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Mathlib/Data/Set/Basic.lean
Set.Subset.trans
[]
[ 363, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 363, 1 ]
Mathlib/CategoryTheory/Simple.lean
CategoryTheory.kernel_zero_of_nonzero_from_simple
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝³ : Category C\ninst✝² : HasZeroMorphisms C\nX Y : C\ninst✝¹ : Simple X\nf : X ⟶ Y\ninst✝ : HasKernel f\nw : f ≠ 0\n⊢ kernel.ι f = 0", "tactic": "classical\n by_contra h\n haveI := isIso_of_mono_of_nonzero h\n exact w (eq_zero_of_epi_kern...
[ 93, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/CategoryTheory/Subobject/Limits.lean
CategoryTheory.Limits.imageSubobject_mono
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝² : Category C\nX Y Z : C\nf✝ : X ⟶ Y\ninst✝¹ : HasImage f✝\nf : X ⟶ Y\ninst✝ : Mono f\n⊢ (imageSubobjectIso f ≪≫ imageMonoIsoSource f ≪≫ (underlyingIso f).symm).hom ≫ arrow (Subobject.mk f) =\n arrow (imageSubobject f)", "tactic": "simp"...
[ 431, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]
Mathlib/Analysis/SpecialFunctions/Complex/Arg.lean
Complex.arg_le_pi_div_two_iff
[ { "state_after": "case inl\nz : ℂ\nhre : 0 ≤ z.re\n⊢ arg z ≤ π / 2 ↔ 0 ≤ z.re ∨ z.im < 0\n\ncase inr\nz : ℂ\nhre : z.re < 0\n⊢ arg z ≤ π / 2 ↔ 0 ≤ z.re ∨ z.im < 0", "state_before": "z : ℂ\n⊢ arg z ≤ π / 2 ↔ 0 ≤ z.re ∨ z.im < 0", "tactic": "cases' le_or_lt 0 (re z) with hre hre" }, { "state_after...
[ 341, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 329, 1 ]
Mathlib/RingTheory/Polynomial/Cyclotomic/Basic.lean
Polynomial.prod_cyclotomic'_eq_X_pow_sub_one
[ { "state_after": "K✝ : Type ?u.240784\ninst✝² : Field K✝\nK : Type u_1\ninst✝¹ : CommRing K\ninst✝ : IsDomain K\nζ : K\nn : ℕ\nhpos : 0 < n\nh : IsPrimitiveRoot ζ n\nhd : Set.PairwiseDisjoint ↑(Nat.divisors n) fun k => primitiveRoots k K\n⊢ ∏ i in Nat.divisors n, cyclotomic' i K = X ^ n - 1", "state_before"...
[ 177, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.div_subset_div_left
[]
[ 690, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 689, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Ordinal.card_omega
[]
[ 865, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 864, 1 ]
Std/Data/String/Lemmas.lean
Substring.ValidFor.nextn
[ { "state_after": "no goals", "state_before": "l m₁ m₂ r : List Char\nx✝¹ : Substring\nx✝ : ValidFor l (m₁ ++ m₂) r x✝¹\n⊢ Substring.nextn x✝¹ 0 { byteIdx := utf8Len m₁ } = { byteIdx := utf8Len m₁ + utf8Len (List.take 0 m₂) }", "tactic": "simp [Substring.nextn]" }, { "state_after": "l m₁ m₂ r : L...
[ 866, 85 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 856, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
IsLocalization.map_id_mk'
[]
[ 632, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 630, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
contDiffOn_of_subsingleton
[ { "state_after": "𝕜 : Type u_1\ninst✝¹¹ : NontriviallyNormedField 𝕜\nD : Type uD\ninst✝¹⁰ : NormedAddCommGroup D\ninst✝⁹ : NormedSpace 𝕜 D\nE : Type uE\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁶ : NormedAddCommGroup F\ninst✝⁵ : NormedSpace 𝕜 F\nG : Type uG\ninst✝⁴ : Norme...
