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list
Mathlib/Order/Filter/SmallSets.lean
Filter.hasBasis_smallSets
[]
[ 55, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 1 ]
Mathlib/Analysis/NormedSpace/Basic.lean
algebraMap_isometry
[ { "state_after": "α : Type ?u.578231\nβ : Type ?u.578234\nγ : Type ?u.578237\nι : Type ?u.578240\n𝕜 : Type u_2\n𝕜' : Type u_1\ninst✝³ : NormedField 𝕜\ninst✝² : SeminormedRing 𝕜'\ninst✝¹ : NormedAlgebra 𝕜 𝕜'\ninst✝ : NormOneClass 𝕜'\nx y : 𝕜\n⊢ dist (↑(algebraMap 𝕜 𝕜') x) (↑(algebraMap 𝕜 𝕜') y) = dis...
[ 541, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 539, 1 ]
Mathlib/Data/List/Basic.lean
List.reduceOption_concat_of_some
[ { "state_after": "no goals", "state_before": "ι : Type ?u.369210\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\nl : List (Option α)\nx : α\n⊢ reduceOption (concat l (some x)) = concat (reduceOption l) x", "tactic": "simp only [reduceOption_nil, concat_eq_append, reduceOption_append, re...
[ 3493, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3491, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Order.lean
tsum_ne_zero_iff
[ { "state_after": "no goals", "state_before": "ι : Type u_2\nκ : Type ?u.55666\nα : Type u_1\ninst✝² : CanonicallyOrderedAddMonoid α\ninst✝¹ : TopologicalSpace α\ninst✝ : OrderClosedTopology α\nf : ι → α\na : α\nhf : Summable f\n⊢ (∑' (i : ι), f i) ≠ 0 ↔ ∃ x, f x ≠ 0", "tactic": "rw [Ne.def, tsum_eq_zero...
[ 218, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 217, 1 ]
Mathlib/Topology/Algebra/Monoid.lean
continuousOn_finset_prod
[]
[ 772, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 770, 1 ]
Mathlib/RingTheory/WittVector/Basic.lean
WittVector.mapFun.neg
[ { "state_after": "no goals", "state_before": "p : ℕ\nR : Type u_2\nS : Type u_1\nT : Type ?u.310095\nhp : Fact (Nat.Prime p)\ninst✝² : CommRing R\ninst✝¹ : CommRing S\ninst✝ : CommRing T\nα : Type ?u.310110\nβ : Type ?u.310113\nf : R →+* S\nx y : 𝕎 R\n⊢ mapFun (↑f) (-x) = -mapFun (↑f) x", "tactic": "ma...
[ 124, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Data/ZMod/Basic.lean
ZMod.int_cast_comp_cast
[ { "state_after": "case zero\nR : Type u_1\ninst✝ : Ring R\n⊢ Int.cast ∘ cast = cast\n\ncase succ\nR : Type u_1\ninst✝ : Ring R\nn✝ : ℕ\n⊢ Int.cast ∘ cast = cast", "state_before": "n : ℕ\nR : Type u_1\ninst✝ : Ring R\n⊢ Int.cast ∘ cast = cast", "tactic": "cases n" }, { "state_after": "case succ.h...
[ 253, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 249, 1 ]
Mathlib/Algebra/Order/Monoid/Canonical/Defs.lean
le_iff_exists_mul'
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝ : CanonicallyOrderedMonoid α\na b c d : α\n⊢ a ≤ b ↔ ∃ c, b = c * a", "tactic": "simp only [mul_comm _ a, le_iff_exists_mul]" } ]
[ 214, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Type.lean
Equiv.Perm.filter_parts_partition_eq_cycleType
[ { "state_after": "α : Type u_1\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nσ : Perm α\na : ℕ\nh : a ∈ replicate (Fintype.card α - Finset.card (support σ)) 1\n⊢ ¬2 ≤ a", "state_before": "α : Type u_1\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nσ : Perm α\n⊢ filter (fun n => 2 ≤ n) (partition σ).parts = cycle...
[ 540, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 535, 1 ]
Mathlib/Topology/MetricSpace/Completion.lean
LipschitzWith.completion_extension
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\ninst✝² : PseudoMetricSpace α\ninst✝¹ : MetricSpace β\ninst✝ : CompleteSpace β\nf : α → β\nK : ℝ≥0\nh : LipschitzWith K f\nx y : Completion α\n⊢ Continuous fun x => dist (Completion.extension f x.fst) (Completion.extension f x.snd)", "...
