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Mathlib/Data/Finsupp/Order.lean
Finsupp.single_le_iff
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : Type u_2\ninst✝ : CanonicallyOrderedAddMonoid α\ni : ι\nx : α\nf : ι →₀ α\n⊢ (∀ (i_1 : ι), i_1 ∈ {i} → ↑(single i x) i_1 ≤ ↑f i_1) ↔ x ≤ ↑f i", "tactic": "simp" } ]
[ 173, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/MeasureTheory/Group/Arithmetic.lean
AEMeasurable.mul
[]
[ 160, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Algebra/Order/SMul.lean
smul_lt_smul_iff_of_pos
[]
[ 125, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/NumberTheory/RamificationInertia.lean
Ideal.rank_pow_quot_aux
[ { "state_after": "R : Type u\ninst✝⁵ : CommRing R\nS : Type v\ninst✝⁴ : CommRing S\nf : R →+* S\np : Ideal R\nP : Ideal S\nhfp : NeZero e\ninst✝³ : IsDomain S\ninst✝² : IsDedekindDomain S\ninst✝¹ : IsMaximal p\ninst✝ : IsPrime P\nhP0 : P ≠ ⊥\ni : ℕ\nhi : i < e\nthis : Field (R ⧸ p) := Quotient.field p\n⊢ Module...
[ 629, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 621, 1 ]
Mathlib/Data/Polynomial/Splits.lean
Polynomial.degree_eq_card_roots
[ { "state_after": "no goals", "state_before": "F : Type u\nK : Type v\nL : Type w\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Field F\ni✝ : K →+* L\np : K[X]\ni : K →+* L\np_ne_zero : p ≠ 0\nhsplit : Splits i p\n⊢ degree p = ↑(↑Multiset.card (roots (map i p)))", "tactic": "rw [degree_eq_natDegree p_ne_z...
[ 327, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/Algebra/Order/Hom/Ring.lean
OrderRingIso.refl_apply
[ { "state_after": "no goals", "state_before": "F : Type ?u.65495\nα : Type u_1\nβ : Type ?u.65501\nγ : Type ?u.65504\nδ : Type ?u.65507\ninst✝¹¹ : Mul α\ninst✝¹⁰ : Add α\ninst✝⁹ : LE α\ninst✝⁸ : Mul β\ninst✝⁷ : Add β\ninst✝⁶ : LE β\ninst✝⁵ : Mul γ\ninst✝⁴ : Add γ\ninst✝³ : LE γ\ninst✝² : Mul δ\ninst✝¹ : Add ...
[ 442, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 441, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Mul.lean
DifferentiableWithinAt.smul_const
[]
[ 246, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 244, 1 ]
Mathlib/Algebra/GroupWithZero/Units/Basic.lean
Ring.mul_inverse_cancel_left
[ { "state_after": "no goals", "state_before": "α : Type ?u.7593\nM₀ : Type u_1\nG₀ : Type ?u.7599\nM₀' : Type ?u.7602\nG₀' : Type ?u.7605\nF : Type ?u.7608\nF' : Type ?u.7611\ninst✝ : MonoidWithZero M₀\nx y : M₀\nh : IsUnit x\n⊢ x * (inverse x * y) = y", "tactic": "rw [← mul_assoc, mul_inverse_cancel x h...
[ 125, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/CategoryTheory/Sites/Sheafification.lean
CategoryTheory.Meq.equiv_symm_eq_apply
[ { "state_after": "C : Type u\ninst✝⁴ : Category C\nJ : GrothendieckTopology C\nD : Type w\ninst✝³ : Category D\ninst✝² : ConcreteCategory D\ninst✝¹ : PreservesLimits (forget D)\nX : C\nP : Cᵒᵖ ⥤ D\nS : GrothendieckTopology.Cover J X\ninst✝ : HasMultiequalizer (GrothendieckTopology.Cover.index S P)\nx : Meq P S\...