[ 126, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Equiv.lean
HasFDerivWithinAt.uniqueDiffWithinAt
[ { "state_after": "𝕜 : Type u_1\ninst✝⁴ : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝³ : NormedAddCommGroup E\ninst✝² : NormedSpace 𝕜 E\nF : Type u_3\ninst✝¹ : NormedAddCommGroup F\ninst✝ : NormedSpace 𝕜 F\nf : E → F\ns : Set E\nf' : E →L[𝕜] F\nx : E\nh : HasFDerivWithinAt f f' s x\nhs : UniqueDiffWithin...
[ 506, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 499, 1 ]
Mathlib/NumberTheory/Padics/PadicVal.lean
padicValNat_dvd_iff_le
[ { "state_after": "no goals", "state_before": "p : ℕ\nhp : Fact (Nat.Prime p)\na n : ℕ\nha : a ≠ 0\n⊢ p ^ n ∣ a ↔ n ≤ padicValNat p a", "tactic": "rw [pow_dvd_iff_le_multiplicity, ← padicValNat_def' hp.out.ne_one ha.bot_lt, PartENat.coe_le_coe]" } ]
[ 465, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 463, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.sub_le
[ { "state_after": "no goals", "state_before": "n m : Nat\n⊢ n - m ≤ n", "tactic": "induction m with\n| zero => exact Nat.le_refl (n - 0)\n| succ m ih => apply Nat.le_trans (pred_le (n - m)) ih" }, { "state_after": "no goals", "state_before": "case zero\nn : Nat\n⊢ n - zero ≤ n", "tac...
[ 234, 57 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 231, 1 ]
Mathlib/Algebra/Support.lean
Function.mulSupport_one_sub
[]
[ 439, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 437, 1 ]
Mathlib/Topology/Compactification/OnePoint.lean
OnePoint.not_inseparable_infty_coe
[]
[ 415, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 414, 1 ]
Mathlib/Probability/Kernel/Basic.lean
ProbabilityTheory.kernel.sum_apply'
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_3\nι : Type u_1\nmα : MeasurableSpace α\nmβ : MeasurableSpace β\nκ✝ : { x // x ∈ kernel α β }\ninst✝ : Countable ι\nκ : ι → { x // x ∈ kernel α β }\na : α\ns : Set β\nhs : MeasurableSet s\n⊢ ↑↑(↑(kernel.sum κ) a) s = ∑' (n : ι), ↑↑(↑(κ n...
[ 234, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 233, 1 ]
src/lean/Init/SizeOf.lean
sizeOf_default
[]
[ 47, 61 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 47, 9 ]
Mathlib/Data/Stream/Init.lean
Stream'.map_eq
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nδ : Type w\nf : α → β\ns : Stream' α\n⊢ map f s = f (head s) :: map f (tail s)", "tactic": "rw [← Stream'.eta (map f s), tail_map, head_map]" } ]
[ 165, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 164, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.mem_Ici_iff
[]
[ 1097, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1096, 1 ]
Mathlib/Algebra/Lie/IdealOperations.lean
LieSubmodule.lieIdeal_oper_eq_linear_span'
[ { "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...
[ 100, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 91, 1 ]
Mathlib/Combinatorics/SimpleGraph/Acyclic.lean
SimpleGraph.IsAcyclic.path_unique
[ { "state_after": "case mk\nV : Type u\nG✝ G : SimpleGraph V\nh : IsAcyclic G\nv w : V\nq : Path G v w\np : Walk G v w\nhp : Walk.IsPath p\n⊢ { val := p, property := hp } = q", "state_before": "V : Type u\nG✝ G : SimpleGraph V\nh : IsAcyclic G\nv w : V\np q : Path G v w\n⊢ p = q", "tactic": "obtain ⟨p, h...
[ 113, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/Algebra/Order/Module.lean
smul_lt_smul_of_neg
[ { "state_after": "k : Type u_2\nM : Type u_1\nN : Type ?u.7657\ninst✝³ : OrderedRing k\ninst✝² : OrderedAddCommGroup M\ninst✝¹ : Module k M\ninst✝ : OrderedSMul k M\na b : M\nc : k\nh : a < b\nhc : c < 0\n⊢ -c • a < -c • b", "state_before": "k : Type u_2\nM : Type u_1\nN : Type ?u.7657\ninst✝³ : OrderedRing...