[ 201, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 197, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
Continuous.measurable2
[]
[ 951, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 948, 1 ]
Mathlib/Data/Multiset/Functor.lean
Multiset.traverse_map
[ { "state_after": "F : Type u → Type u\ninst✝³ : Applicative F\ninst✝² : CommApplicative F\nα' β' : Type u\nf : α' → F β'\nG : Type u_1 → Type u_1\ninst✝¹ : Applicative G\ninst✝ : CommApplicative G\nα β γ : Type u_1\ng : α → β\nh : β → G γ\nx : Multiset α\n⊢ ∀ (a : List α), traverse h (map g (Quotient.mk (isSeto...
[ 135, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 1 ]
Mathlib/Topology/Algebra/WithZeroTopology.lean
WithZeroTopology.Iio_mem_nhds
[ { "state_after": "no goals", "state_before": "α : Type ?u.83617\nΓ₀ : Type u_1\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\nγ γ₁ γ₂ : Γ₀\nl : Filter α\nf : α → Γ₀\nh : γ₁ < γ₂\n⊢ Iio γ₂ ∈ 𝓝 γ₁", "tactic": "rcases eq_or_ne γ₁ 0 with (rfl | h₀) <;> simp [*, h.ne', Iio_mem_nhds_zero]" } ]
[ 132, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/RingTheory/HahnSeries.lean
Polynomial.algebraMap_hahnSeries_apply
[]
[ 1325, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1323, 1 ]
Mathlib/Data/Part.lean
Part.some_mul_some
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.57768\nγ : Type ?u.57771\ninst✝ : Mul α\na b : α\n⊢ some a * some b = some (a * b)", "tactic": "simp [mul_def]" } ]
[ 740, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 740, 1 ]
Mathlib/LinearAlgebra/Pi.lean
LinearMap.pi_zero
[ { "state_after": "case h.h\nR : Type u\nK : Type u'\nM : Type v\nV : Type v'\nM₂ : Type w\nV₂ : Type w'\nM₃ : Type y\nV₃ : Type y'\nM₄ : Type z\nι : Type x\nι' : Type x'\ninst✝⁶ : Semiring R\ninst✝⁵ : AddCommMonoid M₂\ninst✝⁴ : Module R M₂\ninst✝³ : AddCommMonoid M₃\ninst✝² : Module R M₃\nφ : ι → Type i\ninst✝¹...
[ 72, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Topology/Separation.lean
compl_singleton_mem_nhds
[]
[ 622, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 621, 1 ]
Mathlib/Algebra/Group/Basic.lean
div_one
[ { "state_after": "no goals", "state_before": "α : Type ?u.20357\nβ : Type ?u.20360\nG : Type u_1\ninst✝ : DivInvOneMonoid G\na : G\n⊢ a / 1 = a", "tactic": "simp [div_eq_mul_inv]" } ]
[ 341, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 341, 1 ]
Mathlib/Data/Real/Sign.lean
Real.sign_mul_pos_of_ne_zero
[ { "state_after": "r : ℝ\nhr : r ≠ 0\nh : 0 = sign r * r\n⊢ r = 0", "state_before": "r : ℝ\nhr : r ≠ 0\n⊢ 0 < sign r * r", "tactic": "refine' lt_of_le_of_ne (sign_mul_nonneg r) fun h => hr _" }, { "state_after": "r : ℝ\nhr : r ≠ 0\nh : 0 = sign r * r\nhs0 : sign r = 0\n⊢ r = 0", "state_before...
[ 104, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 101, 1 ]
Mathlib/Topology/Algebra/Polynomial.lean
Polynomial.continuousAt
[]
[ 64, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 63, 11 ]
Mathlib/SetTheory/ZFC/Basic.lean
ZFSet.nonempty_of_mem
[]
[ 754, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 753, 1 ]
Mathlib/Data/Finset/LocallyFinite.lean
Finset.uIcc_subset_uIcc_iff_mem
[]
[ 944, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 943, 1 ]
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
Polynomial.coeff_scaleRoots
[ { "state_after": "no goals", "state_before": "A : Type ?u.2391\nK : Type ?u.2394\nR : Type u_1\nS : Type ?u.2400\ninst✝⁴ : CommRing A\ninst✝³ : IsDomain A\ninst✝² : Field K\ninst✝¹ : CommRing R\ninst✝ : CommRing S\nM : Submonoid A\np : R[X]\ns : R\ni : ℕ\n⊢ coeff (scaleRoots p s) i = coeff p i * s ^ (natDeg...
