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start
list
Mathlib/Data/IsROrC/Basic.lean
IsROrC.normSq_one
[]
[ 480, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 479, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Subspace.quotAnnihilatorEquiv_apply
[ { "state_after": "case h\nK : Type u\nV : Type v\ninst✝² : Field K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nW✝ W : Subspace K V\nφ : Module.Dual K V\nx✝ : { x // x ∈ W }\n⊢ ↑(↑(quotAnnihilatorEquiv W) (Submodule.Quotient.mk φ)) x✝ = ↑(↑(dualRestrict W) φ) x✝", "state_before": "K : Type u\nV : Type v\ni...
[ 1067, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1064, 1 ]
Mathlib/Data/Polynomial/RingDivision.lean
Polynomial.natDegree_coe_units
[]
[ 850, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 849, 1 ]
Mathlib/LinearAlgebra/UnitaryGroup.lean
Matrix.det_of_mem_unitary
[ { "state_after": "case left\nn : Type u\ninst✝³ : DecidableEq n\ninst✝² : Fintype n\nα : Type v\ninst✝¹ : CommRing α\ninst✝ : StarRing α\nA✝ A : Matrix n n α\nhA : A ∈ unitaryGroup n α\n⊢ star (det A) * det A = 1\n\ncase right\nn : Type u\ninst✝³ : DecidableEq n\ninst✝² : Fintype n\nα : Type v\ninst✝¹ : CommRin...
[ 83, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Algebra/Module/LocalizedModule.lean
IsLocalizedModule.mk_eq_mk'
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝⁷ : CommRing R\nS : Submonoid R\nM : Type u_2\nM' : Type ?u.925325\nM'' : Type ?u.925328\ninst✝⁶ : AddCommMonoid M\ninst✝⁵ : AddCommMonoid M'\ninst✝⁴ : AddCommMonoid M''\ninst✝³ : Module R M\ninst✝² : Module R M'\ninst✝¹ : Module R M''\nf : M ...
[ 1039, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1036, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.measureUnivNNReal_eq_zero
[ { "state_after": "α : Type u_1\nβ : Type ?u.617950\nγ : Type ?u.617953\nδ : Type ?u.617956\nι : Type ?u.617959\nR : Type ?u.617962\nR' : Type ?u.617965\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set α\ninst✝ : IsFiniteMeasure μ\n⊢...
[ 3139, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3137, 1 ]
Mathlib/ModelTheory/Definability.lean
Set.definable_finset_inf
[ { "state_after": "no goals", "state_before": "M : Type w\nA : Set M\nL : Language\ninst✝ : Structure L M\nα : Type u₁\nβ : Type ?u.13116\nB : Set M\ns✝ : Set (α → M)\nι : Type u_1\nf : ι → Set (α → M)\nhf : ∀ (i : ι), Definable A L (f i)\ns : Finset ι\n⊢ Definable A L (Finset.inf s f)", "tactic": "class...
[ 117, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/Data/Setoid/Basic.lean
Setoid.ker_apply_mk_out'
[]
[ 114, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/Algebra/Order/Ring/Lemmas.lean
Left.mul_le_one_of_le_of_le
[]
[ 725, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 723, 1 ]
Mathlib/Topology/Bornology/Hom.lean
LocallyBoundedMap.coe_comp
[]
[ 169, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Data/List/Func.lean
List.Func.eq_of_equiv
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\na : α\nas as1 as2 as3 : List α\ninst✝¹ : Inhabited α\ninst✝ : Inhabited β\nhead✝ : α\ntail✝ : List α\nh1 : length (head✝ :: tail✝) = length []\nx✝ : Equiv (head✝ :: tail✝) []\n⊢ head✝ :: tail✝ = []", "tactic": "cases h1" ...
