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start
list
Mathlib/Order/Filter/Basic.lean
Filter.map_top
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.249964\nι : Sort x\nf✝ f₁ f₂ : Filter α\ng g₁ g₂ : Filter β\nm : α → β\nm' : β → γ\ns : Set α\nt : Set β\nf : α → β\n⊢ map f ⊤ = 𝓟 (range f)", "tactic": "rw [← principal_univ, map_principal, image_univ]" } ]
[ 2178, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2177, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.top_mul_top
[]
[ 710, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 709, 1 ]
Mathlib/Data/Prod/Basic.lean
Prod.snd_surjective
[]
[ 146, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 1 ]
Mathlib/Topology/Algebra/UniformGroup.lean
group_separationRel
[ { "state_after": "α : Type u_1\nβ : Type ?u.178136\ninst✝² : UniformSpace α\ninst✝¹ : Group α\ninst✝ : UniformGroup α\nx y : α\nthis : Embedding fun a => a * (y / x)\n⊢ ((x, y) ∈ ⋂ (U : Set α) (_ : U ∈ 𝓝 1), (fun x => x.snd / x.fst) ⁻¹' U) ↔\n x / y ∈ (fun a => a * (y / x)) ⁻¹' closure ((fun a => a * (y / x...
[ 379, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 375, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Ordered.lean
lineMap_le_map_iff_slope_le_slope_left
[]
[ 224, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 222, 1 ]
Mathlib/LinearAlgebra/Basic.lean
LinearMap.ker_zero
[ { "state_after": "no goals", "state_before": "R : Type u_2\nR₁ : Type ?u.1248475\nR₂ : Type u_3\nR₃ : Type ?u.1248481\nR₄ : Type ?u.1248484\nS : Type ?u.1248487\nK : Type ?u.1248490\nK₂ : Type ?u.1248493\nM : Type u_1\nM' : Type ?u.1248499\nM₁ : Type ?u.1248502\nM₂ : Type u_4\nM₃ : Type ?u.1248508\nM₄ : Typ...
[ 1399, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1398, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.IsBigO.mul
[]
[ 1588, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1584, 1 ]
Mathlib/GroupTheory/Perm/Sign.lean
Equiv.Perm.sign_swap'
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nx y : α\nH : x = y\n⊢ ↑sign (swap x y) = if x = y then 1 else -1", "tactic": "simp [H, swap_self]" }, { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\ninst✝¹ ...
[ 584, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 583, 1 ]
Std/Logic.lean
And.imp_left
[]
[ 152, 62 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 152, 1 ]
Mathlib/Algebra/Order/WithZero.lean
div_le_iff₀
[ { "state_after": "no goals", "state_before": "α : Type u_1\na b c d x y z : α\ninst✝ : LinearOrderedCommGroupWithZero α\nhc : c ≠ 0\n⊢ a / c ≤ b ↔ a ≤ b * c", "tactic": "rw [div_eq_mul_inv, mul_inv_le_iff₀ hc]" } ]
[ 253, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 252, 1 ]
Mathlib/Data/Real/Hyperreal.lean
Hyperreal.not_infinite_of_exists_st
[]
[ 293, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 292, 1 ]
Mathlib/Analysis/Calculus/TangentCone.lean
mem_tangentCone_of_openSegment_subset
[ { "state_after": "𝕜 : Type ?u.89534\ninst✝⁶ : NontriviallyNormedField 𝕜\nE : Type ?u.89540\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace 𝕜 E\nF : Type ?u.89635\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace 𝕜 F\nG : Type u_1\ninst✝¹ : NormedAddCommGroup G\ninst✝ : NormedSpace ℝ G\nx✝ y✝ : E\ns✝...