[ 38, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 36, 1 ]
Mathlib/CategoryTheory/Monoidal/Braided.lean
CategoryTheory.tensor_associativity
[ { "state_after": "C : Type u₁\ninst✝⁸ : Category C\ninst✝⁷ : MonoidalCategory C\ninst✝⁶ : BraidedCategory C\nD : Type u₂\ninst✝⁵ : Category D\ninst✝⁴ : MonoidalCategory D\ninst✝³ : BraidedCategory D\nE : Type u₃\ninst✝² : Category E\ninst✝¹ : MonoidalCategory E\ninst✝ : BraidedCategory E\nX₁ X₂ Y₁ Y₂ Z₁ Z₂ : C\...
[ 555, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 473, 1 ]
Mathlib/Data/Complex/ExponentialBounds.lean
Real.log_two_gt_d9
[ { "state_after": "no goals", "state_before": "⊢ 0.6931471803 < 287209 / 414355 - 1 / 10 ^ 10", "tactic": "norm_num1" } ]
[ 75, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/RingTheory/Algebraic.lean
Polynomial.algebraMap_pi_self_eq_eval
[]
[ 477, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 475, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_neg_one
[ { "state_after": "x✝ y z x : ℝ\nH : x ^ ↑(-1) = x⁻¹\n⊢ x ^ (-1) = x⁻¹\n\ncase H\nx✝ y z x : ℝ\n⊢ x ^ ↑(-1) = x⁻¹", "state_before": "x✝ y z x : ℝ\n⊢ x ^ (-1) = x⁻¹", "tactic": "suffices H : x ^ ((-1 : ℤ) : ℝ) = x⁻¹" }, { "state_after": "no goals", "state_before": "case H\nx✝ y z x : ℝ\n⊢ x ^ ...
[ 372, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 370, 1 ]
Mathlib/Data/IsROrC/Basic.lean
IsROrC.im_le_norm
[]
[ 737, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 736, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieSubmodule.nontrivial_iff
[]
[ 539, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 536, 1 ]
Mathlib/GroupTheory/GroupAction/Defs.lean
MulDistribMulAction.toMonoidHom_apply
[]
[ 1036, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1034, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.measure_mono_null
[]
[ 200, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.ext
[]
[ 562, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 561, 1 ]
Mathlib/Data/Finset/Lattice.lean
Set.iUnion_eq_iUnion_finset
[]
[ 1855, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1854, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.sum_sub_index
[ { "state_after": "ι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ndec : DecidableEq ι\ninst✝² : (i : ι) → AddGroup (β i)\ninst✝¹ : (i : ι) → (x : β i) → Decidable (x ≠ 0)\ninst✝ : AddCommGroup γ\nf g : Π₀ (i : ι), β i\nh : (i : ι) → β i → γ\nh_sub : ∀ (i : ι) (b₁ b₂ : β i), h i (b₁ -...
[ 2081, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2076, 1 ]
Mathlib/Algebra/Quaternion.lean
Quaternion.sub_self_im
[]
[ 823, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 823, 16 ]
Mathlib/GroupTheory/Sylow.lean
Sylow.pow_dvd_card_of_pow_dvd_card
[]
[ 665, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 661, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Equalizers.lean
CategoryTheory.Limits.Cofork.condition
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝ : Category C\nX Y : C\nf g : X ⟶ Y\nt : Cofork f g\n⊢ f ≫ π t = g ≫ π t", "tactic": "rw [← t.app_zero_eq_comp_π_left, ← t.app_zero_eq_comp_π_right]" } ]
[ 398, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 397, 1 ]
Mathlib/Order/Basic.lean
eq_of_forall_le_iff
[]
[ 525, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 524, 1 ]
Mathlib/Analysis/Convex/Between.lean
Wbtw.trans_right_ne
[ { "state_after": "R : Type u_1\nV : Type u_2\nV' : Type ?u.323287\nP : Type u_3\nP' : Type ?u.323293\ninst✝⁷ : OrderedRing R\ninst✝⁶ : AddCommGroup V\ninst✝⁵ : Module R V\ninst✝⁴ : AddTorsor V P\ninst✝³ : AddCommGroup V'\ninst✝² : Module R V'\ninst✝¹ : AddTorsor V' P'\ninst✝ : NoZeroSMulDivisors R V\nw x z : P\...