[ 252, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 242, 1 ]
Mathlib/Topology/Sets/Compacts.lean
TopologicalSpace.CompactOpens.coe_top
[]
[ 554, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 553, 1 ]
Mathlib/Data/Complex/Basic.lean
Complex.nat_cast_im
[ { "state_after": "no goals", "state_before": "n : ℕ\n⊢ (↑n).im = 0", "tactic": "rw [← ofReal_nat_cast, ofReal_im]" } ]
[ 843, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 843, 1 ]
Mathlib/Data/Bundle.lean
Bundle.coe_snd_map_smul
[]
[ 181, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Mul.lean
DifferentiableWithinAt.const_mul
[]
[ 480, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 478, 1 ]
Mathlib/GroupTheory/GroupAction/Defs.lean
SMulCommClass.symm
[]
[ 224, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 222, 1 ]
Mathlib/Algebra/Category/GroupCat/EpiMono.lean
GroupCat.SurjectiveOfEpiAuxs.g_apply_infinity
[]
[ 257, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
Mathlib/CategoryTheory/Sites/Sieves.lean
CategoryTheory.Sieve.generate_of_contains_isSplitEpi
[ { "state_after": "C : Type u₁\ninst✝² : Category C\nD : Type u₂\ninst✝¹ : Category D\nF : C ⥤ D\nX Y Z : C\nf✝ : Y ⟶ X\nS R✝ : Sieve X\nR : Presieve X\nf : Y ⟶ X\ninst✝ : IsSplitEpi f\nhf : R f\n⊢ (generate R).arrows (𝟙 X)", "state_before": "C : Type u₁\ninst✝² : Category C\nD : Type u₂\ninst✝¹ : Category ...
[ 439, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 436, 1 ]
Mathlib/Analysis/Normed/Group/Hom.lean
NormedAddGroupHom.le_of_opNorm_le
[ { "state_after": "no goals", "state_before": "V : Type ?u.229529\nV₁ : Type u_1\nV₂ : Type u_2\nV₃ : Type ?u.229538\ninst✝³ : SeminormedAddCommGroup V\ninst✝² : SeminormedAddCommGroup V₁\ninst✝¹ : SeminormedAddCommGroup V₂\ninst✝ : SeminormedAddCommGroup V₃\nf g : NormedAddGroupHom V₁ V₂\nc : ℝ\nh : ‖f‖ ≤ c...
[ 258, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
src/lean/Init/Prelude.lean
Nat.lt_irrefl
[]
[ 1660, 25 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 1659, 11 ]
Mathlib/Order/Height.lean
Set.singleton_mem_subchain_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.1018\ninst✝¹ : LT α\ninst✝ : LT β\ns t : Set α\nl : List α\na : α\n⊢ [a] ∈ subchain s ↔ a ∈ s", "tactic": "simp [cons_mem_subchain_iff]" } ]
[ 80, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.iUnion_closedBall_nat
[]
[ 653, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 652, 1 ]
Mathlib/Algebra/Order/Ring/Abs.lean
abs_le_one_iff_mul_self_le_one
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : LinearOrderedRing α\na b c : α\n⊢ abs a ≤ 1 ↔ a * a ≤ 1", "tactic": "simpa only [abs_one, one_mul] using @abs_le_iff_mul_self_le α _ a 1" } ]
[ 102, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 101, 1 ]
Mathlib/RingTheory/Localization/AtPrime.lean
IsLocalization.AtPrime.isUnit_to_map_iff
[]
[ 143, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/Data/List/Cycle.lean
List.prev_next
[ { "state_after": "case intro.intro\nα : Type u_1\ninst✝ : DecidableEq α\nl✝ : List α\nx : α\nl : List α\nh : Nodup l\nn : ℕ\nhn : n < length l\nhx : nthLe l n hn ∈ l\n⊢ prev l (next l (nthLe l n hn) hx) (_ : next l (nthLe l n hn) hx ∈ l) = nthLe l n hn", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\...
