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Mathlib/Order/Filter/Basic.lean
Filter.EventuallyEq.const_smul
[]
[ 1540, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1538, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/SubboxInduction.lean
BoxIntegral.Prepartition.isHenstock_toSubordinate
[]
[ 189, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/RingTheory/Polynomial/Content.lean
Polynomial.content_eq_gcd_range_succ
[]
[ 204, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
norm_le_norm_add_norm_div'
[ { "state_after": "𝓕 : Type ?u.85510\n𝕜 : Type ?u.85513\nα : Type ?u.85516\nι : Type ?u.85519\nκ : Type ?u.85522\nE : Type u_1\nF : Type ?u.85528\nG : Type ?u.85531\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\nu v : E\n⊢ ‖u‖ ≤ ...
[ 580, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 577, 1 ]
Mathlib/Topology/Basic.lean
tendsto_inf_principal_nhds_iff_of_forall_eq
[ { "state_after": "α : Type u\nβ : Type v\nι : Sort w\na✝ : α\ns✝ s₁ s₂ t : Set α\np p₁ p₂ : α → Prop\ninst✝ : TopologicalSpace α\nf : β → α\nl : Filter β\ns : Set β\na : α\nh : ∀ (x : β), ¬x ∈ s → f x = a\n⊢ l ⊓ 𝓟 s ≤ comap f (𝓝 a) ↔ l ≤ comap f (𝓝 a)", "state_before": "α : Type u\nβ : Type v\nι : Sort w...
[ 1480, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1469, 1 ]
Mathlib/LinearAlgebra/LinearIndependent.lean
exists_maximal_independent
[ { "state_after": "case intro.intro\nι : Type u'\nι' : Type ?u.511300\nR : Type u_1\nK : Type ?u.511306\nM : Type u_2\nM' : Type ?u.511312\nM'' : Type ?u.511315\nV : Type u\nV' : Type ?u.511320\nv : ι → M\ninst✝⁶ : Ring R\ninst✝⁵ : AddCommGroup M\ninst✝⁴ : AddCommGroup M'\ninst✝³ : AddCommGroup M''\ninst✝² : Mod...
[ 929, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 897, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.coe_eq_empty
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.46281\nγ : Type ?u.46284\nι : Sort ?u.46287\nκ : ι → Sort ?u.46292\ninst✝ : LE α\nS : Set (UpperSet α)\ns t : UpperSet α\na : α\n⊢ ↑s = ∅ ↔ s = ⊤", "tactic": "simp [SetLike.ext'_iff]" } ]
[ 529, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 529, 1 ]
Std/Data/Nat/Lemmas.lean
Nat.sub_eq_iff_eq_add
[ { "state_after": "no goals", "state_before": "a b c : Nat\nab : b ≤ a\nc_eq : a - b = c\n⊢ a = c + b", "tactic": "rw [c_eq.symm, Nat.sub_add_cancel ab]" }, { "state_after": "no goals", "state_before": "a b c : Nat\nab : b ≤ a\na_eq : a = c + b\n⊢ a - b = c", "tactic": "rw [a_eq, Nat.add_...
[ 163, 49 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 161, 11 ]
Mathlib/Dynamics/Ergodic/Conservative.lean
MeasureTheory.Conservative.frequently_measure_inter_ne_zero
[ { "state_after": "ι : Type ?u.54331\nα : Type u_1\ninst✝ : MeasurableSpace α\nf : α → α\ns : Set α\nμ : Measure α\nhf : Conservative f μ\nhs : MeasurableSet s\nh0 : ↑↑μ s ≠ 0\nH : ¬∃ᶠ (m : ℕ) in atTop, ↑↑μ (s ∩ f^[m] ⁻¹' s) ≠ 0\n⊢ False", "state_before": "ι : Type ?u.54331\nα : Type u_1\ninst✝ : MeasurableS...
[ 106, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
IsLocalization.sec_fst_ne_zero
[ { "state_after": "R : Type u_1\ninst✝⁶ : CommRing R\nM : Submonoid R\nS : Type u_2\ninst✝⁵ : CommRing S\ninst✝⁴ : Algebra R S\nP : Type ?u.3066574\ninst✝³ : CommRing P\nK : Type ?u.3066580\ninst✝² : IsLocalization M S\ninst✝¹ : Nontrivial R\ninst✝ : NoZeroDivisors S\nhM : M ≤ nonZeroDivisors R\nx : S\nhx : x ≠ ...
