_lt_one_div_of_lt
[ { "state_after": "no goals", "state_before": "ι : Type ?u.83513\nα : Type u_1\nβ : Type ?u.83519\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\nha : 0 < a\nh : a < b\n⊢ 1 / b < 1 / a", "tactic": "rwa [lt_div_iff' ha, ← div_eq_mul_one_div, div_lt_one (ha.trans h)]" } ]
[ 458, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 457, 1 ]
Mathlib/CategoryTheory/Limits/ConcreteCategory.lean
CategoryTheory.Limits.Concrete.colimit_exists_rep
[]
[ 210, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 208, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.subsingleton.symm
[]
[ 214, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 11 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
measurable_iSup
[]
[ 1259, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1257, 1 ]
Mathlib/AlgebraicTopology/DoldKan/HomotopyEquivalence.lean
AlgebraicTopology.DoldKan.homotopyPToId_eventually_constant
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nq n : ℕ\nhqn : n < q\n⊢ Homotopy.hom (homotopyPToId X (q + 0)) n (n + 1) = Homotopy.hom (homotopyPToId X q) n (n + 1)", "state_before": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : Simplicia...
[ 62, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/CategoryTheory/Conj.lean
CategoryTheory.Iso.conj_comp
[]
[ 91, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/RingTheory/UniqueFactorizationDomain.lean
Associates.eq_factors_of_eq_counts
[ { "state_after": "case intro\nα : Type u_1\ninst✝¹ : CancelCommMonoidWithZero α\ndec_irr : (p : Associates α) → Decidable (Irreducible p)\ninst✝ : UniqueFactorizationMonoid α\ndec : DecidableEq α\ndec' : DecidableEq (Associates α)\na b : Associates α\nha : a ≠ 0\nhb : b ≠ 0\nh : ∀ (p : Associates α), Irreducibl...
[ 1502, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1489, 1 ]
Mathlib/Data/List/MinMax.lean
List.minimum_le_of_mem
[]
[ 359, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 358, 1 ]
Mathlib/Algebra/Homology/Augment.lean
CochainComplex.augmentTruncate_inv_f_succ
[]
[ 383, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 381, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.HasBasis.exists_antitone_subbasis
[ { "state_after": "case intro\nα : Type u_1\nβ : Type ?u.96678\nγ : Type ?u.96681\nι : Type ?u.96684\nι' : Sort u_2\nf : Filter α\nh : IsCountablyGenerated f\np : ι' → Prop\ns : ι' → Set α\nhs : HasBasis f p s\nx' : ℕ → Set α\nhx' : f = ⨅ (i : ℕ), 𝓟 (x' i)\n⊢ ∃ x, (∀ (i : ℕ), p (x i)) ∧ HasAntitoneBasis f fun i...
[ 1093, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1070, 1 ]
Mathlib/AlgebraicTopology/DoldKan/Degeneracies.lean
AlgebraicTopology.DoldKan.HigherFacesVanish.comp_σ
[ { "state_after": "no goals", "state_before": "C : Type ?u.24\ninst✝¹ : Category C\ninst✝ : Preadditive C\nY : C\nX : SimplicialObject C\nn b q : ℕ\nφ : Y ⟶ X.obj [n + 1].op\nv : HigherFacesVanish q φ\nhnbq : n + 1 = b + q\n⊢ b < n + 1 + 1", "tactic": "simp only [hnbq, Nat.lt_add_one_iff, le_add_iff_nonn...
[ 55, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 41, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Tagged.lean
BoxIntegral.TaggedPrepartition.iUnion_subset
[]
[ 92, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 91, 1 ]
Mathlib/LinearAlgebra/Matrix/IsDiag.lean
Matrix.IsDiag.isSymm
[ { "state_after": "case a.h\nα : Type u_1\nβ : Type ?u.21624\nR : Type ?u.21627\nn : Type u_2\nm : Type ?u.21633\ninst✝ : Zero α\nA : Matrix n n α\nh : IsDiag A\ni j : n\n⊢ Aᵀ i j = A i j", "state_before": "α : Type u_1\nβ : Type ?u.21624\nR : Type ?u.21627\nn : Type u_2\nm : Type ?u.21633\ninst✝ : Zero α\nA...
