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start
list
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
LocalHomeomorph.contDiffOn_extend_coord_change
[ { "state_after": "𝕜 : Type u_3\nE : Type u_4\nM : Type u_2\nH : Type u_1\nE' : Type ?u.174952\nM' : Type ?u.174955\nH' : Type ?u.174958\ninst✝⁹ : NontriviallyNormedField 𝕜\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace 𝕜 E\ninst✝⁶ : TopologicalSpace H\ninst✝⁵ : TopologicalSpace M\nf f' : LocalHomeomorp...
[ 1000, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 996, 1 ]
Mathlib/Data/Polynomial/Laurent.lean
LaurentPolynomial.degree_C_ite
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝ : Semiring R\na : R\n⊢ degree (↑C a) = if a = 0 then ⊥ else 0", "tactic": "split_ifs with h <;> simp only [h, map_zero, degree_zero, degree_C, Ne.def, not_false_iff]" } ]
[ 536, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 535, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
le_div_self
[ { "state_after": "no goals", "state_before": "ι : Type ?u.74483\nα : Type u_1\nβ : Type ?u.74489\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\nha : 0 ≤ a\nhb₀ : 0 < b\nhb₁ : b ≤ 1\n⊢ a ≤ a / b", "tactic": "simpa only [div_one] using div_le_div_of_le_left ha hb₀ hb₁" } ]
[ 421, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 420, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
one_div_lt
[ { "state_after": "no goals", "state_before": "ι : Type ?u.78498\nα : Type u_1\nβ : Type ?u.78504\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\nha : 0 < a\nhb : 0 < b\n⊢ 1 / a < b ↔ 1 / b < a", "tactic": "simpa using inv_lt ha hb" } ]
[ 439, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 439, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
ENNReal.rpow_ne_top_of_nonneg
[]
[ 423, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 422, 1 ]
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
PrimeSpectrum.closure_singleton
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\ninst✝¹ : CommRing R\ninst✝ : CommRing S\nx : PrimeSpectrum R\n⊢ closure {x} = zeroLocus ↑x.asIdeal", "tactic": "rw [← zeroLocus_vanishingIdeal_eq_closure, vanishingIdeal_singleton]" } ]
[ 479, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 478, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Int.cast_prod
[]
[ 2256, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2254, 1 ]
Mathlib/Topology/SubsetProperties.lean
exists_compact_between
[ { "state_after": "α : Type u\nβ : Type v\nι : Type ?u.147975\nπ : ι → Type ?u.147980\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns t : Set α\nhα : LocallyCompactSpace α\nK U : Set α\nhK : IsCompact K\nhU : IsOpen U\nh_KU : K ⊆ U\nV : ↑K → Set α\nhVc : ∀ (x : ↑K), IsCompact (V x)\nhxV : ∀ (x : ↑K),...
[ 1176, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1168, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.sigmaUncurry_single
[ { "state_after": "no goals", "state_before": "ι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ndec : DecidableEq ι\nκ : Type ?u.651005\nα : ι → Type ?u.651010\nδ : (i : ι) → α i → Type v\ninst✝² : (i : ι) → (j : α i) → Zero (δ i j)\ninst✝¹ : (i : ι) → DecidableEq (α i)\ninst✝ : (i...
[ 1594, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1580, 1 ]
Mathlib/Algebra/Invertible.lean
invertible_unique
[ { "state_after": "case hac\nα✝ α : Type u\ninst✝² : Monoid α\na b : α\ninst✝¹ : Invertible a\ninst✝ : Invertible b\nh : a = b\n⊢ a * ⅟b = 1", "state_before": "α✝ α : Type u\ninst✝² : Monoid α\na b : α\ninst✝¹ : Invertible a\ninst✝ : Invertible b\nh : a = b\n⊢ ⅟a = ⅟b", "tactic": "apply invOf_eq_right_in...