[ 243, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/Data/Nat/Order/Basic.lean
Nat.two_le_iff
[ { "state_after": "no goals", "state_before": "m n k l : ℕ\n⊢ 2 ≤ 0 ↔ 0 ≠ 0 ∧ 0 ≠ 1", "tactic": "simp" }, { "state_after": "no goals", "state_before": "m n k l : ℕ\n⊢ 2 ≤ 1 ↔ 1 ≠ 0 ∧ 1 ≠ 1", "tactic": "simp" }, { "state_after": "no goals", "state_before": "m n✝ k l n : ℕ\n⊢ 2 ...
[ 168, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 165, 1 ]
Mathlib/Logic/Equiv/Functor.lean
Bifunctor.mapEquiv_apply
[]
[ 83, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 1 ]
Mathlib/Analysis/BoxIntegral/Box/Basic.lean
BoxIntegral.Box.le_def
[]
[ 153, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/RingTheory/ChainOfDivisors.lean
DivisorChain.exists_chain_of_prime_pow
[ { "state_after": "case refine'_1\nM : Type u_1\ninst✝ : CancelCommMonoidWithZero M\np : Associates M\nn : ℕ\nhn : n ≠ 0\nhp : Prime p\n⊢ (fun i => p ^ ↑i) 1 = p\n\ncase refine'_2\nM : Type u_1\ninst✝ : CancelCommMonoidWithZero M\np : Associates M\nn✝ : ℕ\nhn : n✝ ≠ 0\nhp : Prime p\nn m : Fin (n✝ + 1)\nh : n < m...
[ 85, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_insert_of_eq_one_if_not_mem
[ { "state_after": "case pos\nι : Type ?u.267066\nβ : Type u\nα : Type v\nγ : Type w\ns s₁ s₂ : Finset α\na : α\nf g : α → β\ninst✝¹ : CommMonoid β\ninst✝ : DecidableEq α\nh : ¬a ∈ s → f a = 1\nhm : a ∈ s\n⊢ ∏ x in insert a s, f x = ∏ x in s, f x\n\ncase neg\nι : Type ?u.267066\nβ : Type u\nα : Type v\nγ : Type w...
[ 332, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/Topology/Algebra/Module/CharacterSpace.lean
WeakDual.CharacterSpace.coe_coe
[]
[ 72, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 71, 11 ]
Std/Data/Int/Lemmas.lean
Int.le_of_add_le_add_left
[ { "state_after": "a b c : Int\nh : a + b ≤ a + c\nthis : -a + (a + b) ≤ -a + (a + c)\n⊢ b ≤ c", "state_before": "a b c : Int\nh : a + b ≤ a + c\n⊢ b ≤ c", "tactic": "have : -a + (a + b) ≤ -a + (a + c) := Int.add_le_add_left h _" }, { "state_after": "a b c : Int\nh : a + b ≤ a + c\nthis : b ≤ c\n...
[ 766, 13 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 763, 11 ]
Mathlib/Data/Finset/Lattice.lean
Finset.induction_on_min_value
[]
[ 1685, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1683, 1 ]
Mathlib/Analysis/Normed/Group/Hom.lean
NormedAddGroupHom.lipschitz
[ { "state_after": "V : Type ?u.232658\nV₁ : Type u_1\nV₂ : Type u_2\nV₃ : Type ?u.232667\ninst✝³ : SeminormedAddCommGroup V\ninst✝² : SeminormedAddCommGroup V₁\ninst✝¹ : SeminormedAddCommGroup V₂\ninst✝ : SeminormedAddCommGroup V₃\nf g : NormedAddGroupHom V₁ V₂\nx y : V₁\n⊢ ‖↑f (x - y)‖ ≤ ↑{ val := ‖f‖, property...