[ 385, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 376, 1 ]
Mathlib/Algebra/GroupPower/Order.lean
Left.one_le_pow_of_le
[ { "state_after": "β : Type ?u.46829\nA : Type ?u.46832\nG : Type ?u.46835\nM : Type u_1\nR : Type ?u.46841\ninst✝² : Monoid M\ninst✝¹ : Preorder M\ninst✝ : CovariantClass M M (fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1\nx : M\nhx : 1 ≤ x\nn : ℕ\n⊢ 1 ≤ x * x ^ n", "state_before": "β : Type ?u.46829\nA : Type...
[ 119, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Submodule.dualRestrict_def
[]
[ 787, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 786, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.diam_empty
[]
[ 2592, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2591, 1 ]
Mathlib/Data/Finset/Powerset.lean
Finset.powerset_mono
[]
[ 67, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 65, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
BilinForm.not_nondegenerate_zero
[]
[ 1285, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1283, 1 ]
Mathlib/Algebra/Group/Pi.lean
Pi.single_mul
[]
[ 513, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 511, 1 ]
Mathlib/Topology/Algebra/ContinuousAffineMap.lean
ContinuousAffineMap.sub_apply
[]
[ 236, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 236, 1 ]
Mathlib/Order/Lattice.lean
ofDual_sup
[]
[ 958, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 957, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.mem_iInf_iff
[ { "state_after": "α : Type u_1\nβ : Type ?u.59735\nγ : Type ?u.59738\nι : Sort u_2\nκ : ι → Sort ?u.59746\ninst✝ : LE α\nS : Set (UpperSet α)\ns t : UpperSet α\na : α\nf : ι → UpperSet α\n⊢ (a ∈ ⋃ (i : ι), ↑(f i)) ↔ ∃ i, a ∈ f i", "state_before": "α : Type u_1\nβ : Type ?u.59735\nγ : Type ?u.59738\nι : Sort...
[ 609, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 607, 1 ]
Mathlib/LinearAlgebra/AffineSpace/AffineSubspace.lean
AffineSubspace.span_union
[]
[ 728, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 727, 1 ]
Mathlib/Data/Fintype/Fin.lean
Fin.Ioi_succ
[ { "state_after": "case a\nα : Type ?u.7053\nβ : Type ?u.7056\nn : ℕ\ni✝ : Fin n\ni : Fin (Nat.succ n)\n⊢ i ∈ Ioi (succ i✝) ↔ i ∈ map (succEmbedding n).toEmbedding (Ioi i✝)", "state_before": "α : Type ?u.7053\nβ : Type ?u.7056\nn : ℕ\ni : Fin n\n⊢ Ioi (succ i) = map (succEmbedding n).toEmbedding (Ioi i)", ...
[ 65, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Algebra/Hom/GroupAction.lean
MulSemiringActionHom.map_add
[]
[ 517, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 516, 11 ]
Mathlib/Data/Real/Basic.lean
Real.mk_le_of_forall_le
[ { "state_after": "case intro\nx✝ y : ℝ\nf : CauSeq ℚ abs\nx : ℝ\ni : ℕ\nH : ∀ (j : ℕ), j ≥ i → ↑(↑f j) ≤ x\n⊢ mk f ≤ x", "state_before": "x✝ y : ℝ\nf : CauSeq ℚ abs\nx : ℝ\nh : ∃ i, ∀ (j : ℕ), j ≥ i → ↑(↑f j) ≤ x\n⊢ mk f ≤ x", "tactic": "cases' h with i H" }, { "state_after": "case intro\nx✝ y :...
[ 633, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 629, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.Nonempty.zero_mul
[ { "state_after": "no goals", "state_before": "F : Type ?u.599923\nα : Type u_1\nβ : Type ?u.599929\nγ : Type ?u.599932\ninst✝² : DecidableEq α\ninst✝¹ : DecidableEq β\ninst✝ : MulZeroClass α\ns t : Finset α\nhs : Finset.Nonempty s\n⊢ 0 ⊆ 0 * s", "tactic": "simpa [mem_mul] using hs" } ]
[ 1102, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1101, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.union_iUnion_nat_succ
[]
[ 2224, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2223, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.map_mono
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.216218\nδ : Type ?u.216221\nι : Type ?u.216224\nR : Type ?u.216227\nR' : Type ?u.216230\nm0 : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t : Set α\nf ...