[ 161, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.injOn_setOf_mem_Icc_setOf_lower_eq
[ { "state_after": "case intro.intro\nι : Type u_1\nI J J₁✝ J₂✝ : Box ι\nπ π₁ π₂ : Prepartition I\nx✝ x : ι → ℝ\nJ₁ : Box ι\nh₁ : J₁ ∈ π\nhx₁ : x ∈ ↑Box.Icc J₁\nJ₂ : Box ι\nh₂ : J₂ ∈ π\nhx₂ : x ∈ ↑Box.Icc J₂\nH : {i | Box.lower J₁ i = x i} = {i | Box.lower J₂ i = x i}\n⊢ J₁ = J₂", "state_before": "ι : Type u_...
[ 197, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 182, 1 ]
Mathlib/Algebra/Group/Basic.lean
inv_inv_div_inv
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.33147\nG : Type ?u.33150\ninst✝ : DivisionCommMonoid α\na b c d : α\n⊢ (a⁻¹ / b⁻¹)⁻¹ = a / b", "tactic": "simp" } ]
[ 525, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 525, 1 ]
Mathlib/Order/OrdContinuous.lean
LeftOrdContinuous.mono
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ninst✝² : Preorder α\ninst✝¹ : Preorder β\ninst✝ : Preorder γ\ng : β → γ\nf : α → β\nhf : LeftOrdContinuous f\na₁ a₂ : α\nh : a₁ ≤ a₂\n⊢ a₂ ∈ upperBounds {a₁, a₂}", "tactic": "simp [*]" } ]
[ 76, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/Order/Filter/Archimedean.lean
Filter.Tendsto.atBot_zsmul_const
[ { "state_after": "α : Type u_2\nR : Type u_1\nl : Filter α\nf✝ : α → R\nr : R\ninst✝¹ : LinearOrderedAddCommGroup R\ninst✝ : Archimedean R\nf : α → ℤ\nhr : 0 < r\nhf : Tendsto (fun x => -f x) l atTop\n⊢ Tendsto (fun x => -f x • r) l atTop", "state_before": "α : Type u_2\nR : Type u_1\nl : Filter α\nf✝ : α →...
[ 246, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 243, 1 ]
Mathlib/Algebra/EuclideanDomain/Basic.lean
EuclideanDomain.lcm_dvd_iff
[]
[ 297, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 295, 1 ]
Mathlib/Analysis/Seminorm.lean
Seminorm.convexOn
[ { "state_after": "R : Type ?u.1285893\nR' : Type ?u.1285896\n𝕜 : Type u_2\n𝕜₂ : Type ?u.1285902\n𝕜₃ : Type ?u.1285905\n𝕝 : Type ?u.1285908\nE : Type u_1\nE₂ : Type ?u.1285914\nE₃ : Type ?u.1285917\nF : Type ?u.1285920\nG : Type ?u.1285923\nι : Type ?u.1285926\ninst✝⁵ : NormedField 𝕜\ninst✝⁴ : AddCommGroup ...
[ 1046, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1038, 11 ]
Mathlib/Topology/Instances/ENNReal.lean
Real.ediam_Ico
[]
[ 1546, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1544, 1 ]
Mathlib/Data/Int/ConditionallyCompleteOrder.lean
Int.csInf_empty
[ { "state_after": "no goals", "state_before": "⊢ ¬(Set.Nonempty ∅ ∧ BddBelow ∅)", "tactic": "simp" } ]
[ 92, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 91, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.sum_over_range
[]
[ 409, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 407, 1 ]
Mathlib/MeasureTheory/Integral/SetIntegral.lean
MeasureTheory.hasSum_integral_iUnion_ae
[ { "state_after": "α : Type u_2\nβ : Type ?u.62254\nE : Type u_3\nF : Type ?u.62260\ninst✝⁴ : MeasurableSpace α\ninst✝³ : NormedAddCommGroup E\nf g : α → E\ns✝ t : Set α\nμ ν : Measure α\nl l' : Filter α\ninst✝² : CompleteSpace E\ninst✝¹ : NormedSpace ℝ E\nι : Type u_1\ninst✝ : Countable ι\ns : ι → Set α\nhm : ∀...