[ 514, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 511, 1 ]
Mathlib/Analysis/Convex/Function.lean
ConvexOn.smul
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_1\nE : Type u_2\nF : Type ?u.724295\nα : Type ?u.724298\nβ : Type u_3\nι : Type ?u.724304\ninst✝⁵ : OrderedCommSemiring 𝕜\ninst✝⁴ : AddCommMonoid E\ninst✝³ : OrderedAddCommMonoid β\ninst✝² : SMul 𝕜 E\ninst✝¹ : Module 𝕜 β\ninst✝ : OrderedSMul 𝕜 β\...
[ 983, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 978, 1 ]
Mathlib/GroupTheory/Subgroup/Finite.lean
Subgroup.list_prod_mem
[]
[ 54, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 11 ]
Mathlib/GroupTheory/Submonoid/Operations.lean
Submonoid.bot_or_exists_ne_one
[]
[ 1389, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1388, 1 ]
Mathlib/Algebra/Homology/Homotopy.lean
Homotopy.nullHomotopicMap'_f
[ { "state_after": "ι : Type u_1\nV : Type u\ninst✝¹ : Category V\ninst✝ : Preadditive V\nc : ComplexShape ι\nC D E : HomologicalComplex V c\nf g : C ⟶ D\nh✝ k : D ⟶ E\ni k₂ k₁ k₀ : ι\nr₂₁ : ComplexShape.Rel c k₂ k₁\nr₁₀ : ComplexShape.Rel c k₁ k₀\nh : (i j : ι) → ComplexShape.Rel c j i → (X C i ⟶ X D j)\n⊢ Hom.f...
[ 383, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 376, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
Valuation.coe_coe
[]
[ 153, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/NumberTheory/Divisors.lean
Nat.mem_divisors_prime_pow
[ { "state_after": "n p : ℕ\npp : Prime p\nk x : ℕ\n⊢ (∃ k_1, k_1 ≤ k ∧ x = p ^ k_1) ↔ ∃ j x_1, x = p ^ j", "state_before": "n p : ℕ\npp : Prime p\nk x : ℕ\n⊢ x ∈ divisors (p ^ k) ↔ ∃ j x_1, x = p ^ j", "tactic": "rw [mem_divisors, Nat.dvd_prime_pow pp, and_iff_left (ne_of_gt (pow_pos pp.pos k))]" }, ...
[ 313, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 310, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.pure_injective
[]
[ 2599, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2598, 1 ]
Mathlib/RingTheory/FinitePresentation.lean
AlgHom.FinitePresentation.of_finiteType
[]
[ 526, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 525, 1 ]
Mathlib/MeasureTheory/Function/ConvergenceInMeasure.lean
MeasureTheory.TendstoInMeasure.congr_right
[]
[ 99, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Std/Data/List/Lemmas.lean
List.extractP_eq_find?_eraseP
[ { "state_after": "no goals", "state_before": "α : Type u_1\np : α → Bool\nl : List α\n⊢ extractP p l = (find? p l, eraseP p l)", "tactic": "exact go #[] _ rfl" }, { "state_after": "no goals", "state_before": "α : Type u_1\np : α → Bool\nl : List α\nacc : Array α\nh : l = acc.data ++ []\n⊢ ex...
[ 1021, 21 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1013, 9 ]
Mathlib/LinearAlgebra/Matrix/ToLin.lean
LinearMap.toMatrix'_symm
[]
[ 319, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 317, 1 ]
Mathlib/Data/Polynomial/FieldDivision.lean
Polynomial.degree_div_lt
[ { "state_after": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Field R\np q : R[X]\nhp : p ≠ 0\nhq : 0 < degree q\nhq0 : q ≠ 0\n⊢ degree (p / q) < degree p", "state_before": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Field R\np q : R[X]\nhp : p ≠ 0\nh...