[ 265, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 262, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Biproducts.lean
CategoryTheory.Limits.Bicone.toCocone_pt
[]
[ 131, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/CategoryTheory/Limits/Constructions/Filtered.lean
CategoryTheory.Limits.has_colimits_of_finite_and_filtered
[]
[ 90, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 87, 1 ]
Mathlib/LinearAlgebra/Matrix/Reindex.lean
Matrix.reindexLinearEquiv_apply
[]
[ 55, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 1 ]
Mathlib/Data/Finsupp/Interval.lean
Finsupp.card_Iio
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : Type u_2\ninst✝¹ : CanonicallyOrderedAddMonoid α\ninst✝ : LocallyFiniteOrder α\nf : ι →₀ α\n⊢ card (Iio f) = ∏ i in f.support, card (Iic (↑f i)) - 1", "tactic": "rw [card_Iio_eq_card_Iic_sub_one, card_Iic]" } ]
[ 143, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 142, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullbackConeOfRightIso_snd
[]
[ 1701, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1701, 1 ]
Mathlib/MeasureTheory/Measure/VectorMeasure.lean
MeasureTheory.VectorMeasure.map_id
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.169501\nm inst✝³ : MeasurableSpace α\ninst✝² : MeasurableSpace β\nM : Type u_2\ninst✝¹ : AddCommMonoid M\ninst✝ : TopologicalSpace M\nv : VectorMeasure α M\ni : Set α\nhi : MeasurableSet i\n⊢ ↑(map v id) i = ↑v i", "tactic": "rw [ma...
[ 594, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 593, 1 ]
Mathlib/Analysis/Calculus/ContDiffDef.lean
Filter.EventuallyEq.contDiffWithinAt_iff
[]
[ 471, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 468, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.eventually_sub_nonneg
[]
[ 1772, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1770, 1 ]
Mathlib/RingTheory/FractionalIdeal.lean
FractionalIdeal.map_mem_map
[]
[ 802, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 800, 1 ]
Std/Data/List/Init/Lemmas.lean
List.take_length
[]
[ 149, 97 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 149, 9 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
real_inner_self_nonpos
[]
[ 627, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 626, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.surjective_of_right_cancellable_Prop
[ { "state_after": "α : Sort u_1\nβ : Sort u_2\nγ : Sort ?u.7146\nf : α → β\nh : (fun y => ∃ x, f x = y) = fun x => True\n⊢ Surjective f", "state_before": "α : Sort u_1\nβ : Sort u_2\nγ : Sort ?u.7146\nf : α → β\nh : ∀ (g₁ g₂ : β → Prop), g₁ ∘ f = g₂ ∘ f → g₁ = g₂\n⊢ Surjective f", "tactic": "specialize h...
[ 238, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 235, 1 ]
Mathlib/LinearAlgebra/Basic.lean
Submodule.apply_coe_mem_map
[]
[ 721, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 720, 1 ]
Mathlib/Topology/UniformSpace/Completion.lean
UniformSpace.Completion.continuous_coe
[]
[ 450, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 449, 1 ]
Mathlib/Algebra/Module/LinearMap.lean
DistribMulActionHom.coe_toLinearMap
[]
[ 661, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 660, 1 ]
Mathlib/MeasureTheory/PiSystem.lean
piiUnionInter_mono_left
[]
[ 468, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 466, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.biUnion_subset_biUnion_left
[]
[ 878, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 876, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/CommSq.lean
CategoryTheory.IsPushout.of_vert_isIso
[]
[ 877, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 876, 1 ]
Mathlib/Data/Quot.lean
Quotient.liftOn₂_mk
[]
[ 338, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 335, 1 ]
Mathlib/CategoryTheory/EqToHom.lean
CategoryTheory.eqToIso_trans
[ { "state_after": "case w\nC : Type u₁\ninst✝ : Category C\nX Y Z : C\np : X = Y\nq : Y = Z\n⊢ (eqToIso p ≪≫ eqToIso q).hom = (eqToIso (_ : X = Z)).hom", "state_before": "C : Type u₁\ninst✝ : Category C\nX Y Z : C\np : X = Y\nq : Y = Z\n⊢ eqToIso p ≪≫ eqToIso q = eqToIso (_ : X = Z)", "tactic": "ext" }...
