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start
list
Mathlib/RingTheory/JacobsonIdeal.lean
Ideal.isPrimary_of_isMaximal_radical
[ { "state_after": "R : Type u\nS : Type v\ninst✝ : CommRing R\nI : Ideal R\nhi : IsMaximal (radical I)\nthis : radical I = jacobson I\nx y : R\nhxy : x * y ∈ I\nx✝ : ∃ y_1, y_1 * y - 1 ∈ I\nz : R\nhz : z * y - 1 ∈ I\n⊢ z * (x * y) - x * (z * y - 1) ∈ I", "state_before": "R : Type u\nS : Type v\ninst✝ : CommR...
[ 411, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 401, 1 ]
Mathlib/Algebra/Order/UpperLower.lean
UpperSet.Ici_one
[]
[ 167, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 166, 1 ]
Mathlib/CategoryTheory/Quotient.lean
CategoryTheory.Quotient.lift.isLift_inv
[]
[ 214, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
ContDiffAt.neg
[ { "state_after": "𝕜 : Type u_1\ninst✝¹⁰ : NontriviallyNormedField 𝕜\nD : Type uD\ninst✝⁹ : NormedAddCommGroup D\ninst✝⁸ : NormedSpace 𝕜 D\nE : Type uE\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type uG\ninst✝³ : Normed...
[ 1275, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1274, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.natDegree_X_le
[]
[ 480, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 479, 1 ]
Mathlib/LinearAlgebra/Basis.lean
Basis.repr_total
[ { "state_after": "ι : Type u_1\nι' : Type ?u.48934\nR : Type u_2\nR₂ : Type ?u.48940\nK : Type ?u.48943\nM : Type u_3\nM' : Type ?u.48949\nM'' : Type ?u.48952\nV : Type u\nV' : Type ?u.48957\ninst✝⁴ : Semiring R\ninst✝³ : AddCommMonoid M\ninst✝² : Module R M\ninst✝¹ : AddCommMonoid M'\ninst✝ : Module R M'\nb b₁...
[ 183, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 1 ]
Std/Data/Nat/Lemmas.lean
Nat.lt_le_antisymm
[]
[ 348, 23 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 347, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Angle.lean
Real.Angle.sin_ne_zero_iff
[ { "state_after": "no goals", "state_before": "θ : Angle\n⊢ sin θ ≠ 0 ↔ θ ≠ 0 ∧ θ ≠ ↑π", "tactic": "rw [← not_or, ← sin_eq_zero_iff]" } ]
[ 372, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 371, 1 ]
Mathlib/Data/List/Sort.lean
List.Sorted.nodup
[]
[ 80, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 78, 11 ]
Mathlib/Algebra/Quaternion.lean
QuaternionAlgebra.imK_star
[]
[ 631, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 630, 1 ]
Mathlib/RingTheory/Int/Basic.lean
Int.gcd_eq_natAbs
[]
[ 186, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 185, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.union_sdiff_left
[]
[ 2130, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2129, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.ringHom_ext'
[]
[ 469, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 467, 1 ]
Mathlib/Data/Nat/Interval.lean
Nat.multiset_Ico_map_mod
[ { "state_after": "case h.e'_2\na✝ b c n a : ℕ\n⊢ Multiset.map (fun x => x % a) (Multiset.Ico n (n + a)) = (image (fun x => x % a) (Finset.Ico n (n + a))).val", "state_before": "a✝ b c n a : ℕ\n⊢ Multiset.map (fun x => x % a) (Multiset.Ico n (n + a)) = Multiset.range a", "tactic": "convert congr_arg Fins...
[ 318, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/NumberTheory/LucasLehmer.lean
LucasLehmer.X.int_coe_fst
[]
[ 323, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 322, 1 ]
Std/Data/Option/Init/Lemmas.lean
Option.map_some'
[]
[ 20, 79 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 20, 9 ]
Mathlib/LinearAlgebra/FiniteDimensional.lean
FiniteDimensional.finrank_eq_rank'
[]
[ 194, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 193, 1 ]
Mathlib/GroupTheory/Complement.lean
Subgroup.isComplement'_of_disjoint_and_mul_eq_univ
[ { "state_after": "G : Type u_1\ninst✝ : Group G\nH K : Subgroup G\nS T : Set G\nh1 : Disjoint H K\nh2 : ↑H * ↑K = Set.univ\ng : G\n⊢ ∃ a, (fun x => ↑x.fst * ↑x.snd) a = g", "state_before": "G : Type u_1\ninst✝ : Group G\nH K : Subgroup G\nS T : Set G\nh1 : Disjoint H K\nh2 : ↑H * ↑K = Set.univ\n⊢ IsCompleme...
