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start
list
Mathlib/Algebra/Order/CompleteField.lean
LinearOrderedField.exists_mem_cutMap_mul_self_of_lt_inducedMap_mul_self
[ { "state_after": "case inl\nF : Type ?u.29742\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.29751\ninst✝³ : LinearOrderedField α\ninst✝² : ConditionallyCompleteLinearOrderedField β\ninst✝¹ : ConditionallyCompleteLinearOrderedField γ\ninst✝ : Archimedean α\na : α\nb✝ : β\nq : ℚ\nha : 0 < a\nb : β\nhba : b < inducedMa...
[ 287, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.frequently_or_distrib_left
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.164287\nι : Sort x\nf : Filter α\ninst✝ : NeBot f\np : Prop\nq : α → Prop\n⊢ (∃ᶠ (x : α) in f, p ∨ q x) ↔ p ∨ ∃ᶠ (x : α) in f, q x", "tactic": "simp" } ]
[ 1346, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1345, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
NormedCommGroup.tendsto_nhds_nhds
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.108981\n𝕜 : Type ?u.108984\nα : Type ?u.108987\nι : Type ?u.108990\nκ : Type ?u.108993\nE : Type u_1\nF : Type u_2\nG : Type ?u.109002\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na a₁ a₂ b b₁ b₂ : ...
[ 751, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/Data/Fin/VecNotation.lean
Matrix.range_empty
[]
[ 175, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.map_bit0
[]
[ 772, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 771, 11 ]
Mathlib/Data/Int/Bitwise.lean
Int.testBit_lor
[ { "state_after": "no goals", "state_before": "m n : ℤ\nk : ℕ\n⊢ testBit (lor m n) k = (testBit m k || testBit n k)", "tactic": "rw [← bitwise_or, testBit_bitwise]" } ]
[ 346, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Mathlib/NumberTheory/Padics/PadicIntegers.lean
PadicInt.coe_add
[]
[ 125, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/SetTheory/Cardinal/Cofinality.lean
Cardinal.iSup_lt_lift_of_isRegular
[ { "state_after": "no goals", "state_before": "α : Type ?u.160553\nr : α → α → Prop\nι : Type u\nf : ι → Cardinal\nc : Cardinal\nhc : IsRegular c\nhι : lift (#ι) < c\n⊢ lift (#ι) < Ordinal.cof (ord c)", "tactic": "rwa [hc.cof_eq]" } ]
[ 1105, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1103, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
Isometry.ediam_image
[ { "state_after": "no goals", "state_before": "ι : Type ?u.44257\nα : Type u\nβ : Type v\nγ : Type w\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : PseudoEMetricSpace β\ninst✝ : PseudoEMetricSpace γ\nf : α → β\nx y z : α\ns✝ : Set α\nhf : Isometry f\ns : Set α\nd : ℝ≥0∞\n⊢ EMetric.diam (f '' s) ≤ d ↔ EMetric.diam ...
[ 157, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 156, 1 ]
Mathlib/Algebra/Module/Torsion.lean
Submodule.torsionBy.mk_smul
[]
[ 589, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 587, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.aeval_monomial
[]
[ 1535, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1533, 1 ]
Mathlib/Data/List/Rotate.lean
List.mem_cyclicPermutations_iff
[ { "state_after": "case mp\nα : Type u\nl✝ l'✝ l l' : List α\n⊢ l ∈ cyclicPermutations l' → l ~r l'\n\ncase mpr\nα : Type u\nl✝ l'✝ l l' : List α\n⊢ l ~r l' → l ∈ cyclicPermutations l'", "state_before": "α : Type u\nl✝ l'✝ l l' : List α\n⊢ l ∈ cyclicPermutations l' ↔ l ~r l'", "tactic": "constructor" }...
[ 640, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 628, 1 ]
Mathlib/Analysis/SpecialFunctions/Stirling.lean
Stirling.tendsto_stirlingSeq_sqrt_pi
[ { "state_after": "case intro.intro\na : ℝ\nhapos : 0 < a\nhalimit : Tendsto stirlingSeq atTop (𝓝 a)\n⊢ Tendsto (fun n => stirlingSeq n) atTop (𝓝 (Real.sqrt π))", "state_before": "⊢ Tendsto (fun n => stirlingSeq n) atTop (𝓝 (Real.sqrt π))", "tactic": "obtain ⟨a, hapos, halimit⟩ := stirlingSeq_has_pos_...