[ 58, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/RingTheory/Subring/Basic.lean
RingHom.range_eq_map
[ { "state_after": "case h\nR : Type u\nS : Type v\nT : Type w\ninst✝² : Ring R\ninst✝¹ : Ring S\ninst✝ : Ring T\ng : S →+* T\nf✝ f : R →+* S\nx✝ : S\n⊢ x✝ ∈ range f ↔ x✝ ∈ Subring.map f ⊤", "state_before": "R : Type u\nS : Type v\nT : Type w\ninst✝² : Ring R\ninst✝¹ : Ring S\ninst✝ : Ring T\ng : S →+* T\nf✝ ...
[ 664, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 662, 1 ]
Mathlib/CategoryTheory/Iso.lean
CategoryTheory.IsIso.comp_inv_eq
[]
[ 434, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 433, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.degree_X_pow_le
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b c d : R\nn✝ m : ℕ\ninst✝ : Semiring R\np q r : R[X]\nn : ℕ\n⊢ degree (X ^ n) ≤ ↑n", "tactic": "simpa only [C_1, one_mul] using degree_C_mul_X_pow_le n (1 : R)" } ]
[ 472, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 471, 1 ]
Mathlib/Analysis/Seminorm.lean
Seminorm.absorbent_closedBall_zero
[]
[ 991, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 990, 11 ]
Mathlib/Algebra/Order/Group/Defs.lean
lt_inv_iff_mul_lt_one'
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝² : Group α\ninst✝¹ : LT α\ninst✝ : CovariantClass α α (fun x x_1 => x * x_1) fun x x_1 => x < x_1\na b c : α\n⊢ b * a < b * b⁻¹ ↔ b * a < 1", "tactic": "rw [mul_inv_self]" } ]
[ 194, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 193, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.concat_cons
[]
[ 289, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 288, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.trim_smul
[]
[ 1758, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1756, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.mk_add_moveRight_inr
[]
[ 1548, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1545, 1 ]
Mathlib/Computability/Ackermann.lean
lt_ack_right
[]
[ 200, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/Data/Int/ModEq.lean
Int.ModEq.refl
[]
[ 50, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 11 ]
Mathlib/Topology/ExtremallyDisconnected.lean
StoneCech.projective
[ { "state_after": "X : Type u\ninst✝¹ : TopologicalSpace X\ninst✝ : DiscreteTopology X\nY Z : Type u\n_tsY : TopologicalSpace Y\n_tsZ : TopologicalSpace Z\n_csY : CompactSpace Y\n_t2Y : T2Space Y\n_csZ✝ : CompactSpace Z\n_csZ : T2Space Z\nf : StoneCech X → Z\ng : Y → Z\nhf : Continuous f\nhg : Continuous g\ng_su...
[ 83, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.integral_zero
[ { "state_after": "α : Type u_2\nE : Type u_1\nF : Type ?u.871391\n𝕜 : Type ?u.871394\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace ℝ E\ninst✝⁶ : CompleteSpace E\ninst✝⁵ : NontriviallyNormedField 𝕜\ninst✝⁴ : NormedSpace 𝕜 E\ninst✝³ : SMulCommClass ℝ 𝕜 E\ninst✝² : NormedAddCommGroup F\ninst✝¹ : NormedS...
[ 847, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 845, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.toList_eq_singleton_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.31600\nγ : Type ?u.31603\na : α\nm : Multiset α\n⊢ toList m = [a] ↔ m = {a}", "tactic": "rw [← perm_singleton, ← coe_eq_coe, coe_toList, coe_singleton]" } ]
[ 483, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 482, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.surjOn_iUnion₂
[]
[ 1598, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1596, 1 ]
Mathlib/Data/Set/Countable.lean
Set.countable_iff_exists_injOn
[]
[ 61, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Data/MvPolynomial/CommRing.lean
MvPolynomial.support_neg
[]
[ 88, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 87, 1 ]
Mathlib/Data/Finset/Image.lean
Finset.map_cast_heq
[ { "state_after": "α✝ : Type ?u.17749\nβ : Type ?u.17752\nγ : Type ?u.17755\nf : α✝ ↪ β\ns✝ : Finset α✝\nα : Type u_1\ns : Finset α\n⊢ HEq (map (Equiv.toEmbedding (Equiv.cast (_ : α = α))) s) s", "state_before": "α✝ : Type ?u.17749\nβ✝ : Type ?u.17752\nγ : Type ?u.17755\nf : α✝ ↪ β✝\ns✝ : Finset α✝\nα β : Ty...