[ 243, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Order/Lattice.lean
sup_eq_sup_iff_right
[]
[ 306, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 305, 1 ]
Mathlib/Topology/Sets/Opens.lean
TopologicalSpace.Opens.coe_sup
[]
[ 182, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 1 ]
Mathlib/AlgebraicTopology/DoldKan/Degeneracies.lean
AlgebraicTopology.DoldKan.σ_comp_P_eq_zero
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nn q : ℕ\n⊢ ∀ (i : Fin (n + 1)), n + 1 ≤ ↑i + q → SimplicialObject.σ X i ≫ HomologicalComplex.Hom.f (P q) (n + 1) = 0", "state_before": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : Simplicial...
[ 116, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 58, 1 ]
Std/Data/Int/Lemmas.lean
Int.neg_negSucc
[]
[ 41, 72 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 41, 15 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.add_mul_subset
[]
[ 1079, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1078, 1 ]
Mathlib/Order/Closure.lean
LowerAdjoint.closure_iUnion₂_closure
[]
[ 529, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 527, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
Valuation.map_add'
[ { "state_after": "K : Type ?u.419164\nF : Type ?u.419167\nR : Type u_2\ninst✝⁴ : DivisionRing K\nΓ₀ : Type u_1\nΓ'₀ : Type ?u.419179\nΓ''₀ : Type ?u.419182\ninst✝³ : LinearOrderedCommMonoidWithZero Γ''₀\ninst✝² : Ring R\ninst✝¹ : LinearOrderedCommMonoidWithZero Γ₀\ninst✝ : LinearOrderedCommMonoidWithZero Γ'₀\nv...
[ 180, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 177, 1 ]
Mathlib/Data/PNat/Xgcd.lean
PNat.XgcdType.rq_eq
[]
[ 241, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/AlgebraicGeometry/PresheafedSpace.lean
AlgebraicGeometry.PresheafedSpace.hext
[ { "state_after": "case mk\nC : Type u_1\ninst✝ : Category C\nX Y : PresheafedSpace C\nβ : Hom X Y\nbase✝ : ↑X ⟶ ↑Y\nc✝ : Y.presheaf ⟶ base✝ _* X.presheaf\nw : { base := base✝, c := c✝ }.base = β.base\nh : HEq { base := base✝, c := c✝ }.c β.c\n⊢ { base := base✝, c := c✝ } = β", "state_before": "C : Type u_1\...
[ 132, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/ComplexDeriv.lean
Complex.differentiableAt_tan
[]
[ 66, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 65, 1 ]
Mathlib/Order/Heyting/Hom.lean
HeytingHom.cancel_left
[ { "state_after": "no goals", "state_before": "F : Type ?u.86036\nα : Type u_3\nβ : Type u_1\nγ : Type u_2\nδ : Type ?u.86048\ninst✝³ : HeytingAlgebra α\ninst✝² : HeytingAlgebra β\ninst✝¹ : HeytingAlgebra γ\ninst✝ : HeytingAlgebra δ\nf f₁ f₂ : HeytingHom α β\ng g₁ g₂ : HeytingHom β γ\nhg : Injective ↑g\nh : ...
[ 363, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/GroupTheory/GroupAction/SubMulAction.lean
SubMulAction.val_image_orbit
[]
[ 299, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 297, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
Dense.borel_eq_generateFrom_Ico_mem
[ { "state_after": "no goals", "state_before": "α✝ : Type ?u.653000\nβ : Type ?u.653003\nγ : Type ?u.653006\nγ₂ : Type ?u.653009\nδ : Type ?u.653012\nι : Sort y\ns✝ t u : Set α✝\ninst✝²² : TopologicalSpace α✝\ninst✝²¹ : MeasurableSpace α✝\ninst✝²⁰ : OpensMeasurableSpace α✝\ninst✝¹⁹ : TopologicalSpace β\ninst✝...