[ 271, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 267, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.mul_power
[]
[ 589, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 588, 1 ]
Mathlib/Computability/TuringMachine.lean
Turing.ListBlank.cons_head_tail
[ { "state_after": "case h\nΓ : Type u_1\ninst✝ : Inhabited Γ\n⊢ ∀ (a : List Γ), cons (head (Quotient.mk'' a)) (tail (Quotient.mk'' a)) = Quotient.mk'' a", "state_before": "Γ : Type u_1\ninst✝ : Inhabited Γ\n⊢ ∀ (l : ListBlank Γ), cons (head l) (tail l) = l", "tactic": "apply Quotient.ind'" }, { "...
[ 273, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 268, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/CommSq.lean
CategoryTheory.IsPushout.of_is_coproduct'
[]
[ 394, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 392, 1 ]
Mathlib/Probability/Kernel/Basic.lean
ProbabilityTheory.kernel.piecewise_apply'
[ { "state_after": "α : Type u_2\nβ : Type u_1\nι : Type ?u.1459789\nmα : MeasurableSpace α\nmβ : MeasurableSpace β\nκ η : { x // x ∈ kernel α β }\ns : Set α\nhs : MeasurableSet s\ninst✝ : DecidablePred fun x => x ∈ s\na : α\nt : Set β\n⊢ ↑↑(if a ∈ s then ↑κ a else ↑η a) t = if a ∈ s then ↑↑(↑κ a) t else ↑↑(↑η a)...
[ 623, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 621, 1 ]
Mathlib/Topology/ContinuousOn.lean
Set.MapsTo.closure_of_continuousWithinAt
[]
[ 739, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 737, 1 ]
Mathlib/Algebra/Periodic.lean
Function.Periodic.int_mul
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.105416\nf g : α → β\nc c₁ c₂ x : α\ninst✝ : Ring α\nh : Periodic f c\nn : ℤ\n⊢ Periodic f (↑n * c)", "tactic": "simpa only [zsmul_eq_mul] using h.zsmul n" } ]
[ 241, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 11 ]
Mathlib/Data/Fin/Basic.lean
Fin.succAbove_predAbove
[ { "state_after": "n m : ℕ\np : Fin n\ni : Fin (n + 1)\nh : i ≠ ↑castSucc p\n⊢ (if ↑castSucc (if h : ↑castSucc p < i then pred i (_ : i ≠ 0) else castLT i (_ : ↑i < n)) < ↑castSucc p then\n ↑castSucc (if h : ↑castSucc p < i then pred i (_ : i ≠ 0) else castLT i (_ : ↑i < n))\n else succ (if h : ↑castSucc...
[ 2384, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2367, 1 ]
Mathlib/Algebra/GeomSum.lean
geom_sum_pos'
[ { "state_after": "case zero\nα : Type u\nβ : Type ?u.241921\nx : α\ninst✝ : LinearOrderedRing α\nhx : 0 < x + 1\nhn : Nat.zero ≠ 0\n⊢ 0 < ∑ i in range Nat.zero, x ^ i\n\ncase succ.zero\nα : Type u\nβ : Type ?u.241921\nx : α\ninst✝ : LinearOrderedRing α\nhx : 0 < x + 1\nhn : Nat.succ Nat.zero ≠ 0\n⊢ 0 < ∑ i in r...
[ 516, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 509, 1 ]
Mathlib/Analysis/InnerProductSpace/Calculus.lean
DifferentiableWithinAt.inner
[]
[ 130, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_tsum
[ { "state_after": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.1015473\nδ : Type ?u.1015476\nm : MeasurableSpace α\nμ ν : Measure α\ninst✝ : Countable β\nf : β → α → ℝ≥0∞\nhf : ∀ (i : β), AEMeasurable (f i)\n⊢ (∫⁻ (a : α), ⨆ (s : Finset β), ∑ i in s, f i a ∂μ) = ⨆ (s : Finset β), ∑ i in s, ∫⁻ (a : α), f i a ∂μ", ...