[ 1258, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1257, 1 ]
Mathlib/Analysis/BoxIntegral/Box/Basic.lean
BoxIntegral.Box.antitone_lower
[]
[ 232, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
Associated.gcd_eq_right
[]
[ 508, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 505, 1 ]
Mathlib/Data/List/Nodup.lean
List.Nodup.pairwise_of_set_pairwise
[]
[ 437, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 435, 1 ]
Std/Data/Int/Lemmas.lean
Int.sub_lt_of_sub_lt
[]
[ 1117, 59 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1116, 11 ]
Mathlib/Analysis/SpecialFunctions/Log/Base.lean
Real.le_logb_iff_rpow_le_of_base_lt_one
[ { "state_after": "no goals", "state_before": "b x y : ℝ\nb_pos : 0 < b\nb_lt_one : b < 1\nhy : 0 < y\n⊢ x ≤ logb b y ↔ y ≤ b ^ x", "tactic": "rw [← rpow_le_rpow_left_iff_of_base_lt_one b_pos b_lt_one, rpow_logb b_pos (b_ne_one b_lt_one) hy]" } ]
[ 281, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 280, 1 ]
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
AlgebraicTopology.DoldKan.QInfty_f_comp_PInfty_f
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nn : ℕ\n⊢ HomologicalComplex.Hom.f (𝟙 K[X] - PInfty) n ≫ HomologicalComplex.Hom.f PInfty n = 0", "state_before": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nn : ℕ\n⊢ Hom...
[ 150, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 147, 1 ]
Std/Data/Int/Lemmas.lean
Int.negSucc_coe
[]
[ 43, 58 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 43, 1 ]
Mathlib/Data/List/Basic.lean
List.modifyHead_modifyHead
[ { "state_after": "no goals", "state_before": "ι : Type ?u.49303\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ l : List α\nf g : α → α\n⊢ modifyHead g (modifyHead f l) = modifyHead (g ∘ f) l", "tactic": "cases l <;> simp" } ]
[ 983, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 982, 1 ]
Mathlib/Topology/Algebra/Order/Compact.lean
IsCompact.lt_sInf_iff_of_continuous
[]
[ 345, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 341, 1 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
PowerSeries.coeff_X_pow_mul'
[ { "state_after": "case inl\nR : Type u_1\ninst✝ : Semiring R\np : PowerSeries R\nn d : ℕ\nh : n ≤ d\n⊢ ↑(coeff R d) (X ^ n * p) = ↑(coeff R (d - n)) p\n\ncase inr\nR : Type u_1\ninst✝ : Semiring R\np : PowerSeries R\nn d : ℕ\nh : ¬n ≤ d\n⊢ ↑(coeff R d) (X ^ n * p) = 0", "state_before": "R : Type u_1\ninst✝ ...
[ 1634, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1625, 1 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
EMetric.mem_closure_iff_infEdist_zero
[ { "state_after": "ι : Sort ?u.16967\nα : Type u\nβ : Type v\ninst✝¹ : PseudoEMetricSpace α\ninst✝ : PseudoEMetricSpace β\nx y : α\ns t : Set α\nΦ : α → β\nh : x ∈ closure s\n⊢ infEdist x (closure s) = 0", "state_before": "ι : Sort ?u.16967\nα : Type u\nβ : Type v\ninst✝¹ : PseudoEMetricSpace α\ninst✝ : Pseu...
[ 158, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/Topology/UniformSpace/Cauchy.lean
totallyBounded_subset
[]
[ 501, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 498, 1 ]
Mathlib/Topology/Sheaves/SheafCondition/Sites.lean
TopCat.Opens.coverDense_iff_isBasis
[ { "state_after": "X : TopCat\nι : Type u_2\ninst✝ : Category ι\nB : ι ⥤ Opens ↑X\n⊢ CoverDense (Opens.grothendieckTopology ↑X) B ↔\n ∀ {U : Opens ↑X} {x : ↑X}, x ∈ U → ∃ U', U' ∈ Set.range B.obj ∧ x ∈ U' ∧ U' ≤ U", "state_before": "X : TopCat\nι : Type u_2\ninst✝ : Category ι\nB : ι ⥤ Opens ↑X\n⊢ CoverDe...