[ 620, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 615, 1 ]
Mathlib/Analysis/Calculus/BumpFunctionInner.lean
Real.smoothTransition.contDiffAt
[]
[ 238, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 237, 11 ]
Mathlib/Algebra/Tropical/Basic.lean
Tropical.bit0
[]
[ 354, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 353, 1 ]
Mathlib/CategoryTheory/Limits/IsLimit.lean
CategoryTheory.Limits.IsColimit.coconePointsIsoOfNatIso_inv_desc
[ { "state_after": "no goals", "state_before": "J : Type u₁\ninst✝² : Category J\nK : Type u₂\ninst✝¹ : Category K\nC : Type u₃\ninst✝ : Category C\nF✝ : J ⥤ C\nt✝ : Cocone F✝\nF G : J ⥤ C\ns : Cocone G\nr t : Cocone F\nP : IsColimit t\nQ : IsColimit s\nw : F ≅ G\n⊢ ∀ (j : J), s.ι.app j ≫ (coconePointsIsoOfNa...
[ 851, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 848, 1 ]
Mathlib/Order/WithBot.lean
WithBot.coe_injective
[]
[ 62, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Mathlib/Data/Vector/Mem.lean
Vector.mem_map_succ_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nn : ℕ\na a' : α\nb : β\nv : Vector α (n + 1)\nf : α → β\n⊢ b ∈ toList (map f v) ↔ f (head v) = b ∨ ∃ a, a ∈ toList (tail v) ∧ f a = b", "tactic": "rw [mem_succ_iff, head_map, tail_map, mem_map_iff, @eq_comm _ b]" } ]
[ 90, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Data/Finite/Card.lean
Finite.card_range_le
[]
[ 180, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/Algebra/Star/StarAlgHom.lean
StarAlgEquiv.leftInverse_symm
[]
[ 917, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 916, 1 ]
Std/Data/Int/Lemmas.lean
Int.add_lt_of_lt_sub_right
[ { "state_after": "a b c : Int\nh✝ : a < c - b\nh : a + b < c - b + b\n⊢ a + b < c", "state_before": "a b c : Int\nh : a < c - b\n⊢ a + b < c", "tactic": "have h := Int.add_lt_add_right h b" }, { "state_after": "no goals", "state_before": "a b c : Int\nh✝ : a < c - b\nh : a + b < c - b + b\n⊢...
[ 1057, 32 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1055, 11 ]
Mathlib/Data/Nat/Factorization/Basic.lean
Nat.factorizationEquiv_inv_apply
[]
[ 340, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 338, 1 ]
Mathlib/LinearAlgebra/Matrix/Trace.lean
Matrix.trace_list_sum
[]
[ 100, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.coinduction
[]
[ 353, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 336, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
lt_inv_mul_iff_lt
[ { "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⊢ 1 < b⁻¹ * a ↔ b < a", "tactic": "rw [← mul_lt_mul_iff_left b, mul_one, mul_inv_cancel_left]" } ]
[ 200, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/Order/Filter/Germ.lean
Filter.Germ.liftRel_const_iff
[]
[ 331, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 329, 1 ]
Mathlib/Analysis/SpecialFunctions/Complex/Log.lean
Complex.log_zero
[ { "state_after": "no goals", "state_before": "⊢ log 0 = 0", "tactic": "simp [log]" } ]
[ 93, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 93, 1 ]
Mathlib/Algebra/GroupWithZero/Units/Lemmas.lean
Units.smul_mk0
[]
[ 286, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/LinearAlgebra/Finrank.lean
finrank_bot
[]
[ 265, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/RingTheory/Polynomial/Basic.lean
Polynomial.mem_ker_modByMonic
[]
[ 452, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 450, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.comap_surjective_of_injective
[]
[ 394, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 393, 1 ]
Mathlib/Logic/Relation.lean
Relation.TransGen.swap
[ { "state_after": "case single\nα : Type u_1\nβ : Type ?u.23725\nγ : Type ?u.23728\nδ : Type ?u.23731\nr : α → α → Prop\na b✝ c d b : α\nh : r b✝ b\n⊢ TransGen (Function.swap r) b b✝\n\ncase tail\nα : Type u_1\nβ : Type ?u.23725\nγ : Type ?u.23728\nδ : Type ?u.23731\nr : α → α → Prop\na b✝ c✝ d b c : α\na✝ : Tra...