[ 158, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
antitone_mul_right
[]
[ 422, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 421, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.map_id
[]
[ 369, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 368, 1 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.coe_coe
[]
[ 138, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
Isometry.mapsTo_emetric_closedBall
[]
[ 172, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/Data/Finset/NoncommProd.lean
Finset.noncommProd_lemma
[ { "state_after": "F : Type ?u.137488\nι : Type ?u.137491\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.137500\nf✝ : α → β → β\nop : α → α → α\ninst✝¹ : Monoid β\ninst✝ : Monoid γ\ns : Finset α\nf : α → β\ncomm : Set.Pairwise ↑s fun a b => Commute (f a) (f b)\n⊢ Set.Pairwise {x | ∃ a, a ∈ s.val ∧ f a = x} Commute", ...
[ 238, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 233, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
div_le_iff_le_mul
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝² : Group α\ninst✝¹ : LE α\ninst✝ : CovariantClass α α (swap fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1\na b c d : α\n⊢ a / c ≤ b ↔ a ≤ b * c", "tactic": "rw [← mul_le_mul_iff_right c, div_eq_mul_inv, inv_mul_cancel_right]" } ]
[ 758, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 757, 1 ]
Mathlib/Data/Matrix/Kronecker.lean
Matrix.diagonal_kronecker_diagonal
[]
[ 327, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.self_eq_nnrealPart_sub_nnrealPart_neg
[ { "state_after": "case h\nF : Type ?u.1619749\nα : Type u\nβ : Type v\nγ : Type w\ninst✝ : TopologicalSpace α\nf : α →ᵇ ℝ\nx : α\n⊢ ↑f x = (toReal ∘ ↑(nnrealPart f) - toReal ∘ ↑(nnrealPart (-f))) x", "state_before": "F : Type ?u.1619749\nα : Type u\nβ : Type v\nγ : Type w\ninst✝ : TopologicalSpace α\nf : α ...
[ 1615, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1611, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/CommSq.lean
CategoryTheory.IsPushout.paste_vert_iff
[]
[ 756, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 752, 1 ]
Mathlib/MeasureTheory/Function/ConvergenceInMeasure.lean
MeasureTheory.TendstoInMeasure.exists_seq_tendstoInMeasure_atTop
[ { "state_after": "case intro\nα : Type u_2\nι : Type u_1\nE : Type u_3\nm : MeasurableSpace α\nμ : Measure α\ninst✝² : MetricSpace E\nf✝ : ℕ → α → E\ng✝ : α → E\nu : Filter ι\ninst✝¹ : NeBot u\ninst✝ : IsCountablyGenerated u\nf : ι → α → E\ng : α → E\nhfg : TendstoInMeasure μ f u g\nns : ℕ → ι\nh_tendsto_ns : T...
[ 252, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 248, 1 ]
Mathlib/Algebra/Category/ModuleCat/Basic.lean
ModuleCat.isZero_of_subsingleton
[ { "state_after": "case h\nR : Type u\ninst✝¹ : Ring R\nM : ModuleCat R\ninst✝ : Subsingleton ↑M\nX : ModuleCat R\nf : M ⟶ X\nx : ↑M\n⊢ ↑f x = ↑default x", "state_before": "R : Type u\ninst✝¹ : Ring R\nM : ModuleCat R\ninst✝ : Subsingleton ↑M\nX : ModuleCat R\nf : M ⟶ X\n⊢ f = default", "tactic": "ext x"...
[ 224, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 216, 1 ]
Mathlib/Analysis/NormedSpace/Completion.lean
UniformSpace.Completion.coe_toComplL
[]
[ 72, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 71, 1 ]
Mathlib/LinearAlgebra/AffineSpace/AffineSubspace.lean
AffineSubspace.injective_subtype
[]
[ 440, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 439, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Comp.lean
Differentiable.iterate
[]
[ 207, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 205, 11 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousLocalization.lean
HomogeneousLocalization.NumDenSameDeg.ext
[ { "state_after": "case mk.mk.mk\nι : Type u_1\nR : Type u_2\nA : Type u_3\ninst✝⁵ : AddCommMonoid ι\ninst✝⁴ : DecidableEq ι\ninst✝³ : CommRing R\ninst✝² : CommRing A\ninst✝¹ : Algebra R A\n𝒜 : ι → Submodule R A\ninst✝ : GradedAlgebra 𝒜\nx : Submonoid A\nc2 : NumDenSameDeg 𝒜 x\ni1 : ι\nn1 : A\nhn1 : n1 ∈ 𝒜 i...