[ 146, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 140, 1 ]
Mathlib/Order/CompleteLattice.lean
Monotone.map_sInf_le
[]
[ 1032, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1030, 1 ]
Mathlib/Analysis/Calculus/UniformLimitsDeriv.lean
hasDerivAt_of_tendstoLocallyUniformlyOn
[ { "state_after": "ι : Type u_1\nl : Filter ι\n𝕜 : Type u_2\ninst✝³ : IsROrC 𝕜\nG : Type u_3\ninst✝² : NormedAddCommGroup G\ninst✝¹ : NormedSpace 𝕜 G\nf : ι → 𝕜 → G\ng : 𝕜 → G\nf' : ι → 𝕜 → G\ng' : 𝕜 → G\nx : 𝕜\ninst✝ : NeBot l\ns : Set 𝕜\nhs : IsOpen s\nhf' : TendstoLocallyUniformlyOn f' g' l s\nhf : ∀...
[ 541, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 533, 1 ]
Std/Data/String/Lemmas.lean
String.extract.go₁_add_right_cancel
[ { "state_after": "case eq\ns : List Char\ni b e n : Nat\n⊢ ∀ (c : Char) (cs : List Char),\n go₂ (c :: cs) { byteIdx := b + n } { byteIdx := e + n } = go₂ (c :: cs) { byteIdx := b } { byteIdx := e }\n\ncase ind\ns : List Char\ni b e n : Nat\n⊢ ∀ (c : Char) (cs : List Char) (i : Pos),\n ¬i = { byteIdx := b ...
[ 415, 13 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 404, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.div_mem_div
[]
[ 565, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 564, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.mul_sub
[ { "state_after": "no goals", "state_before": "l : Type ?u.383149\nm : Type u_1\nn : Type u_2\no : Type u_3\nm' : o → Type ?u.383163\nn' : o → Type ?u.383168\nR : Type ?u.383171\nS : Type ?u.383174\nα : Type v\nβ : Type w\nγ : Type ?u.383181\ninst✝¹ : NonUnitalNonAssocRing α\ninst✝ : Fintype n\nM : Matrix m ...
[ 1199, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1197, 11 ]
Mathlib/Topology/Order/Lattice.lean
continuous_sup
[]
[ 100, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/Nat/Squarefree.lean
Nat.squarefree_iff_minSqFac
[ { "state_after": "n : ℕ\nthis : MinSqFacProp n (minSqFac n)\n⊢ Squarefree n ↔ minSqFac n = none", "state_before": "n : ℕ\n⊢ Squarefree n ↔ minSqFac n = none", "tactic": "have := minSqFac_has_prop n" }, { "state_after": "case mp\nn : ℕ\nthis : MinSqFacProp n (minSqFac n)\nH : Squarefree n\n⊢ minS...
[ 247, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/Order/Hom/Lattice.lean
SupHom.ext
[]
[ 358, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 357, 1 ]
Mathlib/Analysis/InnerProductSpace/PiL2.lean
exists_orthonormalBasis
[]
[ 811, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 808, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Tagged.lean
BoxIntegral.TaggedPrepartition.distortion_filter_le
[]
[ 463, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 462, 1 ]
Mathlib/Order/SymmDiff.lean
top_symmDiff
[]
[ 733, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 732, 1 ]
Mathlib/Data/Fin/Tuple/Basic.lean
Fin.comp_tail
[ { "state_after": "case h\nm n : ℕ\nα✝ : Fin (n + 1) → Type u\nx : α✝ 0\nq✝ : (i : Fin (n + 1)) → α✝ i\np : (i : Fin n) → α✝ (succ i)\ni : Fin n\ny : α✝ (succ i)\nz : α✝ 0\nα : Type u_1\nβ : Type u_2\ng : α → β\nq : Fin (Nat.succ n) → α\nj : Fin n\n⊢ (g ∘ tail q) j = tail (g ∘ q) j", "state_before": "m n : ℕ...