[ 1179, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1168, 1 ]
Std/Data/PairingHeap.lean
Std.PairingHeapImp.Heap.size_merge
[ { "state_after": "no goals", "state_before": "α : Type u_1\nle : α → α → Bool\ns₁ s₂ : Heap α\nh₁ : NoSibling s₁\nh₂ : NoSibling s₂\n⊢ size (merge le s₁ s₂) = size s₁ + size s₂", "tactic": "match h₁, h₂ with\n| .nil, .nil | .nil, .node _ _ | .node _ _, .nil => simp [size]\n| .node _ _, .node _ _ => unfo...
[ 128, 77 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 124, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.sinh_add_cosh
[ { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ sinh x + cosh x = exp x", "tactic": "rw [add_comm, cosh_add_sinh]" } ]
[ 1407, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1407, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.Bijective.of_comp_iff
[]
[ 267, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 265, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
MultilinearMap.mkContinuousLinear_norm_le
[]
[ 1092, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1090, 1 ]
Mathlib/NumberTheory/Divisors.lean
Nat.mem_divisorsAntidiagonal
[ { "state_after": "n : ℕ\nx : ℕ × ℕ\n⊢ ((1 ≤ x.fst ∧ x.fst < n + 1) ∧ 1 ≤ x.snd ∧ x.snd < n + 1) ∧ x.fst * x.snd = n ↔ x.fst * x.snd = n ∧ ¬n = 0", "state_before": "n : ℕ\nx : ℕ × ℕ\n⊢ x ∈ divisorsAntidiagonal n ↔ x.fst * x.snd = n ∧ n ≠ 0", "tactic": "simp only [divisorsAntidiagonal, Finset.mem_Ico, Ne....
[ 132, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/RingTheory/Polynomial/Cyclotomic/Basic.lean
Polynomial.cyclotomic_one
[ { "state_after": "R : Type u_1\ninst✝ : Ring R\nhspec : map (Int.castRingHom ℂ) (X - 1) = cyclotomic' 1 ℂ\n⊢ cyclotomic 1 R = X - 1", "state_before": "R : Type u_1\ninst✝ : Ring R\n⊢ cyclotomic 1 R = X - 1", "tactic": "have hspec : map (Int.castRingHom ℂ) (X - 1) = cyclotomic' 1 ℂ := by\n simp only [cy...
[ 318, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/Order/Chain.lean
Flag.le_or_le
[]
[ 355, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 354, 11 ]
Mathlib/Analysis/SpecialFunctions/Log/Base.lean
Real.logb_le_iff_le_rpow
[ { "state_after": "no goals", "state_before": "b x y : ℝ\nhb : 1 < b\nhx : 0 < x\n⊢ logb b x ≤ y ↔ x ≤ b ^ y", "tactic": "rw [← rpow_le_rpow_left_iff hb, rpow_logb (b_pos hb) (b_ne_one' hb) hx]" } ]
[ 164, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 163, 1 ]
Mathlib/Order/LiminfLimsup.lean
Filter.isCobounded_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.20125\nγ : Type ?u.20128\nι : Type ?u.20131\nr : α → α → Prop\nf g : Filter α\n⊢ IsCobounded r ⊤ ↔ Nonempty α", "tactic": "simp (config := { contextual := true }) [IsCobounded, eq_univ_iff_forall,\n exists_true_iff_nonempty]" } ]
[ 221, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 219, 1 ]
Mathlib/CategoryTheory/Limits/Preserves/Limits.lean
CategoryTheory.preserves_desc_mapCocone
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝³ : Category C\nD : Type u₂\ninst✝² : Category D\nG : C ⥤ D\nJ : Type w\ninst✝¹ : Category J\nF : J ⥤ C\ninst✝ : PreservesColimit F G\nc₁ c₂ : Cocone F\nt : IsColimit c₁\n⊢ ∀ (j : J), (G.mapCocone c₁).ι.app j ≫ G.map (IsColimit.desc t c₂) = (G....