[ 1197, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1191, 1 ]
Mathlib/Data/Set/Basic.lean
Set.mem_sep_iff
[]
[ 1417, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1416, 1 ]
Mathlib/Topology/Algebra/UniformGroup.lean
UniformGroup.ext_iff
[]
[ 303, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 300, 1 ]
Mathlib/Algebra/Star/Pointwise.lean
Set.compl_star
[]
[ 97, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Data/Set/Finite.lean
Set.Finite.inter_of_right
[ { "state_after": "case intro\nα : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ns t : Set α\na✝ : Fintype ↑s\n⊢ Set.Finite (t ∩ s)", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ns : Set α\nhs : Set.Finite s\nt : Set α\n⊢ Set.Finite (t ∩ s)", "tactic": "cases hs" }, { "state_aft...
[ 749, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 747, 1 ]
Mathlib/Order/Bounds/Basic.lean
not_bddAbove_iff
[ { "state_after": "no goals", "state_before": "α✝ : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ninst✝² : Preorder α✝\ninst✝¹ : Preorder β\ns✝ t : Set α✝\na b : α✝\nα : Type u_1\ninst✝ : LinearOrder α\ns : Set α\n⊢ ¬BddAbove s ↔ ∀ (x : α), ∃ y, y ∈ s ∧ x < y", "tactic": "simp only [not_bddAbove_iff', not_...
[ 136, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Data/Set/Basic.lean
Set.inter_subset_inter
[]
[ 1011, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1010, 1 ]
Mathlib/GroupTheory/CommutingProbability.lean
Subgroup.commProb_quotient_le
[ { "state_after": "M : Type ?u.28957\ninst✝⁵ : Mul M\ninst✝⁴ : Finite M\nG : Type u_1\ninst✝³ : Group G\ninst✝² : Finite G\ninst✝¹ : Group G\nH : Subgroup G\ninst✝ : Normal H\n⊢ Nat.card (ConjClasses (G ⧸ H)) ≤ Nat.card (ConjClasses G)\n\ncase h\nM : Type ?u.28957\ninst✝⁵ : Mul M\ninst✝⁴ : Finite M\nG : Type u_1...
[ 118, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 109, 1 ]
Mathlib/Topology/VectorBundle/Basic.lean
Trivialization.symmL_continuousLinearMapAt
[]
[ 461, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 459, 1 ]
Mathlib/Data/List/Cycle.lean
List.prev_getLast_cons'
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\nl : List α\nx y : α\nhxy : x ∈ y :: l\nhx : x = y\n⊢ prev (y :: l) x hxy = getLast (y :: l) (_ : y :: l ≠ [])", "tactic": "cases l <;> simp [prev, hx]" } ]
[ 210, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 209, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.nhds_basis_ball_inv_nat_succ
[]
[ 986, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 984, 1 ]
Mathlib/Data/Quot.lean
Quotient.mk_eq_iff_out
[ { "state_after": "α : Sort u_1\nβ : Sort ?u.34412\ns : Setoid α\nx : α\ny : Quotient s\n⊢ Quotient.mk s x = y ↔ Quotient.mk s x = Quotient.mk s (out y)", "state_before": "α : Sort u_1\nβ : Sort ?u.34412\ns : Setoid α\nx : α\ny : Quotient s\n⊢ Quotient.mk s x = y ↔ x ≈ out y", "tactic": "refine' Iff.tran...
[ 386, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 383, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Module.forall_dual_apply_eq_zero_iff
[ { "state_after": "K : Type u₁\nV : Type u₂\ninst✝² : Field K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nv : V\n⊢ (∀ (φ : Dual K V), ↑φ v = 0) ↔ ∀ (x : Dual K V), ↑(↑(eval K V) v) x = ↑0 x", "state_before": "K : Type u₁\nV : Type u₂\ninst✝² : Field K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nv : V\n⊢ ...