[ 140, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 1 ]
Mathlib/Combinatorics/Pigeonhole.lean
Finset.exists_lt_sum_fiber_of_sum_fiber_nonpos_of_nsmul_lt_sum
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nM : Type w\ninst✝¹ : DecidableEq β\ns : Finset α\nt : Finset β\nf : α → β\nw : α → M\nb : M\nn : ℕ\ninst✝ : LinearOrderedCancelAddCommMonoid M\nht : ∀ (y : β), ¬y ∈ t → ∑ x in filter (fun x => f x = y) s, w x ≤ 0\nhb : card t • b < ∑ x in...
[ 146, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/NumberTheory/ArithmeticFunction.lean
Nat.ArithmeticFunction.ext_iff
[]
[ 116, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.iInf_adj_of_nonempty
[ { "state_after": "no goals", "state_before": "ι : Sort u_1\n𝕜 : Type ?u.23218\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\ninst✝ : Nonempty ι\nf : ι → SimpleGraph V\n⊢ Adj (⨅ (i : ι), f i) a b ↔ ∀ (i : ι), Adj (f i) a b", "tactic": "rw [iInf, ...
[ 337, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 335, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.inf'_lt_iff
[]
[ 1108, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1107, 1 ]
Mathlib/Topology/Order/Basic.lean
mem_nhdsWithin_Ici_iff_exists_mem_Ioc_Ico_subset
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : OrderTopology α\na u' : α\ns : Set α\nhu' : a < u'\n⊢ List.get?\n [s ∈ 𝓝[Ici a] a, s ∈ 𝓝[Icc a u'] a, s ∈ 𝓝[Ico a u'] a, ∃ u, u ∈ Ioc a u' ∧ Ico a u ⊆ s,\n ...
[ 1758, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1756, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.comap_apply₀
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.225222\nδ : Type ?u.225225\nι : Type ?u.225228\nR : Type ?u.225231\nR' : Type ?u.225234\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ✝ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set α\ninst✝ : MeasurableSpace α\nf : α ...
[ 1318, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1314, 1 ]
Mathlib/Algebra/Group/Basic.lean
mul_left_comm
[]
[ 98, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Algebra/Hom/Freiman.lean
map_prod_eq_map_prod_of_le
[ { "state_after": "case inl\nF : Type u_2\nα : Type u_1\nβ : Type u_3\nγ : Type ?u.82361\nδ : Type ?u.82364\nG : Type ?u.82367\ninst✝³ : FunLike F α fun x => β\ninst✝² : CommMonoid α\ninst✝¹ : CancelCommMonoid β\nA : Set α\nn : ℕ\ninst✝ : FreimanHomClass F A β n\nf : F\ns t : Multiset α\nhsA : ∀ (x : α), x ∈ s →...
[ 523, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 494, 1 ]
Mathlib/LinearAlgebra/Matrix/Charpoly/Coeff.lean
Matrix.matPolyEquiv_eval
[ { "state_after": "R : Type u\ninst✝³ : CommRing R\nn G : Type v\ninst✝² : DecidableEq n\ninst✝¹ : Fintype n\nα β : Type v\ninst✝ : DecidableEq α\nM✝ : Matrix n n R\nM : Matrix n n R[X]\nr : R\ni j : n\n⊢ eval₂ (RingHom.id ((fun x => Matrix n n R) r)) (↑(scalar n) r) (↑matPolyEquiv M) i j = eval₂ (RingHom.id R) ...
[ 182, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 163, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.spanCompIso_app_right
[]
[ 348, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 348, 1 ]
Mathlib/Data/Complex/Module.lean
Complex.finrank_real_complex
[ { "state_after": "no goals", "state_before": "R : Type ?u.167341\nS : Type ?u.167344\n⊢ finrank ℝ ℂ = 2", "tactic": "rw [finrank_eq_card_basis basisOneI, Fintype.card_fin]" } ]
[ 187, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 186, 1 ]
Mathlib/Data/Nat/Factorial/Basic.lean
Nat.factorial_mul_descFactorial
[ { "state_after": "no goals", "state_before": "n : ℕ\nx✝ : 0 ≤ n\n⊢ (n - 0)! * descFactorial n 0 = n !", "tactic": "rw [descFactorial_zero, mul_one, tsub_zero]" }, { "state_after": "case h\nk : ℕ\nh : succ k ≤ 0\n⊢ False", "state_before": "k : ℕ\nh : succ k ≤ 0\n⊢ (0 - succ k)! * descFactoria...