[ 500, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 497, 1 ]
Mathlib/Data/Real/Hyperreal.lean
Hyperreal.isSt_iff_tendsto
[ { "state_after": "case intro\nr : ℝ\nf : ℕ → ℝ\n⊢ IsSt (ofSeq f) r ↔ Germ.Tendsto (ofSeq f) (𝓝 r)", "state_before": "x : ℝ*\nr : ℝ\n⊢ IsSt x r ↔ Germ.Tendsto x (𝓝 r)", "tactic": "rcases ofSeq_surjective x with ⟨f, rfl⟩" }, { "state_after": "no goals", "state_before": "case intro\nr : ℝ\nf ...
[ 261, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 259, 1 ]
Mathlib/Order/CompleteLattice.lean
Antitone.le_map_iInf₂
[]
[ 953, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 951, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Basis.coe_toDual_self
[ { "state_after": "case h\nR : Type u\nM : Type v\nK : Type u₁\nV : Type u₂\nι : Type w\ninst✝³ : CommSemiring R\ninst✝² : AddCommMonoid M\ninst✝¹ : Module R M\ninst✝ : DecidableEq ι\nb : Basis ι R M\ni : ι\nx✝ : M\n⊢ ↑(↑(toDual b) (↑b i)) x✝ = ↑(coord b i) x✝", "state_before": "R : Type u\nM : Type v\nK : T...
[ 333, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 331, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Kernels.lean
CategoryTheory.Limits.cokernel.condition
[]
[ 697, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 696, 1 ]
Mathlib/LinearAlgebra/Matrix/ToLin.lean
LinearMap.toMatrixAlgEquiv'_comp
[]
[ 507, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 504, 1 ]
Mathlib/Data/Complex/Module.lean
imaginaryPart_apply_coe
[ { "state_after": "A : Type u_1\ninst✝³ : AddCommGroup A\ninst✝² : Module ℂ A\ninst✝¹ : StarAddMonoid A\ninst✝ : StarModule ℂ A\na : A\n⊢ ↑(↑(LinearMap.comp skewAdjoint.negISMul (skewAdjointPart ℝ)) a) = -I • 2⁻¹ • (a - star a)", "state_before": "A : Type u_1\ninst✝³ : AddCommGroup A\ninst✝² : Module ℂ A\nin...
[ 464, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 461, 1 ]
Mathlib/Topology/Algebra/Monoid.lean
continuous_finprod
[ { "state_after": "ι : Type u_3\nα : Type ?u.452056\nX : Type u_1\nM : Type u_2\nN : Type ?u.452065\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace M\ninst✝¹ : CommMonoid M\ninst✝ : ContinuousMul M\nf : ι → X → M\nhc : ∀ (i : ι), Continuous (f i)\nhf : LocallyFinite fun i => mulSupport (f i)\nx : X\n⊢ Co...
[ 814, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 809, 1 ]
Std/Data/Int/Lemmas.lean
Int.max_def
[]
[ 687, 80 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 687, 11 ]
Mathlib/Algebra/GeomSum.lean
geom_sum_ne_zero
[ { "state_after": "case zero\nα : Type u\nβ : Type ?u.249597\nx : α\ninst✝ : LinearOrderedRing α\nhx : x ≠ -1\nhn : Nat.zero ≠ 0\n⊢ ∑ i in range Nat.zero, x ^ i ≠ 0\n\ncase succ.zero\nα : Type u\nβ : Type ?u.249597\nx : α\ninst✝ : LinearOrderedRing α\nhx : x ≠ -1\nhn : Nat.succ Nat.zero ≠ 0\n⊢ ∑ i in range (Nat....