[ 134, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.mem_filter_of_mem
[]
[ 1991, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1990, 1 ]
Mathlib/Data/Set/Basic.lean
Set.inter_diff_distrib_left
[]
[ 1613, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1612, 1 ]
Mathlib/Data/Nat/Factorial/Basic.lean
Nat.descFactorial_eq_zero_iff_lt
[ { "state_after": "no goals", "state_before": "n : ℕ\n⊢ descFactorial n 0 = 0 ↔ n < 0", "tactic": "simp only [descFactorial_zero, Nat.one_ne_zero, Nat.not_lt_zero]" }, { "state_after": "n k : ℕ\n⊢ n ≤ k → n ≠ k → n ≤ k", "state_before": "n k : ℕ\n⊢ descFactorial n (succ k) = 0 ↔ n < succ k", ...
[ 402, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 397, 1 ]
Mathlib/Data/List/Indexes.lean
List.foldlIdxSpec_cons
[]
[ 262, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 260, 1 ]
Std/Data/String/Lemmas.lean
String.revFind_of_valid
[ { "state_after": "no goals", "state_before": "p : Char → Bool\ns : String\n⊢ revFind s p =\n Option.map (fun x => { byteIdx := utf8Len x }) (List.tail? (List.dropWhile (fun x => !p x) (List.reverse s.data)))", "tactic": "simpa using revFindAux_of_valid p s.1.reverse []" } ]
[ 353, 51 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 351, 1 ]
Mathlib/Topology/UnitInterval.lean
unitInterval.one_minus_le_one
[ { "state_after": "no goals", "state_before": "x : ↑I\n⊢ 1 - ↑x ≤ 1", "tactic": "simpa using x.2.1" } ]
[ 152, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/Data/Set/Countable.lean
Set.Countable.image
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ns : Set α\nhs : Set.Countable s\nf : α → β\n⊢ Set.Countable (range fun x => f ↑x)", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ns : Set α\nhs : Set.Countable s\nf : α → β\n⊢ Set.Countable (f '' s)", "tactic": "rw [ima...
[ 137, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/LinearAlgebra/Dimension.lean
Basis.finite_index_of_rank_lt_aleph0
[]
[ 856, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 854, 1 ]
Std/Data/Array/Lemmas.lean
Array.get_set_eq
[ { "state_after": "no goals", "state_before": "α : Type ?u.14725\na : Array α\ni : Fin (size a)\nv : α\n⊢ i.val < size (set a i v)", "tactic": "simp [i.2]" }, { "state_after": "no goals", "state_before": "α : Type u_1\na : Array α\ni : Fin (size a)\nv : α\n⊢ (set a i v)[i.val] = v", "tact...
[ 89, 56 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 87, 9 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Inverse.lean
Real.arccos_inj
[]
[ 379, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Init/Data/Bool/Lemmas.lean
Bool.coe_true
[ { "state_after": "no goals", "state_before": "⊢ (true = true) = True", "tactic": "simp" } ]
[ 115, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Combinatorics/SimpleGraph/Prod.lean
SimpleGraph.Preconnected.ofBoxProdLeft
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.82005\nG : SimpleGraph α\nH : SimpleGraph β\ninst✝ : Nonempty β\nh : Preconnected (G □ H)\n⊢ Preconnected G", "tactic": "classical\nrintro a₁ a₂\nobtain ⟨w⟩ := h (a₁, Classical.arbitrary _) (a₂, Classical.arbitrary _)\...