[ 532, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 528, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.IsBigO.mono
[]
[ 452, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 451, 1 ]
Mathlib/Algebra/Ring/Defs.lean
distrib_three_right
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nR : Type x\ninst✝² : Mul R\ninst✝¹ : Add R\ninst✝ : RightDistribClass R\na b c d : R\n⊢ (a + b + c) * d = a * d + b * d + c * d", "tactic": "simp [right_distrib]" } ]
[ 98, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Deriv.lean
ContDiffAt.rpow
[]
[ 508, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 506, 1 ]
Mathlib/Tactic/Ring/Basic.lean
Mathlib.Tactic.Ring.sub_pf
[ { "state_after": "u : Lean.Level\nR✝ : Type ?u.219701\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝¹ : CommSemiring R✝\nR : Type u_1\ninst✝ : Ring R\na b : R\n⊢ a - b = a + -b", "state_before": "u : Lean.Level\nR✝ : Type ?u.219701\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝¹ : CommSemiring R✝\nR : T...
[ 572, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 571, 1 ]
Mathlib/Data/Set/Opposite.lean
Set.singleton_unop
[ { "state_after": "case h\nα : Type u_1\nx : αᵒᵖ\nx✝ : α\n⊢ x✝ ∈ Set.unop {x} ↔ x✝ ∈ {x.unop}", "state_before": "α : Type u_1\nx : αᵒᵖ\n⊢ Set.unop {x} = {x.unop}", "tactic": "ext" }, { "state_after": "case h.mp\nα : Type u_1\nx : αᵒᵖ\nx✝ : α\n⊢ x✝ ∈ Set.unop {x} → x✝ ∈ {x.unop}\n\ncase h.mpr\nα :...
[ 92, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Ordinal.lift.initialSeg_coe
[]
[ 842, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 841, 1 ]
Mathlib/Data/Set/Function.lean
Set.range_extend_subset
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nγ : Type u_1\nι : Sort ?u.4057\nπ : α → Type ?u.4062\nf : α → β\ng : α → γ\ng' : β → γ\n⊢ range (extend f g g') ⊆ range g ∪ g' '' range fᶜ", "tactic": "classical\nrintro _ ⟨y, rfl⟩\nrw [extend_def]\nsplit_ifs with h\nexacts [Or.in...
[ 139, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
inv_mul_lt_one_iff
[ { "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 * 1 ↔ b < a", "tactic": "rw [mul_one]" } ]
[ 206, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 205, 1 ]
Mathlib/Data/Set/Ncard.lean
Set.ncard_strictMono
[]
[ 350, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 349, 1 ]
Mathlib/Analysis/Convex/Between.lean
affineSegment_comm
[ { "state_after": "R : Type u_2\nV : Type u_3\nV' : Type ?u.8362\nP : Type u_1\nP' : Type ?u.8368\ninst✝⁶ : OrderedRing R\ninst✝⁵ : AddCommGroup V\ninst✝⁴ : Module R V\ninst✝³ : AddTorsor V P\ninst✝² : AddCommGroup V'\ninst✝¹ : Module R V'\ninst✝ : AddTorsor V' P'\nx y z : P\n⊢ z ∈ affineSegment R x y ↔ z ∈ affi...
[ 61, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Algebra/Order/SMul.lean
smul_upperBounds_subset_upperBounds_smul
[]
[ 152, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Data/Vector/Basic.lean
Vector.insertNth_val
[]
[ 529, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 527, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.mem_bind'
[]
[ 2736, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2734, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.zero_lt_of_ne_zero
[ { "state_after": "no goals", "state_before": "a : Nat\nh : a ≠ 0\n⊢ 0 < a", "tactic": "match a with\n| 0 => contradiction\n| a+1 => apply Nat.zero_lt_succ" }, { "state_after": "no goals", "state_before": "a : Nat\nh : 0 ≠ 0\n⊢ 0 < 0", "tactic": "contradiction" }, { "state_after":...