[ 145, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 144, 1 ]
Mathlib/Logic/Function/Iterate.lean
Function.iterate_zero_apply
[]
[ 50, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
Isometry.diam_range
[ { "state_after": "ι : Type ?u.61000\nα : Type u\nβ : Type v\nγ : Type w\ninst✝¹ : PseudoMetricSpace α\ninst✝ : PseudoMetricSpace β\nf : α → β\nhf : Isometry f\n⊢ Metric.diam (f '' univ) = Metric.diam univ", "state_before": "ι : Type ?u.61000\nα : Type u\nβ : Type v\nγ : Type w\ninst✝¹ : PseudoMetricSpace α\...
[ 231, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 229, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
NormedCommGroup.nhds_basis_norm_lt
[ { "state_after": "𝓕 : Type ?u.128861\n𝕜 : Type ?u.128864\nα : Type ?u.128867\nι : Type ?u.128870\nκ : Type ?u.128873\nE : Type u_1\nF : Type ?u.128879\nG : Type ?u.128882\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na a₁ a₂ b b₁ b₂ : E\nr r₁ r₂ : ℝ\nx : E\n⊢ H...
[ 766, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 763, 1 ]
Mathlib/Order/Filter/AtTopBot.lean
Filter.tendsto_neg_atTop_atBot
[]
[ 848, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 847, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.disjoint_biUnion_right
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.539269\ninst✝ : DecidableEq β\ns✝ s₁ s₂ : Finset α\nt✝ t₁ t₂ : α → Finset β\ns : Finset β\nt : Finset α\nf : α → Finset β\n⊢ _root_.Disjoint s (Finset.biUnion t f) ↔ ∀ (i : α), i ∈ t → _root_.Disjoint s (f i)", "tactic...
[ 3683, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3681, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.mem_of_get_eq
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ns : Computation α\nh✝ : Terminates s\na : α\nh : get s = a\n⊢ a ∈ s", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ns : Computation α\nh : Terminates s\na : α\n⊢ get s = a → a ∈ s", "tactic": "intro h" }, { "state_after": "α : Type u\n...
[ 472, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 472, 1 ]
Mathlib/Analysis/Convex/Segment.lean
openSegment_eq_image'
[ { "state_after": "case h.e'_3.h\n𝕜 : Type u_2\nE : Type u_1\nF : Type ?u.80863\nG : Type ?u.80866\nι : Type ?u.80869\nπ : ι → Type ?u.80874\ninst✝⁵ : OrderedRing 𝕜\ninst✝⁴ : AddCommGroup E\ninst✝³ : AddCommGroup F\ninst✝² : AddCommGroup G\ninst✝¹ : Module 𝕜 E\ninst✝ : Module 𝕜 F\nx y : E\na✝¹ : 𝕜\na✝ : a✝¹...
[ 221, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 217, 1 ]
Mathlib/Data/List/Zip.lean
List.unzip_swap
[ { "state_after": "α : Type u\nβ : Type u_1\nγ : Type ?u.85279\nδ : Type ?u.85282\nε : Type ?u.85285\nl : List (α × β)\n⊢ (map (Prod.fst ∘ Prod.swap) l, map (Prod.snd ∘ Prod.swap) l) = Prod.swap (map Prod.fst l, map Prod.snd l)", "state_before": "α : Type u\nβ : Type u_1\nγ : Type ?u.85279\nδ : Type ?u.85282...
[ 225, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 223, 1 ]
Mathlib/Data/Real/EReal.lean
EReal.sub_top
[]
[ 846, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 845, 1 ]
Mathlib/MeasureTheory/Integral/SetToL1.lean
MeasureTheory.L1.SimpleFunc.setToL1SCLM_congr_left
[ { "state_after": "no goals", "state_before": "α : Type u_1\nE : Type u_2\nF : Type u_3\nF' : Type ?u.794201\nG : Type ?u.794204\n𝕜 : Type ?u.794207\np : ℝ≥0∞\ninst✝⁹ : NormedAddCommGroup E\ninst✝⁸ : NormedSpace ℝ E\ninst✝⁷ : NormedAddCommGroup F\ninst✝⁶ : NormedSpace ℝ F\ninst✝⁵ : NormedAddCommGroup F'\nin...