[ 186, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 11 ]
Mathlib/Algebra/Lie/Submodule.lean
LieSubmodule.mem_coeSubmodule
[]
[ 106, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Analysis/Convex/Join.lean
convexJoin_empty_right
[ { "state_after": "no goals", "state_before": "ι : Sort ?u.18687\n𝕜 : Type u_2\nE : Type u_1\ninst✝² : OrderedSemiring 𝕜\ninst✝¹ : AddCommMonoid E\ninst✝ : Module 𝕜 E\ns✝ t s₁ s₂ t₁ t₂ u : Set E\nx y : E\ns : Set E\n⊢ convexJoin 𝕜 s ∅ = ∅", "tactic": "simp [convexJoin]" } ]
[ 66, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 66, 1 ]
Mathlib/Data/List/Permutation.lean
List.permutationsAux2_fst
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nt : α\nts : List α\nr : List β\ny : α\nys : List α\nf : List α → β\n⊢ (permutationsAux2 t ts r (y :: ys) f).fst = y :: ys ++ ts", "tactic": "simp [permutationsAux2, permutationsAux2_fst t _ _ ys]" } ]
[ 60, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 57, 1 ]
Mathlib/Analysis/Convex/SimplicialComplex/Basic.lean
Geometry.SimplicialComplex.faces_bot
[]
[ 255, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 255, 1 ]
Mathlib/Algebra/Polynomial/BigOperators.lean
Polynomial.natDegree_list_prod_le
[ { "state_after": "case nil\nR : Type u\nι : Type w\ns : Finset ι\nS : Type u_1\ninst✝ : Semiring S\n⊢ natDegree (List.prod []) ≤ List.sum (List.map natDegree [])\n\ncase cons\nR : Type u\nι : Type w\ns : Finset ι\nS : Type u_1\ninst✝ : Semiring S\nhd : S[X]\ntl : List S[X]\nIH : natDegree (List.prod tl) ≤ List....
[ 82, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Finset/NAry.lean
Finset.image₂_right
[ { "state_after": "α : Type u_2\nα' : Type ?u.69695\nβ : Type u_1\nβ' : Type ?u.69701\nγ : Type ?u.69704\nγ' : Type ?u.69707\nδ : Type ?u.69710\nδ' : Type ?u.69713\nε : Type ?u.69716\nε' : Type ?u.69719\nζ : Type ?u.69722\nζ' : Type ?u.69725\nν : Type ?u.69728\ninst✝⁸ : DecidableEq α'\ninst✝⁷ : DecidableEq β'\ni...
[ 368, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 365, 1 ]
Mathlib/Algebra/GradedMonoid.lean
SetLike.coe_gMul
[]
[ 544, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 541, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.isBigO_of_le
[]
[ 558, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 557, 1 ]
Mathlib/Analysis/InnerProductSpace/Calculus.lean
hasStrictFDerivAt_euclidean
[ { "state_after": "𝕜 : Type u_1\nι : Type u_3\nH : Type u_2\ninst✝³ : IsROrC 𝕜\ninst✝² : NormedAddCommGroup H\ninst✝¹ : NormedSpace 𝕜 H\ninst✝ : Fintype ι\nf : H → EuclideanSpace 𝕜 ι\nf' : H →L[𝕜] EuclideanSpace 𝕜 ι\nt : Set H\ny : H\n⊢ (∀ (i : ι),\n HasStrictFDerivAt (fun x => (↑(EuclideanSpace.equiv...
[ 326, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 322, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
norm_toNNReal'
[]
[ 900, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 899, 1 ]
Mathlib/Tactic/NormNum/Basic.lean
Mathlib.Meta.NormNum.isInt_eq_true
[]
[ 692, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 691, 1 ]
Mathlib/Algebra/BigOperators/Order.lean
Finset.prod_lt_prod_of_nonempty'
[ { "state_after": "case Hle\nι : Type u_1\nα : Type ?u.128549\nβ : Type ?u.128552\nM : Type u_2\nN : Type ?u.128558\nG : Type ?u.128561\nk : Type ?u.128564\nR : Type ?u.128567\ninst✝ : OrderedCancelCommMonoid M\nf g : ι → M\ns t : Finset ι\nhs : Finset.Nonempty s\nHlt : ∀ (i : ι), i ∈ s → f i < g i\n⊢ ∀ (i : ι),...