[ 578, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 576, 1 ]
Mathlib/Data/Set/Basic.lean
Set.nontrivial_of_pair_subset
[]
[ 2470, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2469, 1 ]
Mathlib/Data/Fintype/Card.lean
Fintype.card_orderDual
[]
[ 379, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 378, 1 ]
Mathlib/NumberTheory/ADEInequality.lean
ADEInequality.admissible_of_one_lt_sumInv
[ { "state_after": "p q r : ℕ+\nH : 1 < sumInv {p, q, r}\n⊢ (∃ q_1 r_1, A' q_1 r_1 = {p, q, r}) ∨\n (∃ r_1, D' r_1 = {p, q, r}) ∨ E' 3 = {p, q, r} ∨ E' 4 = {p, q, r} ∨ E' 5 = {p, q, r}", "state_before": "p q r : ℕ+\nH : 1 < sumInv {p, q, r}\n⊢ Admissible {p, q, r}", "tactic": "simp only [Admissible]" ...
[ 273, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/LinearAlgebra/Span.lean
Submodule.span_image
[]
[ 577, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 575, 1 ]
Mathlib/RingTheory/Congruence.lean
RingCon.coe_int_cast
[]
[ 326, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.toFinsupp_C_mul_X
[ { "state_after": "no goals", "state_before": "R : Type u\na✝ b : R\nm n : ℕ\ninst✝ : Semiring R\np q : R[X]\na : R\n⊢ (↑C a * X).toFinsupp = Finsupp.single 1 a", "tactic": "rw [C_mul_X_eq_monomial, toFinsupp_monomial]" } ]
[ 750, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/Algebra/Homology/HomologicalComplex.lean
ChainComplex.next
[]
[ 124, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/CategoryTheory/Preadditive/Injective.lean
CategoryTheory.Injective.enoughProjectives_of_enoughInjectives_op
[]
[ 274, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 273, 1 ]
Mathlib/GroupTheory/PGroup.lean
IsPGroup.center_nontrivial
[ { "state_after": "no goals", "state_before": "p : ℕ\nG : Type u_1\ninst✝⁴ : Group G\nhG : IsPGroup p G\nhp : Fact (Nat.Prime p)\nα : Type ?u.343920\ninst✝³ : MulAction G α\ninst✝² : Fintype α\ninst✝¹ : Nontrivial G\ninst✝ : Finite G\n⊢ Nontrivial { x // x ∈ Subgroup.center G }", "tactic": "classical\n ...
[ 257, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 248, 1 ]
Mathlib/Data/Num/Lemmas.lean
Num.ofZNum'_toNat
[ { "state_after": "α : Type ?u.862147\np : PosNum\n⊢ castNum <$> ofZNum' (ZNum.pos p) = toNat' ↑↑p", "state_before": "α : Type ?u.862147\np : PosNum\n⊢ castNum <$> ofZNum' (ZNum.pos p) = toNat' ↑p", "tactic": "rw [← PosNum.to_nat_to_int p]" }, { "state_after": "no goals", "state_before": "α :...
[ 1293, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1288, 1 ]
Mathlib/Algebra/Order/Sub/Defs.lean
tsub_le_tsub_add_tsub
[ { "state_after": "α : Type u_1\nβ : Type ?u.12335\ninst✝⁴ : Preorder α\ninst✝³ : AddCommSemigroup α\ninst✝² : Sub α\ninst✝¹ : OrderedSub α\na b c d : α\ninst✝ : CovariantClass α α (fun x x_1 => x + x_1) fun x x_1 => x ≤ x_1\n⊢ a ≤ c + (b - c) + (a - b)", "state_before": "α : Type u_1\nβ : Type ?u.12335\nins...
[ 159, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 157, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
IsLocalization.mk'_eq_zero_iff
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝⁴ : CommSemiring R\nM : Submonoid R\nS : Type u_2\ninst✝³ : CommSemiring S\ninst✝² : Algebra R S\nP : Type ?u.700135\ninst✝¹ : CommSemiring P\ninst✝ : IsLocalization M S\nx : R\ns : { x // x ∈ M }\n⊢ mk' S x s = 0 ↔ ∃ m, ↑m * x = 0", "tact...