[ 325, 34 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 322, 1 ]
Mathlib/LinearAlgebra/StdBasis.lean
LinearMap.stdBasis_same
[]
[ 71, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/LinearAlgebra/Finsupp.lean
Finsupp.total_fin_zero
[ { "state_after": "case h.h\nα : Type ?u.435535\nM : Type u_1\nN : Type ?u.435541\nP : Type ?u.435544\nR : Type u_2\nS : Type ?u.435550\ninst✝¹² : Semiring R\ninst✝¹¹ : Semiring S\ninst✝¹⁰ : AddCommMonoid M\ninst✝⁹ : Module R M\ninst✝⁸ : AddCommMonoid N\ninst✝⁷ : Module R N\ninst✝⁶ : AddCommMonoid P\ninst✝⁵ : Mo...
[ 719, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 717, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
inner_map_polarization'
[ { "state_after": "𝕜 : Type ?u.2732526\nE : Type ?u.2732529\nF : Type ?u.2732532\ninst✝⁶ : IsROrC 𝕜\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : InnerProductSpace 𝕜 E\ninst✝³ : NormedAddCommGroup F\ninst✝² : InnerProductSpace ℝ F\ndec_E : DecidableEq E\nV : Type u_1\ninst✝¹ : NormedAddCommGroup V\ninst✝ : InnerPr...
[ 1238, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1229, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.restrictₗ_apply
[]
[ 1503, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1501, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.le_centralizer_iff_isCommutative
[]
[ 2392, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2390, 1 ]
Mathlib/Algebra/Group/Units.lean
Units.mul_inv_eq_iff_eq_mul
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝ : Monoid α\na✝ b c✝ u : αˣ\na c : α\nh : a * ↑b⁻¹ = c\n⊢ a = c * ↑b", "tactic": "rw [← h, inv_mul_cancel_right]" }, { "state_after": "no goals", "state_before": "α : Type u\ninst✝ : Monoid α\na✝ b c✝ u : αˣ\na c : α\nh : a = c *...
[ 341, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.add_one_le_iff
[ { "state_after": "case zero\nn m : ℕ\nk : Fin (zero + 1)\n⊢ k + 1 ≤ k ↔ k = last zero\n\ncase succ\nn m n✝ : ℕ\nk : Fin (Nat.succ n✝ + 1)\n⊢ k + 1 ≤ k ↔ k = last (Nat.succ n✝)", "state_before": "n✝ m n : ℕ\nk : Fin (n + 1)\n⊢ k + 1 ≤ k ↔ k = last n", "tactic": "cases n" }, { "state_after": "case...
[ 973, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 963, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_eq_empty
[]
[ 363, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Topology/LocalExtr.lean
IsLocalMax.comp_continuous
[]
[ 311, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 309, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Deriv.lean
fderiv_ccos
[]
[ 347, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Mathlib/Combinatorics/SimpleGraph/AdjMatrix.lean
Matrix.compl_apply_diag
[ { "state_after": "no goals", "state_before": "V : Type u_2\nα : Type u_1\nβ : Type ?u.12260\ninst✝³ : DecidableEq α\ninst✝² : DecidableEq V\nA : Matrix V V α\ninst✝¹ : Zero α\ninst✝ : One α\ni : V\n⊢ compl A i i = 0", "tactic": "simp [compl]" } ]
[ 108, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/AlgebraicTopology/DoldKan/SplitSimplicialObject.lean
SimplicialObject.Splitting.ι_πSummand_eq_id
[ { "state_after": "C : Type u_2\ninst✝² : Category C\ninst✝¹ : HasFiniteCoproducts C\nX : SimplicialObject C\ns : Splitting X\ninst✝ : HasZeroMorphisms C\nΔ : SimplexCategoryᵒᵖ\nA : IndexSet Δ\n⊢ ((ιCoprod s.N A ≫ map X s.ι Δ) ≫\n inv (map X s.ι Δ) ≫\n Sigma.desc fun B =>\n if h : B = A then...
[ 54, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 48, 1 ]
Mathlib/Data/Complex/Module.lean
skewAdjoint.I_smul_neg_I
[ { "state_after": "no goals", "state_before": "A : Type u_1\ninst✝³ : AddCommGroup A\ninst✝² : Module ℂ A\ninst✝¹ : StarAddMonoid A\ninst✝ : StarModule ℂ A\na : { x // x ∈ skewAdjoint A }\n⊢ I • ↑(↑negISMul a) = ↑a", "tactic": "simp only [smul_smul, skewAdjoint.negISMul_apply_coe, neg_smul, smul_neg, I_m...