[ 555, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 543, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.vsub_le_vsub
[]
[ 1144, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1143, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.sup_map
[]
[ 71, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometry.preimage_closedBall
[]
[ 321, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 319, 1 ]
Mathlib/AlgebraicGeometry/PrimeSpectrum/Maximal.lean
MaximalSpectrum.toPrimeSpectrum_range
[ { "state_after": "R : Type u\ninst✝ : CommRing R\n⊢ range toPrimeSpectrum = {x | Ideal.IsMaximal x.asIdeal}", "state_before": "R : Type u\ninst✝ : CommRing R\n⊢ range toPrimeSpectrum = {x | IsClosed {x}}", "tactic": "simp only [isClosed_singleton_iff_isMaximal]" }, { "state_after": "case h.mk\nR...
[ 72, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 68, 1 ]
Mathlib/Data/List/Nodup.lean
List.Nodup.sigma
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nl l₁ l₂✝ : List α\nr : α → α → Prop\na✝ b✝ : α\nσ : α → Type u_1\nl₂ : (a : α) → List (σ a)\nd₁ : Nodup l₁\nd₂ : ∀ (a : α), Nodup (l₂ a)\na : α\nx✝ : a ∈ l₁\nb b' : (fun a => σ a) a\nh : { fst := a, snd := b } = { fst := a, snd := b' }\n⊢...
[ 363, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 356, 1 ]
Mathlib/Topology/Bornology/Basic.lean
Bornology.IsCobounded.all
[]
[ 347, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 346, 1 ]
Mathlib/Logic/Basic.lean
Iff.not_left
[]
[ 276, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 276, 1 ]
Mathlib/Analysis/Calculus/LocalExtr.lean
mem_posTangentConeAt_of_segment_subset'
[ { "state_after": "no goals", "state_before": "E : Type u\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\nf : E → ℝ\na : E\nf' : E →L[ℝ] ℝ\ns : Set E\nx y : E\nh : segment ℝ x (x + y) ⊆ s\n⊢ y ∈ posTangentConeAt s x", "tactic": "simpa only [add_sub_cancel'] using mem_posTangentConeAt_of_segment_...
[ 107, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Data/QPF/Multivariate/Constructions/Fix.lean
MvQPF.Fix.ind
[ { "state_after": "case mk\nn : ℕ\nF : TypeVec (n + 1) → Type u\ninst✝ : MvFunctor F\nq : MvQPF F\nα✝ α : TypeVec n\np : Fix F α → Prop\nh : ∀ (x : F (α ::: Fix F α)), LiftP (PredLast α p) x → p (mk x)\n⊢ ∀ (a : MvPFunctor.W (P F) α), p (Quot.mk Setoid.r a)", "state_before": "n : ℕ\nF : TypeVec (n + 1) → Typ...
[ 326, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/Algebra/EuclideanDomain/Basic.lean
EuclideanDomain.gcd_eq_left
[ { "state_after": "R : Type u\ninst✝¹ : EuclideanDomain R\ninst✝ : DecidableEq R\na b : R\nh : gcd a b = a\n⊢ gcd a b ∣ b", "state_before": "R : Type u\ninst✝¹ : EuclideanDomain R\ninst✝ : DecidableEq R\na b : R\nh : gcd a b = a\n⊢ a ∣ b", "tactic": "rw [← h]" }, { "state_after": "no goals", ...
[ 182, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/LinearAlgebra/Determinant.lean
LinearMap.detAux_id
[]
[ 163, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 162, 1 ]
Mathlib/Data/List/Rotate.lean
List.get?_rotate
[ { "state_after": "α : Type u\nl : List α\nn m : ℕ\nhml : m < length l\n⊢ get? (drop (n % length l) l ++ take (n % length l) l) m = get? l ((m + n) % length l)", "state_before": "α : Type u\nl : List α\nn m : ℕ\nhml : m < length l\n⊢ get? (rotate l n) m = get? l ((m + n) % length l)", "tactic": "rw [rota...