[ 348, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 347, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.not_mem_Ioo_of_ge
[]
[ 749, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/Order/Bounds/Basic.lean
isLUB_Ico
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\ninst✝³ : Preorder α\ninst✝² : Preorder β\ns t : Set α\na✝ b✝ : α\ninst✝¹ : SemilatticeInf γ\ninst✝ : DenselyOrdered γ\na b : γ\nhab : a < b\n⊢ IsLUB (Ico a b) b", "tactic": "simpa only [dual_Ioc] using isGLB_Io...
[ 776, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 775, 1 ]
Mathlib/Analysis/InnerProductSpace/PiL2.lean
OrthonormalBasis.coe_of_orthogonal_eq_bot_mk
[]
[ 585, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 583, 11 ]
Mathlib/ModelTheory/FinitelyGenerated.lean
FirstOrder.Language.Substructure.fg_closure
[ { "state_after": "no goals", "state_before": "L : Language\nM : Type u_1\ninst✝ : Structure L M\ns : Set M\nhs : Set.Finite s\n⊢ LowerAdjoint.toFun (closure L) ↑(Finite.toFinset hs) = LowerAdjoint.toFun (closure L) s", "tactic": "rw [hs.coe_toFinset]" } ]
[ 71, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/LinearAlgebra/Matrix/ZPow.lean
Matrix.zpow_one_add
[ { "state_after": "no goals", "state_before": "n' : Type u_1\ninst✝² : DecidableEq n'\ninst✝¹ : Fintype n'\nR : Type u_2\ninst✝ : CommRing R\nA : M\nh : IsUnit (det A)\ni : ℤ\n⊢ A ^ (1 + i) = A * A ^ i", "tactic": "rw [zpow_add h, zpow_one]" } ]
[ 194, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 193, 1 ]
Mathlib/Order/Monotone/Basic.lean
strictAnti_int_of_succ_lt
[]
[ 1068, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1067, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Basic.lean
GaloisConnection.l_ciSup
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.99982\nι : Sort u_3\ninst✝² : ConditionallyCompleteLattice α\ninst✝¹ : ConditionallyCompleteLattice β\ninst✝ : Nonempty ι\nl : α → β\nu : β → α\ngc : GaloisConnection l u\nf : ι → α\nhf : BddAbove (range f)\n⊢ l (⨆ (i : ι)...
[ 1288, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1287, 1 ]
Mathlib/Topology/Homotopy/Path.lean
Path.Homotopy.hcomp_half
[ { "state_after": "no goals", "state_before": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nx₀ x₁ x₂ x₃ : X\np₀ q₀ : Path x₀ x₁\np₁ q₁ : Path x₁ x₂\nF : Homotopy p₀ q₀\nG : Homotopy p₁ q₁\nt : ↑I\n⊢ 0 ≤ 1 / 2", "tactic": "norm_num" }, { "state_after": "no goals...
[ 191, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Data/Sum/Basic.lean
Sum.getRight_map
[ { "state_after": "no goals", "state_before": "α : Type u\nα' : Type w\nβ : Type v\nβ' : Type x\nγ : Type u_1\nδ : Type u_2\nf : α → β\ng : γ → δ\nx : α ⊕ γ\n⊢ getRight (Sum.map f g x) = Option.map g (getRight x)", "tactic": "cases x <;> rfl" } ]
[ 271, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 270, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.SimpleFunc.integral_eq_lintegral'
[ { "state_after": "α : Type u_1\nE : Type u_2\nF : Type ?u.139356\n𝕜 : Type ?u.139359\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedAddCommGroup F\ninst✝³ : NormedSpace ℝ F\np : ℝ≥0∞\nG : Type ?u.139461\nF' : Type ?u.139464\ninst✝² : NormedAddCommGroup G\ninst✝¹ : NormedAddCommGroup F'\ninst✝ : NormedSpace ℝ F...
[ 396, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 383, 1 ]
Mathlib/Analysis/SpecialFunctions/Integrals.lean
integral_sin_pow_succ_le
[ { "state_after": "a b : ℝ\nn : ℕ\nH : ∀ (x : ℝ), x ∈ Set.Icc 0 π → sin x ^ (n + 1) ≤ sin x ^ n :=\n fun x h => pow_le_pow_of_le_one (sin_nonneg_of_mem_Icc h) (sin_le_one x) (Nat.le_add_right n 1)\n⊢ (∫ (x : ℝ) in 0 ..π, sin x ^ (n + 1)) ≤ ∫ (x : ℝ) in 0 ..π, sin x ^ n", "state_before": "a b : ℝ\nn : ℕ\n⊢ (...