[ 910, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 907, 1 ]
Mathlib/Analysis/Convex/Between.lean
Sbtw.not_rotate
[]
[ 412, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 411, 1 ]
Mathlib/Order/Filter/AtTopBot.lean
Filter.map_add_atTop_eq_nat
[ { "state_after": "no goals", "state_before": "ι : Type ?u.342691\nι' : Type ?u.342694\nα : Type ?u.342697\nβ : Type ?u.342700\nγ : Type ?u.342703\nk a : ℕ\nh : a ≥ k\n⊢ a ≤ (fun a => a - k) a + k", "tactic": "rw [tsub_add_cancel_of_le h]" } ]
[ 1641, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1639, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/ZeroObjects.lean
CategoryTheory.Limits.IsZero.eq_of_src
[]
[ 86, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/Analysis/Convex/Star.lean
starConvex_iInter
[]
[ 120, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/Topology/MetricSpace/Holder.lean
HolderOnWith.edist_le_of_le
[]
[ 120, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/RingTheory/Subring/Basic.lean
Subring.mem_center_iff
[]
[ 801, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 800, 1 ]
Mathlib/Algebra/Field/Basic.lean
add_div
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.34\nK : Type ?u.37\ninst✝ : DivisionSemiring α\na✝ b✝ c✝ d a b c : α\n⊢ (a + b) / c = a / c + b / c", "tactic": "simp_rw [div_eq_mul_inv, add_mul]" } ]
[ 32, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 32, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.LiftRelAux.swap
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nR : α → β → Prop\nC : Computation α → Computation β → Prop\na : α ⊕ Computation α\nb : β ⊕ Computation β\n⊢ LiftRelAux (Function.swap R) (Function.swap C) b a = LiftRelAux R C a b", "tactic": "cases' a with a ca <;> cases'...
[ 1276, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1274, 1 ]
Mathlib/Geometry/Euclidean/Inversion.lean
EuclideanGeometry.dist_inversion_inversion
[ { "state_after": "V : Type u_2\nP : Type u_1\ninst✝³ : NormedAddCommGroup V\ninst✝² : InnerProductSpace ℝ V\ninst✝¹ : MetricSpace P\ninst✝ : NormedAddTorsor V P\na b c d x y z : P\nR✝ : ℝ\nhx : x ≠ c\nhy : y ≠ c\nR : ℝ\n⊢ dist ((R / dist x c) ^ 2 • (x -ᵥ c) +ᵥ c) ((R / dist y c) ^ 2 • (y -ᵥ c) +ᵥ c) =\n R ^ ...
[ 114, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 109, 1 ]
Mathlib/Order/Cover.lean
apply_wcovby_apply_iff
[]
[ 134, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.compSL_apply
[]
[ 943, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 942, 1 ]
Mathlib/Data/List/Join.lean
List.join_filter_ne_nil
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.2829\ninst✝ : DecidablePred fun l => l ≠ []\nL : List (List α)\n⊢ join (filter (fun l => decide (l ≠ [])) L) = join L", "tactic": "simp [join_filter_isEmpty_eq_false, ← isEmpty_iff_eq_nil]" } ]
[ 65, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 63, 1 ]
Mathlib/Topology/Category/TopCat/Basic.lean
TopCat.openEmbedding_iff_comp_isIso
[]
[ 165, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 163, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.Chain.eq_nil_of_well_founded
[]
[ 1036, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1035, 1 ]
Mathlib/Data/Complex/Exponential.lean
Complex.cos_neg
[ { "state_after": "no goals", "state_before": "x y : ℂ\n⊢ cos (-x) = cos x", "tactic": "simp [cos, sub_eq_add_neg, exp_neg, add_comm]" } ]
[ 857, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 857, 1 ]
Mathlib/Data/Polynomial/Laurent.lean
LaurentPolynomial.T_zero
[]
[ 174, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 173, 1 ]
Mathlib/Algebra/Hom/Centroid.lean
CentroidHom.toEnd_neg
[]
[ 460, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 459, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
Left.inv_le_one_iff
[ { "state_after": "α : Type u\ninst✝² : Group α\ninst✝¹ : LE α\ninst✝ : CovariantClass α α (fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1\na b c d : α\n⊢ a * a⁻¹ ≤ a * 1 ↔ 1 ≤ a", "state_before": "α : Type u\ninst✝² : Group α\ninst✝¹ : LE α\ninst✝ : CovariantClass α α (fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1...