[ 425, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 418, 1 ]
Mathlib/Data/Multiset/Powerset.lean
Multiset.powersetAux_perm_powersetAux'
[ { "state_after": "α : Type u_1\nl : List α\n⊢ List.map ofList (sublists l) ~ powersetAux' l", "state_before": "α : Type u_1\nl : List α\n⊢ powersetAux l ~ powersetAux' l", "tactic": "rw [powersetAux_eq_map_coe]" }, { "state_after": "no goals", "state_before": "α : Type u_1\nl : List α\n⊢ Lis...
[ 50, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/Topology/MetricSpace/Lipschitz.lean
lipschitz_on_univ
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Type x\ninst✝¹ : PseudoEMetricSpace α\ninst✝ : PseudoEMetricSpace β\nK : ℝ≥0\nf : α → β\n⊢ LipschitzOnWith K f univ ↔ LipschitzWith K f", "tactic": "simp [LipschitzOnWith, LipschitzWith]" } ]
[ 99, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 1 ]
Std/Data/Nat/Gcd.lean
Nat.lcm_assoc
[]
[ 222, 36 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 214, 1 ]
Mathlib/Algebra/DualQuaternion.lean
Quaternion.imJ_fst_dualNumberEquiv
[]
[ 79, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.one_submatrix_mul
[ { "state_after": "case intro\nl : Type u_4\nm : Type u_1\nn : Type u_3\no : Type u_2\nm' : o → Type ?u.1177977\nn' : o → Type ?u.1177982\nR : Type ?u.1177985\nS : Type ?u.1177988\nα : Type v\nβ : Type w\nγ : Type ?u.1177995\ninst✝³ : Fintype m\ninst✝² : Finite o\ninst✝¹ : NonAssocSemiring α\ninst✝ : DecidableEq...
[ 2539, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2530, 1 ]
Mathlib/Topology/Order/Basic.lean
Dense.exists_gt
[]
[ 762, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 760, 11 ]
Mathlib/RingTheory/ChainOfDivisors.lean
pow_image_of_prime_by_factor_orderIso_dvd
[ { "state_after": "case pos\nM : Type u_1\ninst✝⁴ : CancelCommMonoidWithZero M\nN : Type u_2\ninst✝³ : CancelCommMonoidWithZero N\ninst✝² : UniqueFactorizationMonoid N\ninst✝¹ : UniqueFactorizationMonoid M\ninst✝ : DecidableEq (Associates M)\nm p : Associates M\nn : Associates N\nhn : n ≠ 0\nhp : p ∈ normalizedF...