[ 692, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 690, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.map_comap_le
[]
[ 1435, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1434, 1 ]
Mathlib/Algebra/Algebra/Hom.lean
AlgHom.mul_apply
[]
[ 446, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 445, 1 ]
Mathlib/Order/Cover.lean
Covby.of_image
[]
[ 346, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Mathlib/MeasureTheory/Measure/NullMeasurable.lean
Set.Finite.nullMeasurableSet_sInter
[]
[ 402, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 400, 1 ]
Mathlib/CategoryTheory/EqToHom.lean
CategoryTheory.inv_eqToHom
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝ : Category C\nX Y : C\nh : X = Y\n⊢ inv (eqToHom h) = eqToHom (_ : Y = X)", "tactic": "aesop_cat" } ]
[ 166, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 165, 1 ]
Mathlib/Analysis/BoxIntegral/Box/SubboxInduction.lean
BoxIntegral.Box.subbox_induction_on'
[ { "state_after": "ι : Type u_1\nI✝ J : Box ι\np : Box ι → Prop\nI : Box ι\nH_ind : ∀ (J : Box ι), J ≤ I → (∀ (s : Set ι), p (splitCenterBox J s)) → p J\nH_nhds :\n ∀ (z : ι → ℝ),\n z ∈ ↑Box.Icc I →\n ∃ U,\n U ∈ 𝓝[↑Box.Icc I] z ∧\n ∀ (J : Box ι),\n J ≤ I →\n ∀ (m...
[ 175, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/Order/SuccPred/Basic.lean
Order.succ_lt_succ_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : Preorder α\ninst✝¹ : SuccOrder α\na b : α\ninst✝ : NoMaxOrder α\n⊢ succ a < succ b ↔ a < b", "tactic": "simp" } ]
[ 348, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 348, 1 ]
Mathlib/Data/Nat/Factorization/Basic.lean
Nat.pow_succ_factorization_not_dvd
[ { "state_after": "n p : ℕ\nhn : n ≠ 0\nhp : Prime p\nh : p ^ (↑(factorization n) p + 1) ∣ n\n⊢ False", "state_before": "n p : ℕ\nhn : n ≠ 0\nhp : Prime p\n⊢ ¬p ^ (↑(factorization n) p + 1) ∣ n", "tactic": "intro h" }, { "state_after": "n p : ℕ\nhn : n ≠ 0\nhp : Prime p\nh : factorization (p ^ (↑...
[ 473, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 469, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Multiequalizer.lean
CategoryTheory.Limits.Multifork.hom_comp_ι
[]
[ 365, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 364, 1 ]
Std/Data/Array/Init/Lemmas.lean
Array.foldl_data_eq_map
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nl : List α\nacc : Array β\nG : α → β\n⊢ (List.foldl (fun acc a => push acc (G a)) acc l).data = acc.data ++ List.map G l", "tactic": "induction l generalizing acc <;> simp [*]" } ]
[ 214, 44 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 212, 1 ]
Mathlib/Analysis/SpecialFunctions/Complex/Arg.lean
Complex.arg_eq_pi_iff
[ { "state_after": "case pos\nz : ℂ\nh₀ : z = 0\n⊢ arg z = π ↔ z.re < 0 ∧ z.im = 0\n\ncase neg\nz : ℂ\nh₀ : ¬z = 0\n⊢ arg z = π ↔ z.re < 0 ∧ z.im = 0", "state_before": "z : ℂ\n⊢ arg z = π ↔ z.re < 0 ∧ z.im = 0", "tactic": "by_cases h₀ : z = 0" }, { "state_after": "case neg\nz : ℂ\nh₀ : ¬z = 0\n⊢ a...
[ 242, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 233, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
contDiffOn_succ_iff_derivWithin
[ { "state_after": "𝕜 : Type u_1\ninst✝¹⁰ : NontriviallyNormedField 𝕜\nD : Type uD\ninst✝⁹ : NormedAddCommGroup D\ninst✝⁸ : NormedSpace 𝕜 D\nE : Type uE\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type uG\ninst✝³ : Normed...