[ 103, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 101, 1 ]
Mathlib/Data/ZMod/Coprime.lean
ZMod.eq_zero_iff_gcd_ne_one
[ { "state_after": "no goals", "state_before": "a : ℤ\np : ℕ\npp : Fact (Nat.Prime p)\n⊢ ↑a = 0 ↔ Int.gcd a ↑p ≠ 1", "tactic": "rw [Ne, Int.gcd_comm, Int.gcd_eq_one_iff_coprime,\n (Nat.prime_iff_prime_int.1 pp.1).coprime_iff_not_dvd, Classical.not_not,\n int_cast_zmod_eq_zero_iff_dvd]" } ]
[ 30, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 26, 1 ]
Mathlib/Algebra/FreeAlgebra.lean
FreeAlgebra.ι_comp_lift
[ { "state_after": "case h\nR : Type u_3\ninst✝² : CommSemiring R\nX : Type u_1\nA : Type u_2\ninst✝¹ : Semiring A\ninst✝ : Algebra R A\nf : X → A\nx✝ : X\n⊢ (↑(↑(lift R) f) ∘ ι R) x✝ = f x✝", "state_before": "R : Type u_3\ninst✝² : CommSemiring R\nX : Type u_1\nA : Type u_2\ninst✝¹ : Semiring A\ninst✝ : Alge...
[ 343, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/AlgebraicGeometry/ProjectiveSpectrum/Topology.lean
ProjectiveSpectrum.gc_ideal
[]
[ 137, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Std/Data/Option/Lemmas.lean
Option.eq_none_iff_forall_not_mem
[ { "state_after": "α✝ : Type u_1\no : Option α✝\ne : o = none\na : α✝\nh : a ∈ none\n⊢ False", "state_before": "α✝ : Type u_1\no : Option α✝\ne : o = none\na : α✝\nh : a ∈ o\n⊢ False", "tactic": "rw [e] at h" }, { "state_after": "no goals", "state_before": "α✝ : Type u_1\no : Option α✝\ne : o...
[ 49, 77 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 48, 1 ]
Mathlib/Analysis/SpecialFunctions/Integrals.lean
intervalIntegral.intervalIntegrable_inv
[ { "state_after": "no goals", "state_before": "a b : ℝ\nn : ℕ\nf : ℝ → ℝ\nμ ν : MeasureTheory.Measure ℝ\ninst✝ : IsLocallyFiniteMeasure μ\nc d : ℝ\nh : ∀ (x : ℝ), x ∈ [[a, b]] → f x ≠ 0\nhf : ContinuousOn f [[a, b]]\n⊢ IntervalIntegrable (fun x => (f x)⁻¹) μ a b", "tactic": "simpa only [one_div] using in...
[ 203, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 201, 1 ]
Mathlib/Order/Partition/Finpartition.lean
Finpartition.le
[]
[ 159, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 11 ]
Mathlib/Topology/MetricSpace/PartitionOfUnity.lean
EMetric.exists_continuous_real_forall_closedBall_subset
[ { "state_after": "no goals", "state_before": "ι : Type u_2\nX : Type u_1\ninst✝ : EMetricSpace X\nK U : ι → Set X\nhK : ∀ (i : ι), IsClosed (K i)\nhU : ∀ (i : ι), IsOpen (U i)\nhKU : ∀ (i : ι), K i ⊆ U i\nhfin : LocallyFinite K\n⊢ ∃ δ, (∀ (x : X), 0 < ↑δ x) ∧ ∀ (i : ι) (x : X), x ∈ K i → closedBall x (ENNRe...