[ 116, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 110, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.val_one'
[]
[ 633, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 632, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
SemiconjBy.cast_nat_mul_right
[]
[ 1035, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1034, 1 ]
Mathlib/Algebra/Opposites.lean
MulOpposite.op_eq_zero_iff
[]
[ 340, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Angle.lean
Real.Angle.coe_abs_toReal_of_sign_nonneg
[ { "state_after": "no goals", "state_before": "θ : Angle\nh : 0 ≤ sign θ\n⊢ ↑(abs (toReal θ)) = θ", "tactic": "rw [abs_eq_self.2 (toReal_nonneg_iff_sign_nonneg.2 h), coe_toReal]" } ]
[ 933, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 932, 1 ]
Mathlib/Algebra/Hom/Equiv/Basic.lean
MulEquiv.symm_symm
[]
[ 313, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/Data/Set/Pointwise/Interval.lean
Set.image_mul_right_Ioo
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : LinearOrderedField α\na✝ a b c : α\nh : 0 < c\n⊢ ↑(Units.mulRight (Units.mk0 c (_ : c ≠ 0))).symm ⁻¹' Ioo a b = Ioo (a * c) (b * c)", "tactic": "simp [h, division_def]" } ]
[ 754, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 752, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Midpoint.lean
left_vsub_midpoint
[]
[ 119, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.cons_injective_left
[]
[ 105, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Pretrivialization.trans_source
[ { "state_after": "no goals", "state_before": "ι : Type ?u.11255\nB : Type u_1\nF : Type u_2\nE : B → Type ?u.11266\nZ : Type u_3\ninst✝¹ : TopologicalSpace B\ninst✝ : TopologicalSpace F\nproj : Z → B\ne✝ : Pretrivialization F proj\nx : Z\ne f : Pretrivialization F proj\n⊢ (LocalEquiv.trans (LocalEquiv.symm ...
[ 208, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 206, 1 ]
Mathlib/Control/Traversable/Instances.lean
List.traverse_cons
[]
[ 124, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 122, 1 ]
Mathlib/Algebra/Algebra/Equiv.lean
AlgEquiv.toLinearEquiv_symm
[]
[ 554, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 553, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.exists_ball_subset_ball
[ { "state_after": "α : Type u\nβ : Type v\nX : Type ?u.192900\ninst✝ : PseudoEMetricSpace α\nx y z : α\nε ε₁ ε₂ : ℝ≥0∞\ns t : Set α\nh : y ∈ ball x ε\nthis : 0 < ε - edist y x\n⊢ ∃ ε', ε' > 0 ∧ ball y ε' ⊆ ball x ε", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.192900\ninst✝ : PseudoEMetricSpace α\nx...
[ 600, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 597, 1 ]
Mathlib/AlgebraicGeometry/PresheafedSpace.lean
AlgebraicGeometry.PresheafedSpace.isIso_of_components
[]
[ 353, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 352, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Kernels.lean
CategoryTheory.Limits.kernelZeroIsoSource_inv
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝² : Category C\ninst✝¹ : HasZeroMorphisms C\nX Y : C\nf : X ⟶ Y\ninst✝ : HasKernel f\n⊢ 𝟙 X ≫ 0 = 0", "tactic": "simp" }, { "state_after": "case h\nC : Type u\ninst✝² : Category C\ninst✝¹ : HasZeroMorphisms C\nX Y : C\nf : X ⟶ Y\nin...
[ 341, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 338, 1 ]
Mathlib/Deprecated/Subgroup.lean
IsGroupHom.trivial_ker_iff_eq_one
[ { "state_after": "G : Type u_1\nH : Type u_2\nA : Type ?u.115479\na a₁ a₂ b c : G\ninst✝¹ : Group G\ninst✝ : Group H\nf : G → H\nhf : IsGroupHom f\n⊢ (∀ (x : G), x ∈ ker f ↔ x ∈ IsSubgroup.trivial G) ↔ ∀ (x : G), f x = 1 → x = 1", "state_before": "G : Type u_1\nH : Type u_2\nA : Type ?u.115479\na a₁ a₂ b c ...
[ 482, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 479, 1 ]
Mathlib/Logic/Encodable/Basic.lean
Encodable.decode_unit_zero
[]
[ 152, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 151, 1 ]
Mathlib/RingTheory/HahnSeries.lean
HahnSeries.mul_assoc'
[ { "state_after": "case coeff.h\nΓ : Type u_2\nR : Type u_1\ninst✝¹ : OrderedCancelAddCommMonoid Γ\ninst✝ : NonUnitalSemiring R\nx y z : HahnSeries Γ R\nb : Γ\n⊢ coeff (x * y * z) b = coeff (x * (y * z)) b", "state_before": "Γ : Type u_2\nR : Type u_1\ninst✝¹ : OrderedCancelAddCommMonoid Γ\ninst✝ : NonUnital...