[ 250, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 247, 1 ]
Mathlib/Topology/Separation.lean
Inducing.regularSpace
[ { "state_after": "α : Type u\nβ : Type v\ninst✝² : TopologicalSpace α\ninst✝¹ : RegularSpace α\na : α\ns : Set α\ninst✝ : TopologicalSpace β\nf : β → α\nhf : Inducing f\nb : β\n⊢ HasBasis (comap f (𝓝 (f b))) (?m.154015 hf b) (?m.154016 hf b)\n\nα : Type u\nβ : Type v\ninst✝¹ : TopologicalSpace α\ninst✝ : Regul...
[ 1598, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1594, 11 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_union_Icc_eq_Icc
[]
[ 1654, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1651, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.biInter_empty
[]
[ 917, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 916, 1 ]
Mathlib/Data/List/NodupEquivFin.lean
List.Sorted.get_mono
[]
[ 85, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/Algebra/Category/GroupCat/Basic.lean
GroupCat.coe_of
[]
[ 101, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 100, 1 ]
Mathlib/Data/Real/ConjugateExponents.lean
Real.IsConjugateExponent.nonneg
[]
[ 53, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 1 ]
Mathlib/RingTheory/MvPolynomial/WeightedHomogeneous.lean
MvPolynomial.IsWeightedHomogeneous.sum
[]
[ 275, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 273, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
Submodule.range_subtypeL
[]
[ 1053, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1052, 1 ]
Mathlib/Topology/Connected.lean
isPreconnected_connectedComponentIn
[ { "state_after": "α : Type u\nβ : Type v\nι : Type ?u.53054\nπ : ι → Type ?u.53059\ninst✝ : TopologicalSpace α\ns t u v : Set α\nx : α\nF : Set α\n⊢ IsPreconnected (if h : x ∈ F then Subtype.val '' connectedComponent { val := x, property := h } else ∅)", "state_before": "α : Type u\nβ : Type v\nι : Type ?u....
[ 627, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 623, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.measure_union_toMeasurable
[]
[ 384, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 381, 1 ]
Mathlib/RingTheory/TensorProduct.lean
Algebra.TensorProduct.basis_repr_symm_apply
[ { "state_after": "k : Type u_4\ninst✝⁴ : CommRing k\nR : Type u_1\ninst✝³ : Ring R\ninst✝² : Algebra k R\nM : Type u_2\ninst✝¹ : AddCommMonoid M\ninst✝ : Module k M\nι : Type u_3\nb : Basis ι k M\nr : R\ni : ι\n⊢ LinearEquiv.invFun (basisAux R b) (Finsupp.single i r) = r ⊗ₜ[k] ↑(LinearEquiv.symm b.repr) (Finsup...
[ 1065, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1062, 1 ]
Mathlib/GroupTheory/GroupAction/ConjAct.lean
ConjAct.ofConjAct_zero
[]
[ 221, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/Control/Traversable/Basic.lean
ApplicativeTransformation.preserves_pure
[]
[ 144, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 143, 1 ]
Mathlib/Algebra/Category/Ring/Basic.lean
CommRingCat.coe_of
[]
[ 403, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 402, 1 ]
Mathlib/Data/Fintype/Quotient.lean
Quotient.finChoiceAux_eq
[ { "state_after": "ι : Type u_1\ninst✝ : DecidableEq ι\nα : ι → Type u_2\nS : (i : ι) → Setoid (α i)\ni : ι\nl : List ι\nf : (i_1 : ι) → i_1 ∈ i :: l → α i_1\n⊢ (Quotient.mk inferInstance fun j h =>\n if h : j = i then cast (_ : (fun i => α i) i = (fun i => α i) j) (f i (_ : i ∈ i :: l))\n else f j (_ ...