[ 107, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Data/Set/Basic.lean
Set.setOf_and
[]
[ 302, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]
Mathlib/Algebra/BigOperators/Multiset/Basic.lean
Multiset.pow_count
[ { "state_after": "no goals", "state_before": "ι : Type ?u.36621\nα : Type u_1\nβ : Type ?u.36627\nγ : Type ?u.36630\ninst✝¹ : CommMonoid α\ns t : Multiset α\na✝ : α\nm : Multiset ι\nf g : ι → α\ninst✝ : DecidableEq α\na : α\n⊢ a ^ count a s = prod (filter (Eq a) s)", "tactic": "rw [filter_eq, prod_repli...
[ 154, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/Init/Function.lean
Function.RightInverse.id
[]
[ 153, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 11 ]
Mathlib/Analysis/Normed/Group/Basic.lean
lipschitzOnWith_iff_norm_div_le
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.185016\n𝕜 : Type ?u.185019\nα : Type ?u.185022\nι : Type ?u.185025\nκ : Type ?u.185028\nE : Type u_1\nF : Type u_2\nG : Type ?u.185037\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na a₁ a₂ b b₁ b₂ : ...
[ 803, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 801, 1 ]
Mathlib/RingTheory/Bezout.lean
IsBezout.dvd_gcd
[ { "state_after": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : IsBezout R\nx y z : R\nhx : Ideal.span {x} ≤ Ideal.span {z}\nhy : Ideal.span {y} ≤ Ideal.span {z}\n⊢ Ideal.span {gcd x y} ≤ Ideal.span {z}", "state_before": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : IsBezout R\nx y z : R\nhx : z ∣ x\nhy : z ∣ y\n⊢ z...
[ 82, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Order/Filter/Lift.lean
Filter.sInter_lift'_sets
[]
[ 274, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 273, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.comap_preimage
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ✝ : Type ?u.252454\nγ : Type ?u.252457\nδ : Type ?u.252460\nι : Type ?u.252463\nR : Type ?u.252466\nR' : Type ?u.252469\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β✝\ninst✝¹ : MeasurableSpace γ\nμ✝ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t :...
[ 1381, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1377, 1 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.restrOpen_toLocalEquiv
[]
[ 687, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 685, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.closedBall_subset_closedBall
[]
[ 580, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/RingTheory/Polynomial/Chebyshev.lean
Polynomial.Chebyshev.T_zero
[]
[ 77, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/Order/Hom/Order.lean
OrderHom.iInf_apply
[]
[ 96, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 94, 1 ]
Mathlib/Logic/Nonempty.lean
nonempty_sigma
[]
[ 50, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/Algebra/Hom/Iterate.lean
MonoidHom.iterate_map_zpow
[]
[ 84, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Prod.lean
differentiableWithinAt_pi
[]
[ 435, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 432, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.NeBot.inv
[]
[ 230, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 230, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.edgeSet_fromEdgeSet
[ { "state_after": "case h\nι : Sort ?u.80342\n𝕜 : Type ?u.80345\nV : Type u\nW : Type v\nX : Type w\nG : SimpleGraph V\nG' : SimpleGraph W\na b c u v w : V\ne✝ : Sym2 V\ns : Set (Sym2 V)\ne : Sym2 V\n⊢ e ∈ edgeSet (fromEdgeSet s) ↔ e ∈ s \\ {e | Sym2.IsDiag e}", "state_before": "ι : Sort ?u.80342\n𝕜 : Type...
[ 627, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/RingTheory/Derivation/Basic.lean
Derivation.coe_add_linearMap
[]
[ 214, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/RingTheory/Finiteness.lean
Submodule.fg_of_fg_map_of_fg_inf_ker
[ { "state_after": "R✝ : Type ?u.212605\nM✝ : Type ?u.212608\ninst✝⁹ : Semiring R✝\ninst✝⁸ : AddCommMonoid M✝\ninst✝⁷ : Module R✝ M✝\nP✝ : Type ?u.212644\ninst✝⁶ : AddCommMonoid P✝\ninst✝⁵ : Module R✝ P✝\nf✝ : M✝ →ₗ[R✝] P✝\nR : Type u_1\nM : Type u_2\nP : Type u_3\ninst✝⁴ : Ring R\ninst✝³ : AddCommGroup M\ninst✝²...