[ 2086, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2068, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.has_map_eq_map
[]
[ 873, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 872, 1 ]
Mathlib/GroupTheory/GroupAction/Defs.lean
ofAdd_smul
[]
[ 1190, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1189, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
ofAdd_sum
[]
[ 2361, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2360, 1 ]
Mathlib/Data/Int/Dvd/Pow.lean
Int.pow_dvd_of_le_of_pow_dvd
[]
[ 34, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 32, 1 ]
Mathlib/Algebra/Hom/Centroid.lean
CentroidHom.coe_zero
[]
[ 294, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 293, 1 ]
Mathlib/Topology/Algebra/Order/LeftRightLim.lean
Monotone.rightLim_le
[]
[ 140, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
BilinForm.compRight_compLeft
[]
[ 588, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 586, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.biUnion_le_iff
[ { "state_after": "case mp\nι : Type u_1\nI J✝ J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ι → ℝ\nπi✝ πi₁ πi₂ πi : (J : Box ι) → Prepartition J\nπ' : Prepartition I\nH : biUnion π πi ≤ π'\nJ : Box ι\nhJ : J ∈ π\n⊢ πi J ≤ restrict π' J\n\ncase mpr\nι : Type u_1\nI J✝ J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ...
[ 552, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 543, 1 ]
Mathlib/Algebra/Star/SelfAdjoint.lean
selfAdjoint.val_one
[]
[ 326, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_subset_Ioi_iff
[]
[ 578, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 577, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.map_map
[]
[ 1444, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1443, 1 ]
Mathlib/Data/Int/ConditionallyCompleteOrder.lean
Int.csInf_eq_least_of_bdd
[ { "state_after": "s : Set ℤ\ninst✝ : DecidablePred fun x => x ∈ s\nb : ℤ\nHb : ∀ (z : ℤ), z ∈ s → b ≤ z\nHinh : ∃ z, z ∈ s\nthis : Set.Nonempty s ∧ BddBelow s\n⊢ sInf s = ↑(leastOfBdd b Hb Hinh)", "state_before": "s : Set ℤ\ninst✝ : DecidablePred fun x => x ∈ s\nb : ℤ\nHb : ∀ (z : ℤ), z ∈ s → b ≤ z\nHinh : ...
[ 87, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/RingTheory/NonUnitalSubsemiring/Basic.lean
NonUnitalSubsemiring.closure_empty
[]
[ 719, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 718, 1 ]
Mathlib/Data/Multiset/Fold.lean
Multiset.le_smul_dedup
[ { "state_after": "α : Type u_1\nβ : Type ?u.22330\ninst✝ : DecidableEq α\ns : Multiset α\na : α\n⊢ count a s ≤ fold max 0 (map (fun a => count a s) s) * count a (dedup s)", "state_before": "α : Type u_1\nβ : Type ?u.22330\ninst✝ : DecidableEq α\ns : Multiset α\na : α\n⊢ count a s ≤ count a (fold max 0 (map ...
[ 153, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 144, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
zpow_nonneg
[ { "state_after": "ι : Type ?u.12689\nα : Type u_1\nβ : Type ?u.12695\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n✝ : ℤ\nha : 0 ≤ a\nn : ℕ\n⊢ 0 ≤ a ^ n", "state_before": "ι : Type ?u.12689\nα : Type u_1\nβ : Type ?u.12695\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n✝ : ℤ\nha : 0 ≤ a\nn : ℕ\...
[ 117, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/Data/Nat/Basic.lean
Nat.le_of_pred_lt
[]
[ 329, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 326, 1 ]
Mathlib/Data/List/Func.lean
List.Func.mem_get_of_le
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\na : α\nas as1 as2 as3 : List α\ninst✝¹ : Inhabited α\ninst✝ : Inhabited β\nx✝ : ℕ\nh1 : x✝ < length []\n⊢ get x✝ [] ∈ []", "tactic": "cases h1" }, { "state_after": "α : Type u\nβ : Type v\nγ : Type w\na✝ : α\nas✝ a...