[ 55, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 47, 1 ]
Mathlib/Data/Set/Basic.lean
Set.Nontrivial.choose_snd_mem
[]
[ 2452, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2451, 11 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.withDensity_indicator_one
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.1769295\nγ : Type ?u.1769298\nδ : Type ?u.1769301\nm : MeasurableSpace α\nμ ν : Measure α\ns : Set α\nhs : MeasurableSet s\n⊢ withDensity μ (indicator s 1) = Measure.restrict μ s", "tactic": "rw [withDensity_indicator hs, withDensit...
[ 1645, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1643, 1 ]
Mathlib/Combinatorics/SimpleGraph/StronglyRegular.lean
SimpleGraph.compl_neighborFinset_sdiff_inter_eq
[ { "state_after": "case a\nV : Type u\ninst✝² : Fintype V\ninst✝¹ : DecidableEq V\nG : SimpleGraph V\ninst✝ : DecidableRel G.Adj\nn k ℓ μ : ℕ\nv w a✝ : V\n⊢ a✝ ∈ neighborFinset G vᶜ \\ {v} ∩ (neighborFinset G wᶜ \\ {w}) ↔\n a✝ ∈ (neighborFinset G vᶜ ∩ neighborFinset G wᶜ) \\ ({w} ∪ {v})", "state_before": ...
[ 122, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 117, 1 ]
Mathlib/Topology/ContinuousFunction/StoneWeierstrass.lean
ContinuousMap.subalgebra_isROrC_topologicalClosure_eq_top_of_separatesPoints
[ { "state_after": "𝕜 : Type u_1\nX : Type u_2\ninst✝² : IsROrC 𝕜\ninst✝¹ : TopologicalSpace X\ninst✝ : CompactSpace X\nA : Subalgebra 𝕜 C(X, 𝕜)\nhA : Subalgebra.SeparatesPoints A\nhA' : ConjInvariantSubalgebra (Subalgebra.restrictScalars ℝ A)\n⊢ ∀ (x : C(X, 𝕜)), x ∈ Subalgebra.topologicalClosure A", "st...
[ 448, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 412, 1 ]
Mathlib/GroupTheory/Perm/Basic.lean
Equiv.mul_swap_mul_self
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\ninst✝ : DecidableEq α\ni j : α\nσ : Perm α\n⊢ σ * swap i j * swap i j = σ", "tactic": "rw [mul_assoc, swap_mul_self, mul_one]" } ]
[ 552, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 551, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_unique_nonempty
[ { "state_after": "no goals", "state_before": "ι : Type ?u.876223\nβ✝ : Type u\nα✝ : Type v\nγ : Type w\ns✝ s₁ s₂ : Finset α✝\na : α✝\nf✝ g : α✝ → β✝\nα : Type u_1\nβ : Type u_2\ninst✝¹ : CommMonoid β\ninst✝ : Unique α\ns : Finset α\nf : α → β\nh : Finset.Nonempty s\n⊢ ∏ x in s, f x = f default", "tactic...
[ 1941, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1939, 1 ]
Mathlib/RingTheory/Localization/NumDen.lean
IsFractionRing.isUnit_den_of_num_eq_zero
[]
[ 114, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.mem_ae_dirac_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.599009\nγ : Type ?u.599012\nδ : Type ?u.599015\nι : Type ?u.599018\nR : Type ?u.599021\nR' : Type ?u.599024\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set...
[ 3006, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3005, 1 ]
Mathlib/Topology/Sheaves/Presheaf.lean
TopCat.Presheaf.toPushforwardOfIso_app
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝ : Category C\nX Y : TopCat\nH₁ : X ≅ Y\nℱ : Presheaf C X\n𝒢 : Presheaf C Y\nH₂ : H₁.hom _* ℱ ⟶ 𝒢\nU : (Opens ↑X)ᵒᵖ\n⊢ U = (Functor.op (Opens.map H₁.hom)).obj ((Opens.map H₁.inv).obj U.unop).op", "tactic": "simp [Opens.map, Set.preimage_pr...