[ 809, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 783, 9 ]
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
ENNReal.rpow_sub
[ { "state_after": "no goals", "state_before": "x : ℝ≥0∞\ny z : ℝ\nhx : x ≠ 0\nh'x : x ≠ ⊤\n⊢ x ^ (y - z) = x ^ y / x ^ z", "tactic": "rw [sub_eq_add_neg, rpow_add _ _ hx h'x, rpow_neg, div_eq_mul_inv]" } ]
[ 449, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 448, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
Collinear.coplanar
[]
[ 642, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 641, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.norm_eq_iSup_norm
[ { "state_after": "no goals", "state_before": "F : Type ?u.1017678\nα : Type u\nβ : Type v\nγ : Type w\ninst✝¹ : TopologicalSpace α\ninst✝ : SeminormedAddCommGroup β\nf g : α →ᵇ β\nx : α\nC : ℝ\n⊢ ‖f‖ = ⨆ (x : α), ‖↑f x‖", "tactic": "simp_rw [norm_def, dist_eq_iSup, coe_zero, Pi.zero_apply, dist_zero_rig...
[ 926, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 925, 1 ]
Mathlib/Tactic/Ring/Basic.lean
Mathlib.Tactic.Ring.coeff_mul
[ { "state_after": "u : Lean.Level\nR : Type ?u.272248\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝ : CommSemiring R\nc₂ k a₁ a₂ : ℕ\n⊢ a₁ ^ a₂ * (c₂ * k) = a₁ ^ a₂ * c₂ * k", "state_before": "u : Lean.Level\nR : Type ?u.272248\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝ : CommSemiring R\na₃ c₂ k a₁ ...
[ 744, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 743, 1 ]
Mathlib/MeasureTheory/Integral/IntegralEqImproper.lean
MeasureTheory.intervalIntegral_tendsto_integral
[ { "state_after": "ι : Type u_2\nE : Type u_1\nμ : Measure ℝ\nl : Filter ι\ninst✝³ : IsCountablyGenerated l\ninst✝² : NormedAddCommGroup E\ninst✝¹ : NormedSpace ℝ E\ninst✝ : CompleteSpace E\na b : ι → ℝ\nf : ℝ → E\nhfi : Integrable f\nha : Tendsto a l atBot\nhb : Tendsto b l atTop\nφ : ι → Set ℝ := fun i => Ioc ...
[ 631, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 624, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.diam_pos_iff'
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.314784\ninst✝¹ : PseudoEMetricSpace α\nγ : Type w\ninst✝ : EMetricSpace γ\ns : Set γ\n⊢ 0 < diam s ↔ ∃ x, x ∈ s ∧ ∃ y, y ∈ s ∧ x ≠ y", "tactic": "simp only [diam_pos_iff, Set.Nontrivial, exists_prop]" } ]
[ 1137, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1136, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.eval₂_eq
[]
[ 939, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 937, 1 ]
Mathlib/MeasureTheory/Integral/SetIntegral.lean
MeasureTheory.integral_union_eq_left_of_forall₀
[]
[ 326, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 324, 1 ]
Mathlib/Combinatorics/Configuration.lean
Configuration.HasLines.pointCount_le_lineCount
[ { "state_after": "case pos\nP : Type u_1\nL : Type u_2\ninst✝² : Membership P L\ninst✝¹ : HasLines P L\np : P\nl : L\nh : ¬p ∈ l\ninst✝ : Finite { l // p ∈ l }\nhf : Infinite { p // p ∈ l }\n⊢ pointCount P l ≤ lineCount L p\n\ncase neg\nP : Type u_1\nL : Type u_2\ninst✝² : Membership P L\ninst✝¹ : HasLines P L\...
[ 219, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 205, 1 ]
Mathlib/Topology/IsLocallyHomeomorph.lean
IsLocallyHomeomorphOn.mk
[ { "state_after": "X : Type u_1\nY : Type u_2\nZ : Type ?u.404\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\ng : Y → Z\nf : X → Y\ns : Set X\nt : Set Y\nh : ∀ (x : X), x ∈ s → ∃ e, x ∈ e.source ∧ ∀ (y : X), y ∈ e.source → f y = ↑e y\nx : X\nhx : x ∈ s\n⊢ ∃ e, x ∈ e.source...
[ 56, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 45, 1 ]