[ 158, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Algebra/Order/Sub/Canonical.lean
AddLECancellable.add_tsub_tsub_cancel
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝⁵ : AddCommSemigroup α\ninst✝⁴ : PartialOrder α\ninst✝³ : ExistsAddOfLE α\ninst✝² : CovariantClass α α (fun x x_1 => x + x_1) fun x x_1 => x ≤ x_1\ninst✝¹ : Sub α\ninst✝ : OrderedSub α\na b c d : α\nhac : AddLECancellable (a - c)\nh : c ≤ a\n⊢...
[ 187, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 185, 11 ]
Mathlib/Analysis/Complex/Basic.lean
Complex.re_tsum
[]
[ 615, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 614, 1 ]
Mathlib/Algebra/Periodic.lean
Function.Periodic.div
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.30906\nf g : α → β\nc c₁ c₂ x : α\ninst✝¹ : Add α\ninst✝ : Div β\nhf : Periodic f c\nhg : Periodic g c\n⊢ Periodic (f / g) c", "tactic": "simp_all" } ]
[ 77, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 76, 11 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.leadingCoeff_of_c_ne_zero
[ { "state_after": "no goals", "state_before": "R : Type u_1\nS : Type ?u.556672\nF : Type ?u.556675\nK : Type ?u.556678\nP Q : Cubic R\na b c d a' b' c' d' : R\ninst✝ : Semiring R\nha : P.a = 0\nhb : P.b = 0\nhc : P.c ≠ 0\n⊢ leadingCoeff (toPoly P) = P.c", "tactic": "rw [of_b_eq_zero ha hb, leadingCoeff_...
[ 225, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 223, 1 ]
Mathlib/Data/Fintype/Basic.lean
Finset.inter_compl
[]
[ 208, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 207, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
InnerProductSpace.Core.inner_smul_left
[]
[ 241, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/MeasureTheory/Integral/IntegralEqImproper.lean
MeasureTheory.AECover.iSup_lintegral_eq_of_countably_generated
[ { "state_after": "α : Type u_2\nι : Type u_1\ninst✝³ : MeasurableSpace α\nμ : Measure α\nl : Filter ι\ninst✝² : Nonempty ι\ninst✝¹ : NeBot l\ninst✝ : IsCountablyGenerated l\nφ : ι → Set α\nhφ : AECover μ l φ\nf : α → ℝ≥0∞\nhfm : AEMeasurable f\nthis : Tendsto (fun i => ∫⁻ (x : α) in φ i, f x ∂μ) l (𝓝 (∫⁻ (x : ...
[ 399, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 391, 1 ]
Mathlib/Algebra/Field/Defs.lean
Rat.cast_def
[]
[ 143, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 142, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.coeff_zero_X
[ { "state_after": "no goals", "state_before": "R : Type u\nS₁ : Type v\nS₂ : Type w\nS₃ : Type x\nσ : Type u_1\na a' a₁ a₂ : R\ne : ℕ\nn m : σ\ns : σ →₀ ℕ\ninst✝¹ : CommSemiring R\ninst✝ : CommSemiring S₁\np q : MvPolynomial σ R\ni : σ\nh : Finsupp.single i 1 = 0\n⊢ False", "tactic": "cases Finsupp.singl...
[ 627, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 626, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.transpose_pow
[]
[ 2094, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2092, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.pow_equiv_pow
[ { "state_after": "case zero\nα : Type u_1\nβ : Type u_2\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nf1 f2 : CauSeq β abv\nhf : f1 ≈ f2\n⊢ f1 ^ Nat.zero ≈ f2 ^ Nat.zero\n\ncase succ\nα : Type u_1\nβ : Type u_2\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β...
[ 586, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 583, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.comap_map_eq_of_injective
[]
[ 388, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 387, 1 ]
Mathlib/Order/Heyting/Basic.lean
himp_self
[]
[ 341, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/Data/Finmap.lean
Finmap.mem_union
[]
[ 573, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 572, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
measurable_biSup
[ { "state_after": "α : Type u_3\nβ : Type ?u.1524783\nγ : Type ?u.1524786\nγ₂ : Type ?u.1524789\nδ : Type u_2\nι✝ : Sort y\ns✝ t u : Set α\ninst✝¹² : TopologicalSpace α\ninst✝¹¹ : MeasurableSpace α\ninst✝¹⁰ : BorelSpace α\ninst✝⁹ : TopologicalSpace β\ninst✝⁸ : MeasurableSpace β\ninst✝⁷ : BorelSpace β\ninst✝⁶ : T...