[ 274, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
Mathlib/Data/Set/Ncard.lean
Set.ncard_eq_three
[ { "state_after": "case refine'_1\nα : Type u_1\nβ : Type ?u.164615\ns t : Set α\na b x y : α\nf : α → β\nh : ncard s = 3\n⊢ ∃ x y z, x ≠ y ∧ x ≠ z ∧ y ≠ z ∧ s = {x, y, z}\n\ncase refine'_2\nα : Type u_1\nβ : Type ?u.164615\ns t : Set α\na b x y : α\nf : α → β\n⊢ (∃ x y z, x ≠ y ∧ x ≠ z ∧ y ≠ z ∧ s = {x, y, z}) ...
[ 767, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 757, 1 ]
Mathlib/Control/Traversable/Basic.lean
ApplicativeTransformation.preserves_map'
[ { "state_after": "case h\nF : Type u → Type v\ninst✝³ : Applicative F\ninst✝² : LawfulApplicative F\nG : Type u → Type w\ninst✝¹ : Applicative G\ninst✝ : LawfulApplicative G\nη : ApplicativeTransformation F G\nα β : Type u\nx : α → β\ny : F α\n⊢ ((fun {α} => app η α) ∘ Functor.map x) y = (Functor.map x ∘ fun {α...
[ 159, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 157, 1 ]
Mathlib/Topology/MetricSpace/Lipschitz.lean
LipschitzWith.comp_lipschitzOnWith
[]
[ 236, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Order/Iterate.lean
Monotone.antitone_iterate_of_map_le
[]
[ 244, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 243, 1 ]
Mathlib/CategoryTheory/Abelian/Exact.lean
CategoryTheory.Abelian.exact_iff_exact_coimage_π
[ { "state_after": "C : Type u₁\ninst✝¹ : Category C\ninst✝ : Abelian C\nX Y Z : C\nf : X ⟶ Y\ng : Y ⟶ Z\n⊢ Exact f (coimage.π g ≫ Abelian.factorThruCoimage g) ↔ Exact f (coimage.π g)", "state_before": "C : Type u₁\ninst✝¹ : Category C\ninst✝ : Abelian C\nX Y Z : C\nf : X ⟶ Y\ng : Y ⟶ Z\n⊢ Exact f g ↔ Exact f...
[ 249, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 247, 1 ]
Mathlib/Combinatorics/SimpleGraph/Density.lean
Rel.interedges_disjoint_left
[ { "state_after": "𝕜 : Type ?u.5508\nι : Type ?u.5511\nκ : Type ?u.5514\nα : Type u_1\nβ : Type u_2\ninst✝¹ : LinearOrderedField 𝕜\nr : α → β → Prop\ninst✝ : (a : α) → DecidablePred (r a)\ns✝ s₁ s₂ : Finset α\nt✝ t₁ t₂ : Finset β\na : α\nb : β\nδ : 𝕜\ns s' : Finset α\nhs : ∀ ⦃a : α⦄, a ∈ s → ¬a ∈ s'\nt : Fins...
[ 93, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
finrank_vectorSpan_le_iff_not_affineIndependent
[]
[ 207, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/Order/CompleteLattice.lean
iSup_lt_iff
[]
[ 921, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 920, 1 ]
Mathlib/RingTheory/Noetherian.lean
isNoetherianRing_iff
[]
[ 493, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 492, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.countp_eq_card_filter
[]
[ 2226, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2225, 1 ]
Mathlib/Analysis/Normed/Group/Hom.lean
NormedAddGroupHom.coe_ker
[]
[ 771, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 770, 1 ]
Mathlib/Data/Set/Intervals/OrdConnected.lean
Set.ordConnected_Ico
[]
[ 161, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 160, 1 ]
Mathlib/Algebra/BigOperators/NatAntidiagonal.lean
Finset.Nat.prod_antidiagonal_succ
[ { "state_after": "M : Type u_1\nN : Type ?u.17\ninst✝¹ : CommMonoid M\ninst✝ : AddCommMonoid N\nn : ℕ\nf : ℕ × ℕ → M\n⊢ f (0, n + 1) *\n ∏ x in antidiagonal n,\n f\n (↑(Function.Embedding.prodMap { toFun := Nat.succ, inj' := Nat.succ_injective } (Function.Embedding.refl ℕ))\n x) ...