[ 284, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 255, 1 ]
Mathlib/Algebra/Hom/NonUnitalAlg.lean
NonUnitalAlgHom.map_mul
[]
[ 242, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 241, 11 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.nonempty_Ici
[]
[ 286, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/Data/Finset/Sups.lean
Finset.card_sups_le
[]
[ 74, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 73, 1 ]
Mathlib/RingTheory/NonUnitalSubsemiring/Basic.lean
NonUnitalSubsemiring.sInf_toAddSubmonoid
[]
[ 449, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 447, 1 ]
Mathlib/Init/CcLemmas.lean
and_eq_of_eq_true_right
[]
[ 25, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 24, 1 ]
Mathlib/RingTheory/Polynomial/Pochhammer.lean
pochhammer_eval_one
[ { "state_after": "no goals", "state_before": "S✝ : Type ?u.28714\ninst✝¹ : Semiring S✝\nr n✝ : ℕ\nS : Type u_1\ninst✝ : Semiring S\nn : ℕ\n⊢ eval 1 (pochhammer S n) = ↑n !", "tactic": "rw_mod_cast [pochhammer_nat_eq_ascFactorial, Nat.zero_ascFactorial]" } ]
[ 193, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 191, 1 ]
Mathlib/Algebra/Order/UpperLower.lean
IsLowerSet.smul
[]
[ 56, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Algebra/Ring/Units.lean
IsUnit.neg_iff
[]
[ 104, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Data/List/Nodup.lean
List.Nodup.mem_erase_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nl l₁ l₂ : List α\nr : α → α → Prop\na b : α\ninst✝ : DecidableEq α\nd : Nodup l\n⊢ a ∈ List.erase l b ↔ a ≠ b ∧ a ∈ l", "tactic": "rw [d.erase_eq_filter, mem_filter, and_comm, decide_eq_true_iff]" } ]
[ 325, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 324, 1 ]
Mathlib/CategoryTheory/Limits/Opposites.lean
CategoryTheory.Limits.hasLimits_of_hasColimits_op
[]
[ 275, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Type.lean
Equiv.Perm.cycleType_eq
[ { "state_after": "α : Type u_1\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nσ : Perm α\nl : List (Perm α)\nh0 : List.prod l = σ\nh1 : ∀ (σ : Perm α), σ ∈ l → IsCycle σ\nh2 : List.Pairwise Disjoint l\nhl : List.Nodup l\n⊢ cycleType σ = ↑(List.map (Finset.card ∘ support) l)", "state_before": "α : Type u_1\nins...
[ 77, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.integrable_finset_sum_measure
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_3\nγ : Type ?u.841691\nδ : Type ?u.841694\nm✝ : MeasurableSpace α\nμ✝ ν : Measure α\ninst✝² : MeasurableSpace δ\ninst✝¹ : NormedAddCommGroup β\ninst✝ : NormedAddCommGroup γ\nι : Type u_1\nm : MeasurableSpace α\nf : α → β\nμ : ι → Measure...
[ 560, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 558, 1 ]
Mathlib/Order/FixedPoints.lean
OrderHom.le_prevFixed_iff
[]
[ 236, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Analysis/Convex/Function.lean
strictConcaveOn_iff_div
[]
[ 1079, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1075, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.filter_empty
[]
[ 2725, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2724, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.lt_of_succ_lt_succ
[]
[ 308, 21 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 307, 1 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.degree_of_b_ne_zero
[ { "state_after": "no goals", "state_before": "R : Type u_1\nS : Type ?u.579663\nF : Type ?u.579666\nK : Type ?u.579669\nP Q : Cubic R\na b c d a' b' c' d' : R\ninst✝ : Semiring R\nha : P.a = 0\nhb : P.b ≠ 0\n⊢ degree (toPoly P) = 2", "tactic": "rw [of_a_eq_zero ha, degree_quadratic hb]" } ]
[ 323, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 322, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
InnerProductSpace.Core.inner_self_nonneg
[]
[ 213, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/RingTheory/AlgebraicIndependent.lean
AlgebraicIndependent.option_iff
[ { "state_after": "ι : Type u_1\nι' : Type ?u.1278169\nR : Type u_2\nK : Type ?u.1278175\nA : Type u_3\nA' : Type ?u.1278181\nA'' : Type ?u.1278184\nV : Type u\nV' : Type ?u.1278189\nx : ι → A\ninst✝⁶ : CommRing R\ninst✝⁵ : CommRing A\ninst✝⁴ : CommRing A'\ninst✝³ : CommRing A''\ninst✝² : Algebra R A\ninst✝¹ : A...
[ 497, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 490, 1 ]
Mathlib/Algebra/TrivSqZeroExt.lean
TrivSqZeroExt.inr_neg
[]
[ 363, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.support_map_subset
[ { "state_after": "R : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝¹ : Semiring R\ninst✝ : Semiring S\nf : R →+* S\np : R[X]\nx : ℕ\n⊢ x ∈ support (map f p) → x ∈ support p", "state_before": "R : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝¹ : Semiring R\ninst✝ :...