[ 335, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/LinearAlgebra/Matrix/Transvection.lean
Matrix.Pivot.exists_list_transvec_mul_mul_list_transvec_eq_diagonal_induction
[ { "state_after": "case intro.intro\nn : Type ?u.245499\np : Type ?u.245502\nR : Type u₂\n𝕜 : Type u_1\ninst✝³ : Field 𝕜\ninst✝² : DecidableEq n\ninst✝¹ : DecidableEq p\ninst✝ : CommRing R\nr : ℕ\nM✝ : Matrix (Fin r ⊕ Unit) (Fin r ⊕ Unit) 𝕜\nIH :\n ∀ (M : Matrix (Fin r) (Fin r) 𝕜),\n ∃ L₀ L₀' D₀, List.pr...
[ 622, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 598, 1 ]
Mathlib/Algebra/Algebra/Unitization.lean
Unitization.inr_mul_inl
[ { "state_after": "no goals", "state_before": "R : Type u_1\nA : Type u_2\ninst✝² : Semiring R\ninst✝¹ : NonUnitalNonAssocSemiring A\ninst✝ : DistribMulAction R A\nr : R\na : A\n⊢ 0 • 0 + r • a + a * 0 = r • a", "tactic": "rw [smul_zero, zero_add, MulZeroClass.mul_zero, add_zero]" } ]
[ 428, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 424, 1 ]
Mathlib/Analysis/Convex/Side.lean
AffineSubspace.SSameSide.trans_wSameSide
[]
[ 559, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 557, 1 ]
Mathlib/Order/CompleteLattice.lean
iInf_option
[]
[ 1580, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1579, 1 ]
Mathlib/Data/Real/CauSeqCompletion.lean
CauSeq.Completion.cau_seq_zero_ne_one
[ { "state_after": "no goals", "state_before": "α : Type u_2\ninst✝² : LinearOrderedField α\nβ : Type u_1\ninst✝¹ : DivisionRing β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nh : 0 ≈ 1\nthis : LimZero (1 - 0)\n⊢ LimZero 1", "tactic": "simpa" }, { "state_after": "no goals", "state_before": "α : ...
[ 248, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 245, 1 ]
Mathlib/Logic/Lemmas.lean
dite_dite_distrib_right
[ { "state_after": "no goals", "state_before": "α : Sort u_1\np q r : Prop\ninst✝¹ : Decidable p\ninst✝ : Decidable q\na✝ b✝ c✝ : α\na : p → q → α\nb : p → ¬q → α\nc : ¬p → α\n⊢ dite p (fun hp => dite q (a hp) (b hp)) c =\n if hq : q then dite p (fun hp => a hp hq) c else dite p (fun hp => b hp hq) c", ...
[ 43, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 40, 1 ]
Mathlib/Data/Finsupp/Multiset.lean
Finsupp.toMultiset_sum_single
[ { "state_after": "no goals", "state_before": "α : Type ?u.13830\nβ : Type ?u.13833\nι : Type u_1\ns : Finset ι\nn : ℕ\n⊢ ↑toMultiset (∑ i in s, single i n) = n • s.val", "tactic": "simp_rw [toMultiset_sum, Finsupp.toMultiset_single, sum_nsmul, sum_multiset_singleton]" } ]
[ 81, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.row_vecMul
[ { "state_after": "case a.h\nl : Type ?u.1214702\nm : Type u_1\nn : Type u_2\no : Type ?u.1214711\nm' : o → Type ?u.1214716\nn' : o → Type ?u.1214721\nR : Type ?u.1214724\nS : Type ?u.1214727\nα : Type v\nβ : Type w\nγ : Type ?u.1214734\ninst✝¹ : Fintype m\ninst✝ : NonUnitalNonAssocSemiring α\nM : Matrix m n α\n...