[ 30, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 28, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.conjTranspose_list_prod
[]
[ 2331, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2329, 1 ]
Mathlib/Order/Filter/Lift.lean
Filter.monotone_lift'
[]
[ 341, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/LinearAlgebra/AffineSpace/AffineMap.lean
AffineMap.linear_injective_iff
[ { "state_after": "case intro\nk : Type u_1\nV1 : Type u_2\nP1 : Type u_3\nV2 : Type u_4\nP2 : Type u_5\nV3 : Type ?u.361436\nP3 : Type ?u.361439\nV4 : Type ?u.361442\nP4 : Type ?u.361445\ninst✝¹² : Ring k\ninst✝¹¹ : AddCommGroup V1\ninst✝¹⁰ : Module k V1\ninst✝⁹ : AffineSpace V1 P1\ninst✝⁸ : AddCommGroup V2\nin...
[ 474, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 468, 1 ]
Mathlib/LinearAlgebra/FiniteDimensional.lean
finrank_span_singleton
[ { "state_after": "case a\nK : Type u\nV : Type v\ninst✝² : DivisionRing K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nv : V\nhv : v ≠ 0\n⊢ finrank K { x // x ∈ span K {v} } ≤ 1\n\ncase a\nK : Type u\nV : Type v\ninst✝² : DivisionRing K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nv : V\nhv : v ≠ 0\n⊢ 1 ≤ fin...
[ 1155, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1150, 1 ]
Mathlib/Data/Set/Finite.lean
Set.eq_of_subset_of_card_le
[]
[ 1247, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1245, 1 ]
Mathlib/Data/Int/Units.lean
Int.eq_of_mul_eq_one
[]
[ 66, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 64, 1 ]
Mathlib/Data/Rat/Order.lean
Rat.le_refl
[ { "state_after": "a b c : ℚ\n⊢ Rat.Nonneg (a - a)", "state_before": "a b c : ℚ\n⊢ a ≤ a", "tactic": "rw [Rat.le_iff_Nonneg]" }, { "state_after": "a b c : ℚ\n⊢ Rat.Nonneg (a - a)", "state_before": "a b c : ℚ\n⊢ Rat.Nonneg (a - a)", "tactic": "show Rat.Nonneg (a - a)" }, { "state_a...
[ 165, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 11 ]
Mathlib/LinearAlgebra/LinearPMap.lean
LinearPMap.mkSpanSingleton'_apply_self
[ { "state_after": "R : Type u_2\ninst✝⁶ : Ring R\nE : Type u_1\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.87505\ninst✝¹ : AddCommGroup G\ninst✝ : Module R G\nx : E\ny : F\nH : ∀ (c : R), c • x = 0 → c • y = 0\nh : x ∈ (mkSpanSingleton' x...
[ 171, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 167, 1 ]
Mathlib/Analysis/Calculus/Monotone.lean
StieltjesFunction.ae_hasDerivAt
[ { "state_after": "case h\nf : StieltjesFunction\nx : ℝ\nhx :\n Tendsto (fun a => ↑↑(StieltjesFunction.measure f) a / ↑↑volume a) (VitaliFamily.filterAt (vitaliFamily volume 1) x)\n (𝓝 (rnDeriv (StieltjesFunction.measure f) volume x))\nh'x : rnDeriv (StieltjesFunction.measure f) volume x < ⊤\nh''x : ¬leftLi...
[ 136, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.cases_succ'
[ { "state_after": "no goals", "state_before": "n✝ m n : ℕ\nC : Fin (n + 1) → Sort u_1\nH0 : C 0\nHs : (i : Fin n) → C (succ i)\ni : ℕ\nh : i + 1 < n + 1\n⊢ cases H0 Hs { val := Nat.succ i, isLt := h } = Hs { val := i, isLt := (_ : i < n) }", "tactic": "cases i <;> rfl" } ]
[ 1747, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1746, 1 ]
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
Matrix.det_conj'
[ { "state_after": "no goals", "state_before": "l : Type ?u.411237\nm : Type u\nn : Type u'\nα : Type v\ninst✝⁴ : Fintype n\ninst✝³ : DecidableEq n\ninst✝² : CommRing α\nA B : Matrix n n α\ninst✝¹ : Fintype m\ninst✝ : DecidableEq m\nM : Matrix m m α\nh : IsUnit M\nN : Matrix m m α\n⊢ det (M⁻¹ ⬝ N ⬝ M) = det N...