[ 1179, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1175, 1 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometryEquiv.one_def
[]
[ 887, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 886, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.iSup_sets_eq
[]
[ 531, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 530, 1 ]
Mathlib/Analysis/Convex/Side.lean
AffineSubspace.wSameSide_smul_vsub_vadd_left
[ { "state_after": "R : Type u_1\nV : Type u_2\nV' : Type ?u.160080\nP : Type u_3\nP' : Type ?u.160086\ninst✝⁶ : StrictOrderedCommRing R\ninst✝⁵ : AddCommGroup V\ninst✝⁴ : Module R V\ninst✝³ : AddTorsor V P\ninst✝² : AddCommGroup V'\ninst✝¹ : Module R V'\ninst✝ : AddTorsor V' P'\ns : AffineSubspace R P\np₁ p₂ x :...
[ 334, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 330, 1 ]
Mathlib/Analysis/Complex/Basic.lean
Complex.dist_of_re_eq
[ { "state_after": "no goals", "state_before": "E : Type ?u.11974\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℂ E\nz w : ℂ\nh : z.re = w.re\n⊢ dist z w = dist z.im w.im", "tactic": "rw [dist_eq_re_im, h, sub_self, zero_pow two_pos, zero_add, Real.sqrt_sq_eq_abs, Real.dist_eq]" } ]
[ 107, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 106, 1 ]
Mathlib/Analysis/Complex/RealDeriv.lean
ContDiff.real_of_complex
[]
[ 97, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 95, 1 ]
Mathlib/Computability/Primrec.lean
Primrec.unpair
[ { "state_after": "no goals", "state_before": "α : Type ?u.50039\nσ : Type ?u.50042\ninst✝¹ : Primcodable α\ninst✝ : Primcodable σ\nn : ℕ\n⊢ ((Nat.unpair n).fst, (Nat.unpair n).snd) = Nat.unpair n", "tactic": "simp" } ]
[ 375, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 374, 1 ]
Mathlib/LinearAlgebra/Span.lean
Submodule.comap_map_eq
[ { "state_after": "R : Type u_1\nR₂ : Type u_3\nK : Type ?u.292037\nM : Type u_2\nM₂ : Type u_4\nV : Type ?u.292046\nS : Type ?u.292049\ninst✝⁶ : Semiring R\ninst✝⁵ : Semiring R₂\ninst✝⁴ : AddCommGroup M\ninst✝³ : Module R M\ninst✝² : AddCommGroup M₂\ninst✝¹ : Module R₂ M₂\nτ₁₂ : R →+* R₂\ninst✝ : RingHomSurject...
[ 861, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 858, 1 ]
Mathlib/Algebra/Quaternion.lean
Quaternion.rat_cast_imJ
[]
[ 1361, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1360, 1 ]
Mathlib/Data/List/Chain.lean
List.chain_map
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nR r : α → α → Prop\nl✝ l₁ l₂ : List α\na b✝ : α\nf : β → α\nb : β\nl : List β\n⊢ Chain R (f b) (map f l) ↔ Chain (fun a b => R (f a) (f b)) b l", "tactic": "induction l generalizing b <;> simp only [map, Chain.nil, chain_cons, *]" }...