[ 2705, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2702, 1 ]
Mathlib/SetTheory/Ordinal/Exponential.lean
Ordinal.opow_le_of_limit
[ { "state_after": "no goals", "state_before": "a b c : Ordinal\na0 : a ≠ 0\nh : IsLimit b\n⊢ a ^ b ≤ c ↔ ∀ (b' : Ordinal), b' < b → a ^ b' ≤ c", "tactic": "rw [opow_limit a0 h, bsup_le_iff]" } ]
[ 71, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.tendsto_principal
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.317172\nι : Sort x\nf : α → β\nl : Filter α\ns : Set β\n⊢ Tendsto f l (𝓟 s) ↔ ∀ᶠ (a : α) in l, f a ∈ s", "tactic": "simp only [Tendsto, le_principal_iff, mem_map', Filter.Eventually]" } ]
[ 3042, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3040, 9 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.ofFinsupp_smul
[]
[ 190, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/Analysis/Calculus/Darboux.lean
exists_hasDerivWithinAt_eq_of_gt_of_lt
[ { "state_after": "a b : ℝ\nf f' : ℝ → ℝ\nhab : a ≤ b\nhf : ∀ (x : ℝ), x ∈ Icc a b → HasDerivWithinAt f (f' x) (Icc a b) x\nm : ℝ\nhma : f' a < m\nhmb : m < f' b\nhab' : a < b\n⊢ m ∈ f' '' Icc a b", "state_before": "a b : ℝ\nf f' : ℝ → ℝ\nhab : a ≤ b\nhf : ∀ (x : ℝ), x ∈ Icc a b → HasDerivWithinAt f (f' x) (...
[ 67, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 30, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.add_one_le_add_one_iff_of_lt_aleph_0
[]
[ 895, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 894, 1 ]
Mathlib/RingTheory/Bezout.lean
IsBezout.span_gcd
[]
[ 68, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.div_lt_of_lt_mul
[ { "state_after": "no goals", "state_before": "α : Type ?u.293310\nβ : Type ?u.293313\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nh : a < b * c\n⊢ a < b / c⁻¹", "tactic": "rwa [div_eq_mul_inv, inv_inv]" } ]
[ 1620, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1619, 1 ]
Mathlib/Data/Setoid/Basic.lean
Setoid.ext'
[]
[ 61, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
LocalHomeomorph.continuousOn_extend_symm
[]
[ 867, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 866, 1 ]
Mathlib/Algebra/DirectLimit.lean
AddCommGroup.DirectLimit.of.zero_exact
[]
[ 323, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 321, 1 ]
Mathlib/Topology/Order/Basic.lean
nhds_top_order
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ninst✝³ : TopologicalSpace α\ninst✝² : Preorder α\ninst✝¹ : OrderTop α\ninst✝ : OrderTopology α\n⊢ 𝓝 ⊤ = ⨅ (l : α) (_ : l < ⊤), 𝓟 (Ioi l)", "tactic": "simp [nhds_eq_order (⊤ : α)]" } ]
[ 1131, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1130, 1 ]
Mathlib/Data/Set/Function.lean
Function.insert_injOn
[]
[ 1691, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1690, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
ModelWithCorners.closed_range
[]
[ 302, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]
Mathlib/Data/Countable/Defs.lean
countable_iff_exists_surjective
[]
[ 68, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/FiniteLimits.lean
CategoryTheory.Limits.hasFiniteWidePullbacks_of_hasFiniteLimits
[]
[ 260, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 259, 1 ]
Mathlib/Data/List/Rotate.lean
List.rotate_zero
[ { "state_after": "no goals", "state_before": "α : Type u\nl : List α\n⊢ rotate l 0 = l", "tactic": "simp [rotate]" } ]
[ 46, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 46, 1 ]
Mathlib/Data/Multiset/Nodup.lean
Multiset.Nodup.not_mem
[]
[ 62, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Mathlib/Algebra/Hom/Ring.lean
AddMonoidHom.coe_fn_mkRingHomOfMulSelfOfTwoNeZero
[]
[ 796, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 794, 1 ]
Mathlib/Data/List/Basic.lean
List.nil_zipWith