[ 429, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 427, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.union_def
[]
[ 1695, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1694, 1 ]
Mathlib/Analysis/Asymptotics/AsymptoticEquivalent.lean
Asymptotics.isEquivalent_iff_tendsto_one
[ { "state_after": "case mp\nα : Type u_1\nβ : Type u_2\ninst✝ : NormedField β\nt u v w : α → β\nl : Filter α\nhz : ∀ᶠ (x : α) in l, v x ≠ 0\n⊢ u ~[l] v → Tendsto (u / v) l (𝓝 1)\n\ncase mpr\nα : Type u_1\nβ : Type u_2\ninst✝ : NormedField β\nt u v w : α → β\nl : Filter α\nhz : ∀ᶠ (x : α) in l, v x ≠ 0\n⊢ Tendst...
[ 236, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/LinearAlgebra/Basis.lean
Basis.ofEquivFun_equivFun
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nι' : Type ?u.694515\nR : Type u_2\nR₂ : Type ?u.694521\nK : Type ?u.694524\nM : Type u_3\nM' : Type ?u.694530\nM'' : Type ?u.694533\nV : Type u\nV' : Type ?u.694538\ninst✝⁵ : Semiring R\ninst✝⁴ : AddCommMonoid M\ninst✝³ : Module R M\ninst✝² : AddCo...
[ 980, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 975, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.eval₂_finset_prod
[]
[ 1114, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1112, 1 ]
Mathlib/Algebra/DirectSum/Basic.lean
DirectSum.fromAddMonoid_of
[ { "state_after": "ι : Type v\ndec_ι : DecidableEq ι\nβ : ι → Type w\ninst✝¹ : (i : ι) → AddCommMonoid (β i)\nγ : Type u₁\ninst✝ : AddCommMonoid γ\ni : ι\nf : γ →+ β i\n⊢ ↑(↑AddMonoidHom.compHom (of β i)) f = AddMonoidHom.comp (of β i) f", "state_before": "ι : Type v\ndec_ι : DecidableEq ι\nβ : ι → Type w\ni...
[ 232, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 230, 1 ]
Mathlib/MeasureTheory/Function/SpecialFunctions/IsROrC.lean
aemeasurable_of_re_im
[ { "state_after": "case h.e'_5.h\nα : Type u_1\n𝕜 : Type u_2\ninst✝¹ : IsROrC 𝕜\ninst✝ : MeasurableSpace α\nf : α → 𝕜\nμ : MeasureTheory.Measure α\nhre : AEMeasurable fun x => ↑IsROrC.re (f x)\nhim : AEMeasurable fun x => ↑IsROrC.im (f x)\nx✝ : α\n⊢ f x✝ = (IsROrC.ofReal ∘ fun x => ↑IsROrC.re (f x)) x✝ + (IsR...
[ 86, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.iUnion_mono
[]
[ 259, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 256, 1 ]
Mathlib/Data/Matrix/Rank.lean
Matrix.rank_eq_finrank_range_toLin
[ { "state_after": "l : Type ?u.189630\nm : Type u_5\nn : Type u_1\no : Type ?u.189639\nR : Type u_4\nm_fin : Fintype m\ninst✝⁷ : Fintype n\ninst✝⁶ : Fintype o\ninst✝⁵ : CommRing R\ninst✝⁴ : DecidableEq n\nM₁ : Type u_2\nM₂ : Type u_3\ninst✝³ : AddCommGroup M₁\ninst✝² : AddCommGroup M₂\ninst✝¹ : Module R M₁\ninst...
[ 147, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
ContDiffAt.fst'
[]
[ 780, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 778, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.liftRel_pure_left
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nR : α → β → Prop\na : α\ncb : Computation β\nx✝ : ∃ b, b ∈ cb ∧ R a b\nb : β\nmb : b ∈ cb\nab : R a b\na' : α\nma' : a' ∈ pure a\n⊢ ∃ b, b ∈ cb ∧ R a b", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nR : α → β → Prop\na : α\ncb : Computation β\nx✝...
[ 1183, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1179, 1 ]
Mathlib/Data/Set/Image.lean
Set.insert_image_compl_eq_range
[ { "state_after": "case h\nα : Type u_2\nβ : Type u_1\nγ : Type ?u.73337\nι : Sort ?u.73340\nι' : Sort ?u.73343\nf✝ : ι → α\ns t : Set α\nf : α → β\nx : α\ny : β\n⊢ y ∈ insert (f x) (f '' {x}ᶜ) ↔ y ∈ range f", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.73337\nι : Sort ?u.73340\nι' : Sort ?u.733...