[ 1284, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1280, 1 ]
Mathlib/RingTheory/Polynomial/Cyclotomic/Basic.lean
Polynomial.map_cyclotomic_int
[ { "state_after": "case pos\nn : ℕ\nR : Type u_1\ninst✝ : Ring R\nhzero : n = 0\n⊢ map (Int.castRingHom R) (cyclotomic n ℤ) = cyclotomic n R\n\ncase neg\nn : ℕ\nR : Type u_1\ninst✝ : Ring R\nhzero : ¬n = 0\n⊢ map (Int.castRingHom R) (cyclotomic n ℤ) = cyclotomic n R", "state_before": "n : ℕ\nR : Type u_1\nin...
[ 273, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
Mathlib/LinearAlgebra/Matrix/Charpoly/LinearMap.lean
Matrix.isRepresentation.eq_toEnd_of_represents
[]
[ 190, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/Algebra/Star/CHSH.lean
TsirelsonInequality.sqrt_two_inv_mul_self
[ { "state_after": "R : Type u\n⊢ (Real.sqrt 2 * Real.sqrt 2)⁻¹ = 2⁻¹", "state_before": "R : Type u\n⊢ (Real.sqrt 2)⁻¹ * (Real.sqrt 2)⁻¹ = 2⁻¹", "tactic": "rw [← mul_inv]" }, { "state_after": "no goals", "state_before": "R : Type u\n⊢ (Real.sqrt 2 * Real.sqrt 2)⁻¹ = 2⁻¹", "tactic": "norm_n...
[ 182, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 180, 1 ]
Mathlib/CategoryTheory/Subobject/Basic.lean
CategoryTheory.Subobject.representative_arrow
[]
[ 227, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Topology/MetricSpace/Infsep.lean
Set.einfsep_le_of_mem_of_edist_le
[]
[ 122, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/Algebra/Hom/Units.lean
IsUnit.mul_eq_one_iff_eq_inv
[]
[ 356, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 355, 11 ]
Mathlib/Algebra/Group/Prod.lean
Prod.mk_one_mul_mk_one
[ { "state_after": "no goals", "state_before": "A : Type ?u.2634\nB : Type ?u.2637\nG : Type ?u.2640\nH : Type ?u.2643\nM : Type u_1\nN : Type u_2\nP : Type ?u.2652\ninst✝¹ : Mul M\ninst✝ : Monoid N\na₁ a₂ : M\n⊢ (a₁, 1) * (a₂, 1) = (a₁ * a₂, 1)", "tactic": "rw [mk_mul_mk, mul_one]" } ]
[ 88, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/LinearAlgebra/StdBasis.lean
Matrix.stdBasis_eq_stdBasisMatrix
[ { "state_after": "case a.h\nR : Type u_3\nm : Type u_2\nn : Type u_1\ninst✝⁴ : Fintype m\ninst✝³ : Fintype n\ninst✝² : Semiring R\ni : n\nj : m\ninst✝¹ : DecidableEq n\ninst✝ : DecidableEq m\na : n\nb : m\n⊢ ↑(stdBasis R n m) (i, j) a b = stdBasisMatrix i j 1 a b", "state_before": "R : Type u_3\nm : Type u_...
[ 334, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/Data/Rel.lean
Rel.core_subset
[]
[ 219, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 219, 1 ]
Mathlib/RingTheory/NonUnitalSubsemiring/Basic.lean
NonUnitalSubsemiring.top_prod_top
[]
[ 814, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 813, 1 ]
Mathlib/Data/Set/Prod.lean
Set.insert_pi
[ { "state_after": "case h\nι : Type u_1\nα : ι → Type u_2\nβ : ι → Type ?u.128441\ns✝ s₁ s₂ : Set ι\nt✝ t₁ t₂ : (i : ι) → Set (α i)\ni✝ i : ι\ns : Set ι\nt : (i : ι) → Set (α i)\nx✝ : (i : ι) → α i\n⊢ x✝ ∈ pi (insert i s) t ↔ x✝ ∈ eval i ⁻¹' t i ∩ pi s t", "state_before": "ι : Type u_1\nα : ι → Type u_2\nβ :...
[ 727, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 724, 1 ]