[ { "state_after": "no goals", "state_before": "ι : Type ?u.144286\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\nf : α → β → γ\nl : List β\n⊢ zipWith f [] l = []", "tactic": "cases l <;> rfl" } ]
[ 1897, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1897, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.mem_interleave_left
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nδ : Type w\na : α\ns₁ s₂ : Stream' α\nx✝ : a ∈ s₁\nn : ℕ\nh : (fun b => a = b) (nth s₁ n)\n⊢ (fun b => a = b) (nth (s₁ ⋈ s₂) (2 * n))", "tactic": "rw [h, nth_interleave_left]" } ]
[ 453, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 452, 1 ]
Mathlib/Order/Max.lean
isMin_ofDual_iff
[]
[ 263, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 262, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.mem_disjUnion
[ { "state_after": "case mk.mk\nα✝ : Type ?u.88487\nβ : Type ?u.88490\nγ : Type ?u.88493\nα : Type u_1\nt : Finset α\na : α\nval✝ : Multiset α\ns : List α\nnodup✝ : Nodup (Quot.mk Setoid.r s)\nh : _root_.Disjoint { val := Quot.mk Setoid.r s, nodup := nodup✝ } t\n⊢ a ∈ disjUnion { val := Quot.mk Setoid.r s, nodup ...
[ 1001, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1000, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.NeBot.one_le_div
[ { "state_after": "case intro.intro.intro.intro\nF : Type ?u.314978\nα : Type u_1\nβ : Type ?u.314984\nγ : Type ?u.314987\nδ : Type ?u.314990\nε : Type ?u.314993\ninst✝² : Group α\ninst✝¹ : DivisionMonoid β\ninst✝ : MonoidHomClass F α β\nm : F\nf g f₁ g₁ : Filter α\nf₂ g₂ : Filter β\nh : NeBot f\ns t₁ t₂ : Set α...
[ 875, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 871, 1 ]
Mathlib/Algebra/Lie/Basic.lean
LieModuleEquiv.toEquiv_injective
[ { "state_after": "case mk.mk.mk.mk.mk.mk.mk.mk\nR : Type u\nL : Type v\nM : Type w\nN : Type w₁\nP : Type w₂\ninst✝¹⁴ : CommRing R\ninst✝¹³ : LieRing L\ninst✝¹² : LieAlgebra R L\ninst✝¹¹ : AddCommGroup M\ninst✝¹⁰ : AddCommGroup N\ninst✝⁹ : AddCommGroup P\ninst✝⁸ : Module R M\ninst✝⁷ : Module R N\ninst✝⁶ : Modul...
[ 1031, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1026, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.natCast_injective
[]
[ 1372, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1371, 1 ]
Mathlib/RingTheory/Nilpotent.lean
Commute.isNilpotent_add
[ { "state_after": "case intro\nR S : Type u\nx y : R\ninst✝ : Semiring R\nh_comm : Commute x y\nhy : IsNilpotent y\nn : ℕ\nhn : x ^ n = 0\n⊢ IsNilpotent (x + y)", "state_before": "R S : Type u\nx y : R\ninst✝ : Semiring R\nh_comm : Commute x y\nhx : IsNilpotent x\nhy : IsNilpotent y\n⊢ IsNilpotent (x + y)", ...
[ 155, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 1 ]
Mathlib/RingTheory/HahnSeries.lean
HahnSeries.neg_coeff'
[]
[ 454, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 453, 1 ]
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
Subalgebra.coe_smul
[]
[ 410, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 409, 1 ]
Mathlib/Order/Bounded.lean
Set.unbounded_lt_iff_unbounded_le
[ { "state_after": "no goals", "state_before": "α : Type u_1\nr : α → α → Prop\ns t : Set α\ninst✝¹ : Preorder α\ninst✝ : NoMaxOrder α\n⊢ Unbounded (fun x x_1 => x < x_1) s ↔ Unbounded (fun x x_1 => x ≤ x_1) s", "tactic": "simp_rw [← not_bounded_iff, bounded_le_iff_bounded_lt]" } ]
[ 120, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Std/Data/String/Lemmas.lean
Substring.Valid.prev
[ { "state_after": "m₁ : List Char\nc : Char\nm₂ : List Char\nx✝ : Substring\nh✝ : Valid x✝\ne : (toString x✝).data = m₁ ++ c :: m₂\nl m r : List Char\nh : ValidFor l m r x✝\n⊢ Substring.prev x✝ { byteIdx := utf8Len m₁ + csize c } = { byteIdx := utf8Len m₁ }", "state_before": "m₁ : List Char\nc : Char\nm₂ : L...