[ 256, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 237, 1 ]
Mathlib/Logic/Basic.lean
congr_arg_refl
[]
[ 539, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 539, 1 ]
Mathlib/Dynamics/Circle/RotationNumber/TranslationNumber.lean
CircleDeg1Lift.translationNumber_le_of_le_add_int
[]
[ 828, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 825, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Real.sin_sub_int_mul_two_pi
[]
[ 294, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 293, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.smul_comp
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝³ : Semiring R\np✝ q✝ r : R[X]\ninst✝² : Monoid S\ninst✝¹ : DistribMulAction S R\ninst✝ : IsScalarTower S R R\ns : S\np q : R[X]\n⊢ comp (s • p) q = s • comp p q", "tactic": "rw [← smul_o...
[ 655, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 653, 1 ]
Mathlib/Geometry/Manifold/ChartedSpace.lean
LocalHomeomorph.singletonChartedSpace_chartAt_eq
[]
[ 995, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 993, 1 ]
Mathlib/Order/CompleteLattice.lean
iInf_dite
[]
[ 1368, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1366, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.indicator_mul_right
[ { "state_after": "α : Type u_1\nβ : Type ?u.122704\nι : Type ?u.122707\nM : Type u_2\nN : Type ?u.122713\ninst✝ : MulZeroClass M\ns✝ t : Set α\nf✝ g✝ : α → M\na : α\ns : Set α\nf g : α → M\n⊢ (if a ∈ s then f a * g a else 0) = f a * if a ∈ s then g a else 0", "state_before": "α : Type u_1\nβ : Type ?u.12270...
[ 700, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 695, 1 ]
Mathlib/Algebra/Divisibility/Basic.lean
mul_dvd_mul_left
[]
[ 194, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 193, 1 ]
Mathlib/Analysis/SpecialFunctions/Arsinh.lean
Real.hasDerivAt_arsinh
[]
[ 189, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.add_closure_iUnion_range_single
[ { "state_after": "case h0\nι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ndec : DecidableEq ι\ninst✝ : (i : ι) → AddZeroClass (β i)\nx : Π₀ (i : ι), β i\nx✝ : x ∈ ⊤\n⊢ 0 ∈ AddSubmonoid.closure (⋃ (i : ι), Set.range (single i))\n\ncase ha\nι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ :...
[ 1010, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1003, 1 ]
Mathlib/MeasureTheory/Measure/AEDisjoint.lean
Set.PairwiseDisjoint.aedisjoint
[]
[ 79, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 11 ]
Mathlib/Analysis/Seminorm.lean
Seminorm.coe_sSup_eq
[]
[ 585, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 583, 11 ]
Mathlib/MeasureTheory/Function/Jacobian.lean
MeasureTheory.addHaar_image_eq_zero_of_det_fderivWithin_eq_zero
[ { "state_after": "E : Type u_1\nF : Type ?u.699519\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace ℝ E\ninst✝⁵ : FiniteDimensional ℝ E\ninst✝⁴ : NormedAddCommGroup F\ninst✝³ : NormedSpace ℝ F\ns : Set E\nf : E → E\nf' : E → E →L[ℝ] E\ninst✝² : MeasurableSpace E\ninst✝¹ : BorelSpace E\nμ : Measure E\ninst✝ ...
[ 689, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 662, 1 ]
Mathlib/Algebra/Group/Basic.lean
bit0_zero
[]
[ 154, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/Data/Finset/LocallyFinite.lean
Set.Infinite.exists_lt
[]
[ 853, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 852, 1 ]
Mathlib/Topology/Sequences.lean
UniformSpace.isCompact_iff_isSeqCompact
[]
[ 395, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 394, 11 ]
Mathlib/Data/List/Lattice.lean
List.cons_bagInter_of_pos
[ { "state_after": "case nil\nα : Type u_1\nl l₁✝ : List α\np : α → Prop\na : α\ninst✝ : DecidableEq α\nl₁ : List α\nh : a ∈ []\n⊢ List.bagInter (a :: l₁) [] = a :: List.bagInter l₁ (List.erase [] a)\n\ncase cons\nα : Type u_1\nl l₁✝ : List α\np : α → Prop\na : α\ninst✝ : DecidableEq α\nl₁ : List α\nhead✝ : α\nta...