[ 777, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 764, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Basic.lean
WithTop.sInf_eq
[]
[ 71, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/Algebra/Homology/Additive.lean
ChainComplex.single₀MapHomologicalComplex_hom_app_zero
[]
[ 374, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 372, 1 ]
Mathlib/Topology/ContinuousFunction/Compact.lean
BoundedContinuousFunction.norm_toContinuousMap_eq
[]
[ 194, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 192, 1 ]
Mathlib/Algebra/Order/ToIntervalMod.lean
toIocMod_periodic
[]
[ 754, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 753, 1 ]
Mathlib/Data/Set/Intervals/OrdConnectedComponent.lean
Set.ordSeparatingSet_comm
[]
[ 175, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 1 ]
Mathlib/CategoryTheory/Arrow.lean
CategoryTheory.Arrow.square_from_iso_invert
[ { "state_after": "no goals", "state_before": "T : Type u\ninst✝ : Category T\nX Y : T\ni : X ≅ Y\np : Arrow T\nsq : mk i.hom ⟶ p\n⊢ i.inv ≫ sq.left ≫ p.hom = sq.right", "tactic": "simp only [Iso.inv_hom_id_assoc, Arrow.w, Arrow.mk_hom]" } ]
[ 267, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 266, 1 ]
Std/Data/AssocList.lean
Std.AssocList.contains_eq
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\ninst✝ : BEq α\na : α\nl : AssocList α β\n⊢ contains a l = List.any (toList l) fun x => x.fst == a", "tactic": "induction l <;> simp [*, contains]" } ]
[ 152, 37 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 150, 9 ]
Mathlib/Topology/Basic.lean
IsClosed.frontier_eq
[ { "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 α\nhs : IsClosed s\n⊢ frontier s = s \\ interior s", "tactic": "rw [frontier, hs.closure_eq]" } ]
[ 757, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 756, 1 ]
Mathlib/Algebra/Group/Commute.lean
Commute.units_val
[]
[ 247, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 246, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.continuousOn_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.101995\nι : Type ?u.101998\ninst✝¹ : PseudoMetricSpace α\nx y z : α\nδ ε ε₁ ε₂ : ℝ\ns✝ : Set α\ninst✝ : PseudoMetricSpace β\nf : α → β\ns : Set α\n⊢ ContinuousOn f s ↔\n ∀ (b : α), b ∈ s → ∀ (ε : ℝ), ε > 0 → ∃ δ, δ > 0 ∧ ∀ ...
[ 1065, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1063, 1 ]
Mathlib/Algebra/MonoidAlgebra/Basic.lean
MonoidAlgebra.lift_symm_apply
[]
[ 913, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 911, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.mem_of_mem_odd
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nδ : Type w\na : α\ns : Stream' α\nx✝ : a ∈ odd s\nn : ℕ\nh : (fun b => a = b) (nth (odd s) n)\n⊢ (fun b => a = b) (nth s (2 * n + 1))", "tactic": "rw [h, nth_odd]" } ]
[ 519, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 518, 1 ]
Mathlib/Topology/Algebra/Module/Multilinear.lean
ContinuousMultilinearMap.toMultilinearMap_add
[]
[ 209, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 207, 1 ]
Mathlib/Order/BoundedOrder.lean
top_le_iff
[]
[ 159, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.exists_gt
[ { "state_after": "α : Type u_1\ninst✝ : LinearOrderedField α\nf : CauSeq α abs\nK : α\nH : ∀ (i : ℕ), abs (↑f i) < K\ni : ℕ\nx✝ : i ≥ 0\n⊢ ↑f i ≤ K", "state_before": "α : Type u_1\ninst✝ : LinearOrderedField α\nf : CauSeq α abs\nK : α\nH : ∀ (i : ℕ), abs (↑f i) < K\ni : ℕ\nx✝ : i ≥ 0\n⊢ 1 ≤ ↑(const (K + 1) ...