[ 430, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 414, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.localizationToStalk_stalkToFiberRingHom
[]
[ 616, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 614, 1 ]
Mathlib/Topology/Order/Basic.lean
Filter.tendsto_nhds_max_left
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : OrderClosedTopology α\nf g : β → α\nl : Filter β\na : α\nh : Tendsto f l (𝓝[Ioi a] a)\n⊢ Tendsto (fun i => max a (f i)) l (𝓝[Ioi a] a)", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ni...
[ 732, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 729, 1 ]
Mathlib/Data/Finsupp/Multiset.lean
Finsupp.coe_orderIsoMultiset_symm
[]
[ 216, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Independent.lean
affineIndependent_equiv
[ { "state_after": "k : Type u_3\nV : Type u_4\nP : Type u_5\ninst✝³ : Ring k\ninst✝² : AddCommGroup V\ninst✝¹ : Module k V\ninst✝ : AffineSpace V P\nι : Type u_2\nι' : Type u_1\ne : ι ≃ ι'\np : ι' → P\n⊢ AffineIndependent k (p ∘ ↑e) → AffineIndependent k p", "state_before": "k : Type u_3\nV : Type u_4\nP : T...
[ 339, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 331, 1 ]
Mathlib/Order/SuccPred/Basic.lean
Order.pred_lt_pred_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : Preorder α\ninst✝¹ : PredOrder α\na b : α\ninst✝ : NoMinOrder α\n⊢ pred a < pred b ↔ a < b", "tactic": "simp" } ]
[ 712, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 712, 1 ]
Mathlib/Data/Dfinsupp/Order.lean
Dfinsupp.add_eq_zero_iff
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : ι → Type u_2\ninst✝ : (i : ι) → CanonicallyOrderedAddMonoid (α i)\nf g : Π₀ (i : ι), α i\n⊢ f + g = 0 ↔ f = 0 ∧ g = 0", "tactic": "simp [FunLike.ext_iff, forall_and]" } ]
[ 158, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 157, 1 ]
Mathlib/MeasureTheory/Integral/CircleTransform.lean
Complex.continuousOn_abs_circleTransformBoundingFunction
[ { "state_after": "E : Type ?u.76109\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℂ E\nR✝ : ℝ\nz✝ w : ℂ\nR r : ℝ\nhr : r < R\nz : ℂ\nthis : ContinuousOn (circleTransformBoundingFunction R z) (closedBall z r ×ˢ ⊤)\n⊢ ContinuousOn (↑abs ∘ fun t => circleTransformBoundingFunction R z t) (closedBall z r ×ˢ un...
[ 128, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/Algebra/Order/Ring/Lemmas.lean
mul_lt_of_lt_of_le_one_of_nonneg
[]
[ 719, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 717, 1 ]
Mathlib/Analysis/PSeries.lean
Real.tendsto_sum_range_one_div_nat_succ_atTop
[ { "state_after": "⊢ ¬Summable fun i => 1 / (↑i + 1)\n\n\n⊢ ∀ (n : ℕ), 0 ≤ 1 / (↑n + 1)", "state_before": "⊢ Tendsto (fun n => ∑ i in Finset.range n, 1 / (↑i + 1)) atTop atTop", "tactic": "rw [← not_summable_iff_tendsto_nat_atTop_of_nonneg]" }, { "state_after": "no goals", "state_before": "⊢ ...
[ 265, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 261, 1 ]
Mathlib/GroupTheory/Perm/Support.lean
Equiv.Perm.support_swap_iff
[ { "state_after": "α : Type u_1\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf g : Perm α\nx y : α\nh : support (swap x y) = {x, y}\n⊢ x ≠ y", "state_before": "α : Type u_1\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf g : Perm α\nx y : α\n⊢ support (swap x y) = {x, y} ↔ x ≠ y", "tactic": "refine' ⟨fun h ...
[ 451, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 442, 1 ]