[ 456, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 450, 1 ]
Mathlib/Data/Polynomial/Degree/Lemmas.lean
Polynomial.coeff_pow_of_natDegree_le
[ { "state_after": "case zero\nR : Type u\nS : Type v\nι : Type w\na b : R\nm n : ℕ\ninst✝ : Semiring R\np q r : R[X]\npn : natDegree p ≤ n\n⊢ coeff (p ^ Nat.zero) (n * Nat.zero) = coeff p n ^ Nat.zero\n\ncase succ\nR : Type u\nS : Type v\nι : Type w\na b : R\nm✝ n : ℕ\ninst✝ : Semiring R\np q r : R[X]\npn : natD...
[ 184, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 178, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearEquiv.ext
[]
[ 1815, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1814, 1 ]
Mathlib/Analysis/Normed/Group/Quotient.lean
NormedAddGroupHom.isQuotientQuotient
[ { "state_after": "no goals", "state_before": "M : Type u_1\nN : Type ?u.464490\ninst✝¹ : SeminormedAddCommGroup M\ninst✝ : SeminormedAddCommGroup N\nS : AddSubgroup M\nm : M\n⊢ ‖↑(AddSubgroup.normedMk S) m‖ = sInf ((fun m_1 => ‖m + m_1‖) '' ↑(ker (AddSubgroup.normedMk S)))", "tactic": "simpa [S.ker_norm...
[ 378, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.ae_eq_trim_iff
[]
[ 1807, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1804, 1 ]
Mathlib/CategoryTheory/Sites/Canonical.lean
CategoryTheory.Sheaf.isSheaf_of_representable
[]
[ 228, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
Measurable.isGLB
[ { "state_after": "α : Type u_3\nβ : Type ?u.1210770\nγ : Type ?u.1210773\nγ₂ : Type ?u.1210776\nδ : Type u_2\nι✝ : Sort y\ns t u : Set α\ninst✝¹³ : TopologicalSpace α\ninst✝¹² : MeasurableSpace α\ninst✝¹¹ : BorelSpace α\ninst✝¹⁰ : TopologicalSpace β\ninst✝⁹ : MeasurableSpace β\ninst✝⁸ : BorelSpace β\ninst✝⁷ : T...
[ 1138, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1131, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.choose_mem
[]
[ 3060, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3059, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.subtypeDomain_add
[]
[ 510, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 508, 1 ]
Mathlib/Order/Bounds/Basic.lean
OrderTop.upperBounds_univ
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ninst✝³ : Preorder α\ninst✝² : Preorder β\ns t : Set α\na b : α\ninst✝¹ : PartialOrder γ\ninst✝ : OrderTop γ\n⊢ upperBounds univ = {⊤}", "tactic": "rw [isGreatest_univ.upperBounds_eq, Ici_top]" } ]
[ 812, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 811, 1 ]
Mathlib/GroupTheory/Subgroup/ZPowers.lean
Subgroup.zpowers_one_eq_bot
[]
[ 225, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 224, 1 ]
Mathlib/Data/Dfinsupp/Interval.lean
Dfinsupp.card_Ioc
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : ι → Type u_2\ninst✝⁴ : DecidableEq ι\ninst✝³ : (i : ι) → DecidableEq (α i)\ninst✝² : (i : ι) → PartialOrder (α i)\ninst✝¹ : (i : ι) → Zero (α i)\ninst✝ : (i : ι) → LocallyFiniteOrder (α i)\nf g : Π₀ (i : ι), α i\n⊢ card (Ioc f g) = ∏ i in suppo...
[ 190, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.NeBot.of_smul_filter
[]
[ 1221, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1220, 1 ]
Mathlib/Topology/FiberBundle/Constructions.lean
Bundle.Trivial.trivialization_source
[]
[ 88, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Probability/Kernel/Basic.lean
ProbabilityTheory.kernel.set_integral_restrict
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nι : Type ?u.1446410\nmα : MeasurableSpace α\nmβ : MeasurableSpace β\nκ : { x // x ∈ kernel α β }\ns t✝ : Set β\nE : Type u_1\ninst✝² : NormedAddCommGroup E\ninst✝¹ : NormedSpace ℝ E\ninst✝ : CompleteSpace E\nf : β → E\na : α\nhs : Mea...