[ 804, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 800, 1 ]
Mathlib/Geometry/Manifold/ChartedSpace.lean
hasGroupoid_of_le
[]
[ 877, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 875, 1 ]
Mathlib/Computability/TuringMachine.lean
Turing.Tape.move_right_left
[ { "state_after": "case mk\nΓ : Type u_1\ninst✝ : Inhabited Γ\nhead✝ : Γ\nleft✝ right✝ : ListBlank Γ\n⊢ move Dir.left (move Dir.right { head := head✝, left := left✝, right := right✝ }) =\n { head := head✝, left := left✝, right := right✝ }", "state_before": "Γ : Type u_1\ninst✝ : Inhabited Γ\nT : Tape Γ\n⊢...
[ 544, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 542, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.aleph_toPartENat
[]
[ 311, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 310, 1 ]
Mathlib/Topology/Basic.lean
accPt_iff_nhds
[ { "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\nx : α\nC : Set α\n⊢ AccPt x (𝓟 C) ↔ ∀ (U : Set α), U ∈ 𝓝 x → ∃ y, y ∈ U ∩ C ∧ y ≠ x", "tactic": "simp [acc_principal_iff_cluster, clusterPt_princi...
[ 1185, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1183, 1 ]
Mathlib/Logic/Basic.lean
heq_rec_iff_heq
[ { "state_after": "α : Sort u_1\nβ : Sort u_2\na : α\nC : α → Sort u_2\nx : β\ny : C a\n⊢ HEq x ((_ : a = a) ▸ y) ↔ HEq x y", "state_before": "α : Sort u_1\nβ : Sort u_2\na b : α\nC : α → Sort u_2\nx : β\ny : C a\ne : a = b\n⊢ HEq x (e ▸ y) ↔ HEq x y", "tactic": "subst e" }, { "state_after": "no ...
[ 574, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 573, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.eval_sum
[]
[ 1158, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1156, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.hasSum_toReal
[ { "state_after": "case intro\nα : Type u_1\nβ : Type ?u.307697\nγ : Type ?u.307700\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nx y z ε ε₁ ε₂ : ℝ≥0∞\ns : Set ℝ≥0∞\nf : α → ℝ≥0\nhsum : (∑' (x : α), (fun i => ↑(f i)) x) ≠ ⊤\n⊢ HasSum (fun x => ENNReal.toReal ((fun i => ↑(f i)) x)) (∑' (x : α), ENNReal.toReal ((fun i => ↑(f i)) ...
[ 1087, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1083, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.card_commonNeighbors_le_degree_left
[ { "state_after": "ι : Sort ?u.297010\n𝕜 : Type ?u.297013\nV : Type u\nW : Type v\nX : Type w\nG : SimpleGraph V\nG' : SimpleGraph W\na b c u v✝ w✝ : V\ne : Sym2 V\ninst✝¹ : Fintype V\ninst✝ : DecidableRel G.Adj\nv w : V\n⊢ Fintype.card ↑(commonNeighbors G v w) ≤ Fintype.card ↑(neighborSet G v)", "state_bef...
[ 1600, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1597, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.disjoint_of_le_left
[]
[ 2925, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2924, 1 ]
Mathlib/Data/List/Basic.lean
List.concat_ne_nil
[ { "state_after": "no goals", "state_before": "ι : Type ?u.24771\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\na : α\nl : List α\n⊢ concat l a ≠ []", "tactic": "simp" } ]
[ 568, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 568, 1 ]
Mathlib/Order/JordanHolder.lean
CompositionSeries.snoc_castSucc
[]
[ 572, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 570, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.compl_iSup₂
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.85112\nγ : Type ?u.85115\nι : Sort u_2\nκ : ι → Sort u_3\ninst✝ : LE α\ns t : UpperSet α\na : α\nf : (i : ι) → κ i → UpperSet α\n⊢ compl (⨆ (i : ι) (j : κ i), f i j) = ⨆ (i : ι) (j : κ i), compl (f i j)", "tactic": "simp_rw [UpperSe...
[ 858, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 857, 1 ]
Mathlib/Order/Compare.lean
Ordering.Compares.ne_gt
[]
[ 108, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/CommSq.lean
CategoryTheory.CommSq.cocone_inl
[]
[ 93, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.mem_div
[]
[ 604, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 603, 1 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometryEquiv.bijective
[]
[ 990, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 989, 11 ]
Mathlib/Data/Polynomial/RingDivision.lean
Polynomial.count_map_roots_of_injective
[ { "state_after": "case pos\nR : Type u\nS : Type v\nT : Type w\na b✝ : R\nn : ℕ\nA : Type u_1\nB : Type u_2\ninst✝² : CommRing A\ninst✝¹ : CommRing B\ninst✝ : IsDomain A\np : A[X]\nf : A →+* B\nhf : Function.Injective ↑f\nb : B\nhp0 : p = 0\n⊢ Multiset.count b (Multiset.map (↑f) (roots p)) ≤ rootMultiplicity b ...