[ 710, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 709, 1 ]
Mathlib/Data/List/Perm.lean
List.perm_replicate
[]
[ 199, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 195, 1 ]
Mathlib/Data/Multiset/FinsetOps.lean
Multiset.attach_ndinsert
[ { "state_after": "α : Type u_1\ninst✝ : DecidableEq α\ns✝ : Multiset α\na : α\ns : Multiset α\neq : ∀ (h : ∀ (p : { x // x ∈ s }), ↑p ∈ s), (fun p => { val := ↑p, property := (_ : ↑p ∈ s) }) = id\nt : Multiset α\nht : ndinsert a s = t\n⊢ attach t =\n ndinsert { val := a, property := (_ : a ∈ t) } (map (fun p...
[ 120, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Data/QPF/Univariate/Basic.lean
Qpf.recF_eq
[ { "state_after": "case mk\nF : Type u → Type u\ninst✝ : Functor F\nq : Qpf F\nα : Type u\ng : F α → α\na✝ : (P F).A\nf✝ : PFunctor.B (P F) a✝ → WType (P F).B\n⊢ recF g (WType.mk a✝ f✝) = g (abs (recF g <$> PFunctor.W.dest (WType.mk a✝ f✝)))", "state_before": "F : Type u → Type u\ninst✝ : Functor F\nq : Qpf ...
[ 175, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/Algebra/Hom/Ring.lean
RingHom.id_comp
[]
[ 719, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 718, 1 ]
Mathlib/Algebra/Order/Ring/WithTop.lean
WithTop.mul_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : DecidableEq α\ninst✝¹ : Zero α\ninst✝ : Mul α\na : WithTop α\nh : a ≠ 0\n⊢ a * ⊤ = ⊤", "tactic": "rw [mul_top', if_neg h]" } ]
[ 53, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 9 ]
Mathlib/ModelTheory/Syntax.lean
FirstOrder.Language.LEquiv.onFormula_apply
[]
[ 976, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 974, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.restrict_lintegral_eq_lintegral_restrict
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.889169\nγ : Type ?u.889172\nδ : Type ?u.889175\nm : MeasurableSpace α\nμ ν : Measure α\nf : α →ₛ ℝ≥0∞\ns : Set α\nhs : MeasurableSet s\n⊢ lintegral (restrict f s) μ = lintegral f (Measure.restrict μ s)", "tactic": "rw [f.restrict_li...
[ 1087, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1085, 1 ]
Mathlib/Algebra/BigOperators/Multiset/Basic.lean
Multiset.le_prod_of_mem
[ { "state_after": "case intro\nι : Type ?u.137543\nα : Type u_1\nβ : Type ?u.137549\nγ : Type ?u.137552\ninst✝ : CanonicallyOrderedMonoid α\na : α\nm' : Multiset α\nh : a ∈ a ::ₘ m'\n⊢ a ≤ prod (a ::ₘ m')", "state_before": "ι : Type ?u.137543\nα : Type u_1\nβ : Type ?u.137549\nγ : Type ?u.137552\ninst✝ : Can...
[ 458, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 454, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.isPartitionDisjUnionOfEqDiff
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nI J J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ι → ℝ\nπi πi₁ πi₂ : (J : Box ι) → Prepartition J\nh : Prepartition.iUnion π₂ = ↑I \\ Prepartition.iUnion π₁\n⊢ Prepartition.iUnion π₁ ∪ Prepartition.iUnion π₂ = ↑I", "tactic": "simp [h, π₁.iUnion...
[ 791, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 789, 1 ]
Mathlib/Analysis/InnerProductSpace/Projection.lean
orthogonalProjection_tendsto_self
[ { "state_after": "𝕜 : Type u_3\nE : Type u_1\nF : Type ?u.871455\ninst✝⁷ : IsROrC 𝕜\ninst✝⁶ : NormedAddCommGroup E\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : InnerProductSpace 𝕜 E\ninst✝³ : InnerProductSpace ℝ F\nK : Submodule 𝕜 E\ninst✝² : CompleteSpace E\nι : Type u_2\ninst✝¹ : SemilatticeSup ι\nU : ι → Sub...