[ 524, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 521, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.lf_of_lf_of_equiv
[]
[ 831, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 830, 1 ]
Mathlib/Data/Nat/Factors.lean
Nat.mem_factors_mul_left
[ { "state_after": "case inl\np b : ℕ\nhb : b ≠ 0\nhpa : p ∈ factors 0\n⊢ p ∈ factors (0 * b)\n\ncase inr\np a b : ℕ\nhpa : p ∈ factors a\nhb : b ≠ 0\nha : a ≠ 0\n⊢ p ∈ factors (a * b)", "state_before": "p a b : ℕ\nhpa : p ∈ factors a\nhb : b ≠ 0\n⊢ p ∈ factors (a * b)", "tactic": "rcases eq_or_ne a 0 wit...
[ 289, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/Order/Filter/Lift.lean
Filter.eventually_lift'_iff
[]
[ 270, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 268, 1 ]
Mathlib/Analysis/Complex/PhragmenLindelof.lean
PhragmenLindelof.eq_zero_on_quadrant_I
[]
[ 438, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 431, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.pow_subset_pow
[ { "state_after": "F : Type ?u.52486\nα : Type u_1\nβ : Type ?u.52492\nγ : Type ?u.52495\ninst✝ : Monoid α\ns t : Set α\na : α\nm n : ℕ\nhst : s ⊆ t\n⊢ 1 ⊆ t ^ 0", "state_before": "F : Type ?u.52486\nα : Type u_1\nβ : Type ?u.52492\nγ : Type ?u.52495\ninst✝ : Monoid α\ns t : Set α\na : α\nm n : ℕ\nhst : s ⊆ ...
[ 960, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 954, 1 ]
Mathlib/Analysis/LocallyConvex/AbsConvex.lean
AbsConvexOpenSets.coe_balanced
[]
[ 119, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.hasPullback_assoc_symm
[]
[ 2381, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2380, 1 ]
Mathlib/Data/Polynomial/Degree/TrailingDegree.lean
Polynomial.nextCoeffUp_C_eq_zero
[ { "state_after": "R : Type u\nS : Type v\na b : R\nn m : ℕ\ninst✝ : Semiring R\nc : R\n⊢ (if natTrailingDegree (↑C c) = 0 then 0 else coeff (↑C c) (natTrailingDegree (↑C c) + 1)) = 0", "state_before": "R : Type u\nS : Type v\na b : R\nn m : ℕ\ninst✝ : Semiring R\nc : R\n⊢ nextCoeffUp (↑C c) = 0", "tacti...
[ 490, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 488, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.HasBasis.disjoint_iff_right
[]
[ 735, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 733, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
IsLocalization.isLocalization_of_base_ringEquiv
[ { "state_after": "R : Type u_1\ninst✝⁴ : CommSemiring R\nM : Submonoid R\nS : Type u_2\ninst✝³ : CommSemiring S\ninst✝² : Algebra R S\nP : Type u_3\ninst✝¹ : CommSemiring P\ninst✝ : IsLocalization M S\nh : R ≃+* P\nthis : Algebra P S := RingHom.toAlgebra (RingHom.comp (algebraMap R S) (RingEquiv.toRingHom (Ring...
[ 801, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 780, 1 ]
Std/Data/List/Lemmas.lean
List.drop_suffix
[]
[ 1719, 28 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1718, 1 ]
Mathlib/RingTheory/Ideal/LocalRing.lean
LocalRing.maximalIdeal_eq_bot
[]
[ 534, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 533, 1 ]
Mathlib/CategoryTheory/Adjunction/Opposites.lean
CategoryTheory.Adjunction.leftAdjointUniq_trans_app
[ { "state_after": "C : Type u₁\ninst✝¹ : Category C\nD : Type u₂\ninst✝ : Category D\nF F' F'' : C ⥤ D\nG : D ⥤ C\nadj1 : F ⊣ G\nadj2 : F' ⊣ G\nadj3 : F'' ⊣ G\nx : C\n⊢ (leftAdjointUniq adj1 adj2).hom.app x ≫ (leftAdjointUniq adj2 adj3).hom.app x =\n ((leftAdjointUniq adj1 adj2).hom ≫ (leftAdjointUniq adj2 ad...