[ 999, 51 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 995, 1 ]
Mathlib/Topology/Basic.lean
continuousAt_iff_ultrafilter
[]
[ 1728, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1726, 1 ]
Mathlib/Order/Hom/CompleteLattice.lean
sSupHom.cancel_right
[]
[ 345, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 343, 1 ]
Mathlib/CategoryTheory/Idempotents/Karoubi.lean
CategoryTheory.Idempotents.Karoubi.hom_ext
[ { "state_after": "no goals", "state_before": "C : Type u_1\ninst✝ : Category C\nP Q : Karoubi C\nf g : P ⟶ Q\nh : f.f = g.f\n⊢ f = g", "tactic": "simpa [hom_ext_iff] using h" } ]
[ 121, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.card_le_diff_of_interleaved
[]
[ 1616, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1609, 1 ]
Mathlib/Topology/ContinuousOn.lean
IsOpenMap.continuousOn_range_of_leftInverse
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.329904\nδ : Type ?u.329907\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ninst✝¹ : TopologicalSpace γ\ninst✝ : TopologicalSpace δ\nf : α → β\nhf : IsOpenMap f\nfinv : β → α\nhleft : LeftInverse finv f\n⊢ ContinuousOn finv (f '' univ)", "s...
[ 819, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 816, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
Collinear.collinear_insert_iff_of_ne
[ { "state_after": "k : Type u_2\nV : Type u_3\nP : Type u_1\nι : Type ?u.318365\ninst✝³ : DivisionRing k\ninst✝² : AddCommGroup V\ninst✝¹ : Module k V\ninst✝ : AffineSpace V P\ns : Set P\nh : Collinear k s\np₁ p₂ p₃ : P\nhp₂ : p₂ ∈ s\nhp₃ : p₃ ∈ s\nhp₂p₃ : p₂ ≠ p₃\nhv : vectorSpan k (insert p₁ s) = vectorSpan k ...
[ 546, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 538, 1 ]
Mathlib/Topology/Order/LowerTopology.lean
WithLowerTopology.ofLower_toLower
[]
[ 92, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 91, 1 ]
Mathlib/RingTheory/OreLocalization/Basic.lean
OreLocalization.eq_of_num_factor_eq
[ { "state_after": "case mk.mk\nR : Type u_1\ninst✝¹ : Monoid R\nS : Submonoid R\ninst✝ : OreSet S\nr r' r₁ r₂ : R\ns t : { x // x ∈ S }\nh : r * ↑t = r' * ↑t\nr₂' : R\nt' : { x // x ∈ S }\nhr₂ : r₂ * ↑t' = ↑t * r₂'\n⊢ r₁ * r * r₂ /ₒ s = r₁ * r' * r₂ /ₒ s", "state_before": "R : Type u_1\ninst✝¹ : Monoid R\nS ...
[ 145, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 132, 11 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
Embedding.comp_stronglyMeasurable_iff
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Type ?u.139878\ninst✝⁴ : Countable ι\nf✝ g✝ : α → β\nm : MeasurableSpace α\ninst✝³ : TopologicalSpace β\ninst✝² : PseudoMetrizableSpace β\ninst✝¹ : TopologicalSpace γ\ninst✝ : PseudoMetrizableSpace γ\ng : β → γ\nf : α → β\nhg : _root_.Embedding g\n...
[ 712, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 691, 1 ]
Mathlib/MeasureTheory/Measure/Lebesgue/Basic.lean
Real.volume_pi_Ioo
[]
[ 228, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.iUnion_biUnion_partition
[]
[ 786, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 782, 1 ]