[ 1179, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1173, 1 ]
Mathlib/SetTheory/Ordinal/Exponential.lean
Ordinal.lt_opow_of_limit
[ { "state_after": "a b c : Ordinal\nb0 : b ≠ 0\nh : IsLimit c\n⊢ ¬a < b ^ c ↔ ∀ (x : Ordinal), ¬(x < c ∧ a < b ^ x)", "state_before": "a b c : Ordinal\nb0 : b ≠ 0\nh : IsLimit c\n⊢ a < b ^ c ↔ ∃ c', c' < c ∧ a < b ^ c'", "tactic": "rw [← not_iff_not, not_exists]" }, { "state_after": "no goals", ...
[ 76, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/Algebra/MonoidAlgebra/Basic.lean
MonoidAlgebra.single_mul_apply
[]
[ 1058, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1056, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.fromEdgeSet_empty
[ { "state_after": "case Adj.h.h.a\nι : Sort ?u.82740\n𝕜 : Type ?u.82743\nV : Type u\nW : Type v\nX : Type w\nG : SimpleGraph V\nG' : SimpleGraph W\na b c u v✝ w✝ : V\ne : Sym2 V\ns : Set (Sym2 V)\nv w : V\n⊢ Adj (fromEdgeSet ∅) v w ↔ Adj ⊥ v w", "state_before": "ι : Sort ?u.82740\n𝕜 : Type ?u.82743\nV : Ty...
[ 639, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 637, 1 ]
Mathlib/Data/Num/Lemmas.lean
Num.zero_add
[ { "state_after": "no goals", "state_before": "α : Type ?u.173311\nn : Num\n⊢ 0 + n = n", "tactic": "cases n <;> rfl" } ]
[ 213, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/AlgebraicGeometry/LocallyRingedSpace.lean
AlgebraicGeometry.LocallyRingedSpace.comp_val_c_app
[]
[ 188, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 186, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/BinaryProducts.lean
CategoryTheory.Limits.coprod.diag_comp
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝¹ : Category C\nX✝ Y✝ X Y : C\ninst✝ : HasBinaryCoproduct X X\nf : X ⟶ Y\n⊢ codiag X ≫ f = desc f f", "tactic": "simp" } ]
[ 838, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 837, 1 ]
Mathlib/Analysis/SpecialFunctions/Log/Basic.lean
Real.log_le_sub_one_of_pos
[ { "state_after": "x✝ y x : ℝ\nhx : 0 < x\n⊢ log x + 1 ≤ x", "state_before": "x✝ y x : ℝ\nhx : 0 < x\n⊢ log x ≤ x - 1", "tactic": "rw [le_sub_iff_add_le]" }, { "state_after": "case h.e'_4\nx✝ y x : ℝ\nhx : 0 < x\n⊢ x = exp (log x)", "state_before": "x✝ y x : ℝ\nhx : 0 < x\n⊢ log x + 1 ≤ x", ...
[ 274, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 271, 1 ]
Mathlib/Analysis/NormedSpace/lpSpace.lean
lp.coeFn_neg
[]
[ 369, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 368, 1 ]
Mathlib/Data/List/Nodup.lean
List.not_nodup_pair
[]
[ 84, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/LinearAlgebra/SesquilinearForm.lean
LinearMap.IsSymm.isRefl
[ { "state_after": "R : Type u_1\nR₁ : Type ?u.159549\nR₂ : Type ?u.159552\nR₃ : Type ?u.159555\nM : Type u_2\nM₁ : Type ?u.159561\nM₂ : Type ?u.159564\nMₗ₁ : Type ?u.159567\nMₗ₁' : Type ?u.159570\nMₗ₂ : Type ?u.159573\nMₗ₂' : Type ?u.159576\nK : Type ?u.159579\nK₁ : Type ?u.159582\nK₂ : Type ?u.159585\nV : Type ...
[ 232, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 230, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.reachable
[]
[ 1861, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1860, 11 ]
Mathlib/Analysis/SpecialFunctions/Pow/Deriv.lean
deriv_rpow_const
[]
[ 601, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 599, 1 ]