[ 202, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 197, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
LinearMap.toBilinAux_eq
[]
[ 504, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 502, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.natAdd_natAdd
[]
[ 1448, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1446, 1 ]
Mathlib/Algebra/Star/Pointwise.lean
Set.star_univ
[]
[ 49, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/GroupTheory/Submonoid/Basic.lean
Submonoid.dense_induction
[ { "state_after": "M : Type u_1\nN : Type ?u.25831\nA : Type ?u.25834\ninst✝¹ : MulOneClass M\ns✝ : Set M\ninst✝ : AddZeroClass A\nt : Set A\nS : Submonoid M\np : M → Prop\nx : M\ns : Set M\nhs : closure s = ⊤\nHs : ∀ (x : M), x ∈ s → p x\nH1 : p 1\nHmul : ∀ (x y : M), p x → p y → p (x * y)\nthis : ∀ (x : M), x ...
[ 491, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 488, 1 ]
Mathlib/Data/Fin/VecNotation.lean
Matrix.cons_eq_zero_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nm n o : ℕ\nm' : Type ?u.78559\nn' : Type ?u.78562\no' : Type ?u.78565\ninst✝ : Zero α\nv : Fin n → α\nx : α\nh : vecCons x v = 0\n⊢ v = 0", "tactic": "convert congr_arg vecTail h" }, { "state_after": "no goals", "state_before": "α : T...
[ 559, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 555, 1 ]
Mathlib/Topology/Sheaves/SheafCondition/UniqueGluing.lean
TopCat.Sheaf.existsUnique_gluing'
[ { "state_after": "C : Type u\ninst✝⁴ : Category C\ninst✝³ : ConcreteCategory C\ninst✝² : HasLimits C\ninst✝¹ : ReflectsIsomorphisms ConcreteCategory.forget\ninst✝ : PreservesLimits ConcreteCategory.forget\nX : TopCat\nF : Sheaf C X\nι : Type v\nU : ι → Opens ↑X\nV : Opens ↑X\niUV : (i : ι) → U i ⟶ V\nhcover : V...
[ 270, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
Mathlib/Data/List/Basic.lean
List.append_concat
[ { "state_after": "no goals", "state_before": "ι : Type ?u.25691\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁✝ l₂✝ : List α\na : α\nl₁ l₂ : List α\n⊢ l₁ ++ concat l₂ a = concat (l₁ ++ l₂) a", "tactic": "simp" } ]
[ 579, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/Analysis/InnerProductSpace/Orientation.lean
OrthonormalBasis.det_eq_neg_det_of_opposite_orientation
[ { "state_after": "E : Type u_1\ninst✝³ : NormedAddCommGroup E\ninst✝² : InnerProductSpace ℝ E\nι : Type u_2\ninst✝¹ : Fintype ι\ninst✝ : DecidableEq ι\nne : Nonempty ι\ne f : OrthonormalBasis ι ℝ E\nx : Orientation ℝ E ι\nh : Basis.orientation (OrthonormalBasis.toBasis e) ≠ Basis.orientation (OrthonormalBasis.t...
[ 99, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 94, 1 ]
Mathlib/Data/Int/ModEq.lean
Int.exists_unique_equiv
[ { "state_after": "m n a✝ b✝ c d a b : ℤ\nhb : 0 < b\nthis : a % b < abs b\n⊢ a % b < b", "state_before": "m n a✝ b✝ c d a b : ℤ\nhb : 0 < b\n⊢ a % b < b", "tactic": "have : a % b < |b| := emod_lt _ (ne_of_gt hb)" }, { "state_after": "no goals", "state_before": "m n a✝ b✝ c d a b : ℤ\nhb : 0 ...
[ 311, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 306, 1 ]
Mathlib/Data/Real/Cardinality.lean
Cardinal.not_countable_real
[ { "state_after": "c : ℝ\nf g : ℕ → Bool\nn : ℕ\n⊢ ℵ₀ < 𝔠", "state_before": "c : ℝ\nf g : ℕ → Bool\nn : ℕ\n⊢ ¬Set.Countable Set.univ", "tactic": "rw [← le_aleph0_iff_set_countable, not_le, mk_univ_real]" }, { "state_after": "no goals", "state_before": "c : ℝ\nf g : ℕ → Bool\nn : ℕ\n⊢ ℵ₀ < 𝔠...
[ 223, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 221, 1 ]