[ 95, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 89, 1 ]
Mathlib/GroupTheory/Submonoid/Operations.lean
Submonoid.prod_mono
[]
[ 867, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 865, 1 ]
Mathlib/CategoryTheory/GlueData.lean
CategoryTheory.GlueData.diagram_left
[]
[ 186, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 185, 1 ]
src/lean/Init/Prelude.lean
Nat.ble_succ_eq_true
[]
[ 1686, 53 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 1684, 1 ]
Mathlib/CategoryTheory/Types.lean
CategoryTheory.uliftFunctor_map
[]
[ 211, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 209, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
coe_nndist
[]
[ 313, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.nat_succ
[]
[ 1431, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1430, 11 ]
Mathlib/Algebra/Order/Kleene.lean
add_eq_sup
[]
[ 137, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 1 ]
Mathlib/Order/WithBot.lean
WithBot.lt_iff_exists_coe_btwn
[]
[ 530, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 524, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
iSup_nhds_le_uniformity
[]
[ 926, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 925, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.vsub_eq_empty
[]
[ 1483, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1482, 1 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Trivialization.mem_source
[ { "state_after": "no goals", "state_before": "ι : Type ?u.23235\nB : Type u_2\nF : Type u_3\nE : B → Type ?u.23246\nZ : Type u_1\ninst✝³ : TopologicalSpace B\ninst✝² : TopologicalSpace F\nproj : Z → B\ninst✝¹ : TopologicalSpace Z\ninst✝ : TopologicalSpace (TotalSpace E)\ne : Trivialization F proj\nx : Z\n⊢ ...
[ 360, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 360, 1 ]
Mathlib/RingTheory/NonUnitalSubsemiring/Basic.lean
NonUnitalSubsemiring.closure_union
[]
[ 728, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 727, 1 ]
Mathlib/Algebra/Order/Module.lean
smul_add_smul_le_smul_add_smul
[ { "state_after": "case intro\nk : Type u_2\nM : Type u_1\nN : Type ?u.53981\ninst✝⁴ : OrderedRing k\ninst✝³ : OrderedAddCommGroup M\ninst✝² : Module k M\ninst✝¹ : OrderedSMul k M\na✝ b✝ : M\nc✝ : k\ninst✝ : ContravariantClass M M (fun x x_1 => x + x_1) fun x x_1 => x ≤ x_1\na : k\nc d : M\nhcd : c ≤ d\nb : k\nh...
[ 125, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Data/Int/Parity.lean
Int.even_iff_not_odd
[ { "state_after": "no goals", "state_before": "m n : ℤ\n⊢ Even n ↔ ¬Odd n", "tactic": "rw [not_odd_iff, even_iff]" } ]
[ 56, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/LinearAlgebra/SymplecticGroup.lean
Matrix.J_inv
[ { "state_after": "l : Type u_1\nR : Type u_2\ninst✝² : DecidableEq l\ninst✝¹ : CommRing R\ninst✝ : Fintype l\n⊢ J l R ⬝ (-J l R) = 1", "state_before": "l : Type u_1\nR : Type u_2\ninst✝² : DecidableEq l\ninst✝¹ : CommRing R\ninst✝ : Fintype l\n⊢ (J l R)⁻¹ = -J l R", "tactic": "refine' Matrix.inv_eq_righ...