[ 221, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 217, 1 ]
Mathlib/Algebra/Group/Opposite.lean
MulOpposite.Commute.unop
[]
[ 253, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 252, 1 ]
Mathlib/LinearAlgebra/Eigenspace/Basic.lean
Module.End.generalizedEigenspace_zero
[ { "state_after": "no goals", "state_before": "K R : Type v\nV M : Type w\ninst✝⁵ : CommRing R\ninst✝⁴ : AddCommGroup M\ninst✝³ : Module R M\ninst✝² : Field K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nf : End R M\nk : ℕ\n⊢ ↑(generalizedEigenspace f 0) k = LinearMap.ker (f ^ k)", "tactic": "simp [Modu...
[ 271, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
Mathlib/Order/Filter/AtTopBot.lean
Filter.Tendsto.eventually_le_atBot
[]
[ 236, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 11 ]
Mathlib/ModelTheory/Basic.lean
FirstOrder.Language.Structure.funMap_apply₂
[]
[ 437, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 435, 1 ]
Mathlib/FieldTheory/Separable.lean
Polynomial.Separable.of_pow
[]
[ 126, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
toTopologicalSpace_iInf
[ { "state_after": "no goals", "state_before": "α : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι✝ : Sort ?u.143260\nι : Sort u_1\nu : ι → UniformSpace α\na : α\n⊢ 𝓝 a = 𝓝 a", "tactic": "simp only [@nhds_eq_comap_uniformity _ (iInf u), nhds_iInf,\niInf_uniformity, @nhds_eq_comap_uniformity _ (u _), ...
[ 1355, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1352, 1 ]
Mathlib/LinearAlgebra/LinearPMap.lean
LinearPMap.domRestrict_apply
[ { "state_after": "R : Type u_1\ninst✝⁶ : Ring R\nE : Type u_2\ninst✝⁵ : AddCommGroup E\ninst✝⁴ : Module R E\nF : Type u_3\ninst✝³ : AddCommGroup F\ninst✝² : Module R F\nG : Type ?u.442039\ninst✝¹ : AddCommGroup G\ninst✝ : Module R G\nf : E →ₗ.[R] F\nS : Submodule R E\nx : { x // x ∈ S ⊓ f.domain }\ny : { x // x...
[ 708, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 702, 1 ]
Mathlib/Algebra/Homology/HomologicalComplex.lean
ChainComplex.mk_d_1_0
[ { "state_after": "ι : Type ?u.181945\nV : Type u\ninst✝¹ : Category V\ninst✝ : HasZeroMorphisms V\nX₀ X₁ X₂ : V\nd₀ : X₁ ⟶ X₀\nd₁ : X₂ ⟶ X₁\ns : d₁ ≫ d₀ = 0\nsucc :\n (t : (X₀ : V) ×' (X₁ : V) ×' (X₂ : V) ×' (d₀ : X₁ ⟶ X₀) ×' (d₁ : X₂ ⟶ X₁) ×' d₁ ≫ d₀ = 0) →\n (X₃ : V) ×' (d₂ : X₃ ⟶ t.snd.snd.fst) ×' d₂ ≫ t...
[ 738, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 736, 1 ]
Mathlib/LinearAlgebra/Multilinear/Basic.lean
MultilinearMap.curryFinFinset_apply_const_aux
[ { "state_after": "R : Type u\nι : Type u'\nn✝ : ℕ\nM : Fin (Nat.succ n✝) → Type v\nM₁ : ι → Type v₁\nM₂ : Type v₂\nM₃ : Type v₃\nM' : Type v'\ninst✝⁶ : CommSemiring R\ninst✝⁵ : (i : Fin (Nat.succ n✝)) → AddCommMonoid (M i)\ninst✝⁴ : AddCommMonoid M'\ninst✝³ : AddCommMonoid M₂\ninst✝² : (i : Fin (Nat.succ n✝)) →...
[ 1609, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1604, 1 ]
Mathlib/Analysis/Normed/Group/Hom.lean
NormedAddGroupHom.normNoninc_of_isometry
[]
[ 868, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 867, 1 ]