[ 921, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 913, 1 ]
Mathlib/Algebra/Category/GroupCat/EpiMono.lean
GroupCat.SurjectiveOfEpiAuxs.agree
[ { "state_after": "case refine'_1\nA B : GroupCat\nf : A ⟶ B\nb : ↑B\n⊢ b ∈ (MonoidHom.range f).toSubmonoid.toSubsemigroup.carrier → b ∈ {x | ↑h x = ↑g x}\n\ncase refine'_2\nA B : GroupCat\nf : A ⟶ B\nb : ↑B\nhb : ↑h b = ↑g b\nr : ¬b ∈ (MonoidHom.range f).toSubmonoid.toSubsemigroup.carrier\n⊢ False", "state_...
[ 317, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 294, 1 ]
Mathlib/LinearAlgebra/Span.lean
Submodule.span_univ
[]
[ 232, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
ZFSet.eval_mk
[]
[ 707, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 705, 1 ]
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
AffineIsometry.nndist_map
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_5\nV : Type u_2\nV₁ : Type ?u.47368\nV₂ : Type u_3\nV₃ : Type ?u.47374\nV₄ : Type ?u.47377\nP₁ : Type ?u.47380\nP : Type u_4\nP₂ : Type u_1\nP₃ : Type ?u.47389\nP₄ : Type ?u.47392\ninst✝²⁰ : NormedField 𝕜\ninst✝¹⁹ : SeminormedAddCommGroup V\ninst✝¹⁸...
[ 151, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 151, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Deriv.lean
derivWithin_cos
[]
[ 814, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 812, 1 ]
Mathlib/Data/Set/Ncard.lean
Set.Nat.card_coe_set_eq
[ { "state_after": "case h.e'_2\nα : Type u_1\nβ : Type ?u.47787\ns✝ t : Set α\na b x y : α\nf : α → β\ns : Set α\n⊢ Nat.card ↑s = ncard univ\n\ncase h.e'_3\nα : Type u_1\nβ : Type ?u.47787\ns✝ t : Set α\na b x y : α\nf : α → β\ns : Set α\n⊢ ncard s = ncard ((fun a => ↑a) '' univ)\n\ncase convert_1\nα : Type u_1\...
[ 301, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 298, 9 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.neg_apply
[]
[ 315, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/RingTheory/Subring/Basic.lean
RingHom.eq_of_eqOn_set_dense
[]
[ 1246, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1244, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/WideEqualizers.lean
CategoryTheory.Limits.Trident.ι_eq_app_zero
[]
[ 213, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/Data/Multiset/Powerset.lean
Multiset.revzip_powersetAux_perm
[ { "state_after": "α : Type u_1\nl₁ l₂ : List α\np : l₁ ~ l₂\nthis : DecidableEq α\n⊢ revzip (powersetAux l₁) ~ revzip (powersetAux l₂)", "state_before": "α : Type u_1\nl₁ l₂ : List α\np : l₁ ~ l₂\n⊢ revzip (powersetAux l₁) ~ revzip (powersetAux l₂)", "tactic": "haveI := Classical.decEq α" }, { "...
[ 168, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 164, 1 ]
Mathlib/Order/Antichain.lean
Set.Subsingleton.isWeakAntichain
[]
[ 394, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 393, 1 ]
Mathlib/Analysis/Calculus/Inverse.lean
ApproximatesLinearOn.to_inv
[ { "state_after": "𝕜 : Type u_1\ninst✝⁹ : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace 𝕜 E\nF : Type u_3\ninst✝⁶ : NormedAddCommGroup F\ninst✝⁵ : NormedSpace 𝕜 F\nG : Type ?u.404204\ninst✝⁴ : NormedAddCommGroup G\ninst✝³ : NormedSpace 𝕜 G\nG' : Type ?u.404307\...
[ 443, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 422, 1 ]
Mathlib/Algebra/Module/Equiv.lean
LinearEquiv.restrictScalars_inj
[]
[ 636, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 634, 1 ]
Mathlib/Computability/Partrec.lean
Computable.snd
[]
[ 309, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 308, 1 ]
Mathlib/Order/CompleteLattice.lean
iInf_neg
[]
[ 1096, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1095, 1 ]