[ 65, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/MeasureTheory/Constructions/Polish.lean
MeasureTheory.measurableSet_exists_tendsto
[ { "state_after": "case pos\nα : Type ?u.327871\ninst✝⁷ : TopologicalSpace α\nι : Type u_2\nγ : Type u_1\ntγ : TopologicalSpace γ\ninst✝⁶ : PolishSpace γ\ninst✝⁵ : MeasurableSpace γ\nhγb : BorelSpace γ\nβ : Type u_3\ntβ : TopologicalSpace β\ninst✝⁴ : T2Space β\ninst✝³ : MeasurableSpace β\ninst✝² : BorelSpace β\n...
[ 706, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 680, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Filter.lean
BoxIntegral.IntegrationParams.MemBaseSet.exists_common_compl
[ { "state_after": "case inr\nι : Type u_1\ninst✝ : Fintype ι\nI J : Box ι\nc c₁ c₂ : ℝ≥0\nr r₁ r₂ : (ι → ℝ) → ↑(Set.Ioi 0)\nπ π₁ π₂ : TaggedPrepartition I\nl l₁ l₂ : IntegrationParams\nh₁ : MemBaseSet l I c₁ r₁ π₁\nh₂ : MemBaseSet l I c₂ r₂ π₂\nhU : TaggedPrepartition.iUnion π₁ = TaggedPrepartition.iUnion π₂\nH ...
[ 385, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 374, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
mem_uniformity_isClosed
[]
[ 1005, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1003, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
coplanar_iff_finrank_le_two
[ { "state_after": "k : Type u_2\nV : Type u_3\nP : Type u_1\nι : Type ?u.343704\ninst✝⁴ : DivisionRing k\ninst✝³ : AddCommGroup V\ninst✝² : Module k V\ninst✝¹ : AffineSpace V P\ns : Set P\ninst✝ : FiniteDimensional k { x // x ∈ vectorSpan k s }\nh : Coplanar k s ↔ Module.rank k { x // x ∈ vectorSpan k s } ≤ 2\n⊢...
[ 629, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/Computability/Partrec.lean
Computable.list_get?
[]
[ 354, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 353, 1 ]
Mathlib/Topology/Sheaves/SheafCondition/Sites.lean
TopCat.Sheaf.hom_ext
[ { "state_after": "case a\nC : Type u\ninst✝ : Category C\nX : TopCat\nι : Type ?u.35577\nB : ι → Opens ↑X\nF : Presheaf C X\nF' : Sheaf C X\nh : Opens.IsBasis (Set.range B)\nα β : F ⟶ F'.val\nhe : ∀ (i : ι), α.app (B i).op = β.app (B i).op\n⊢ ↑(restrictHomEquivHom F F' h).symm α = ↑(restrictHomEquivHom F F' h)....
[ 228, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.map_comap_of_surjective
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ✝ : Type ?u.121899\nR : Type ?u.121902\nR' : Type ?u.121905\nms : Set (OuterMeasure α)\nm✝ : OuterMeasure α\nβ : Type u_1\nf : α → β\nhf : Surjective f\nm : OuterMeasure β\ns : Set β\n⊢ ↑(↑(map f) (↑(comap f) m)) s = ↑m s", "tactic": "rw [map_...
[ 613, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 611, 1 ]
Mathlib/GroupTheory/Perm/Sign.lean
Equiv.Perm.sign_symm_trans_trans
[]
[ 608, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 606, 1 ]
Mathlib/RingTheory/IsTensorProduct.lean
IsBaseChange.iff_lift_unique
[ { "state_after": "R : Type u_1\nM : Type v₁\nN : Type v₂\nS : Type v₃\ninst✝¹⁶ : AddCommMonoid M\ninst✝¹⁵ : AddCommMonoid N\ninst✝¹⁴ : CommRing R\ninst✝¹³ : CommRing S\ninst✝¹² : Algebra R S\ninst✝¹¹ : Module R M\ninst✝¹⁰ : Module R N\ninst✝⁹ : Module S N\ninst✝⁸ : IsScalarTower R S N\nf : M →ₗ[R] N\nh✝ : IsBas...
[ 310, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]