[ 87, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/Data/Quot.lean
Quotient.surjective_Quotient_mk''
[]
[ 612, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 611, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.LeftInverse.comp
[ { "state_after": "no goals", "state_before": "α : Sort u_2\nβ : Sort u_1\nγ : Sort u_3\nf✝ f : α → β\ng : β → α\nh : β → γ\ni : γ → β\nhf : LeftInverse f g\nhh : LeftInverse h i\na : γ\n⊢ h (f (g (i a))) = a", "tactic": "rw [hf (i a), hh a]" } ]
[ 345, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 343, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.div_add_div_same
[]
[ 1691, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1690, 11 ]
Mathlib/Algebra/GroupPower/Order.lean
pow_lt_pow_iff_of_lt_one
[]
[ 519, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 518, 1 ]
Mathlib/Order/Hom/CompleteLattice.lean
sInfHom.coe_top
[]
[ 516, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 515, 1 ]
Mathlib/Data/Finmap.lean
Finmap.mem_insert
[]
[ 497, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 496, 1 ]
Mathlib/Algebra/BigOperators/Order.lean
Finset.prod_le_prod
[ { "state_after": "case empty\nι : Type u_1\nα : Type ?u.149270\nβ : Type ?u.149273\nM : Type ?u.149276\nN : Type ?u.149279\nG : Type ?u.149282\nk : Type ?u.149285\nR : Type u_2\ninst✝ : OrderedCommSemiring R\nf g : ι → R\ns t : Finset ι\nh0✝ : ∀ (i : ι), i ∈ s → 0 ≤ f i\nh1✝ : ∀ (i : ι), i ∈ s → f i ≤ g i\nh0 :...
[ 604, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 595, 1 ]
Mathlib/Algebra/Algebra/Basic.lean
Algebra.algebraMap_eq_smul_one'
[]
[ 363, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Topology/Perfect.lean
exists_perfect_nonempty_of_isClosed_of_not_countable
[ { "state_after": "case intro.intro.intro.intro\nα : Type u_1\ninst✝¹ : TopologicalSpace α\nC : Set α\ninst✝ : SecondCountableTopology α\nhclosed : IsClosed C\nhunc : ¬Set.Countable C\nV D : Set α\nVct : Set.Countable V\nDperf : Perfect D\nVD : C = V ∪ D\n⊢ ∃ D, Perfect D ∧ Set.Nonempty D ∧ D ⊆ C", "state_be...
[ 217, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 206, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.eval_mul_X_pow
[ { "state_after": "case zero\nR : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝ : Semiring R\np q r : R[X]\nx : R\n⊢ eval x (p * X ^ Nat.zero) = eval x p * x ^ Nat.zero\n\ncase succ\nR : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝ : Semiring R\np q r : R[X]\nx : R\nk...
[ 466, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 463, 1 ]
Mathlib/Data/Nat/Bitwise.lean
Nat.land'_assoc
[ { "state_after": "no goals", "state_before": "n m k : ℕ\n⊢ land' (land' n m) k = land' n (land' m k)", "tactic": "bitwise_assoc_tac" } ]
[ 231, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
AffineSubspace.coe_subtypeₐᵢ
[]
[ 298, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 297, 1 ]
Mathlib/Data/Set/Pointwise/SMul.lean
Set.smul_set_iUnion₂
[]
[ 389, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 387, 1 ]
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
AffineIsometryEquiv.dist_pointReflection_self'
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_3\nV : Type u_2\nV₁ : Type ?u.2060153\nV₂ : Type ?u.2060156\nV₃ : Type ?u.2060159\nV₄ : Type ?u.2060162\nP₁ : Type ?u.2060165\nP : Type u_1\nP₂ : Type ?u.2060171\nP₃ : Type ?u.2060174\nP₄ : Type ?u.2060177\ninst✝²¹ : NormedField 𝕜\ninst✝²⁰ : Seminor...
[ 810, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 809, 1 ]
Mathlib/Data/List/Basic.lean
List.zipLeft_cons_nil
[]
[ 4188, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 4186, 1 ]
Mathlib/Topology/MetricSpace/Baire.lean
dense_iInter_of_open_nat
[]
[ 195, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 193, 1 ]
Mathlib/Analysis/Normed/Group/Seminorm.lean
NonarchAddGroupSeminorm.smul_apply
[]
[ 725, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 724, 1 ]
Mathlib/Data/Nat/Parity.lean
Nat.odd_sub'
[ { "state_after": "no goals", "state_before": "m n : ℕ\nh : n ≤ m\n⊢ Odd (m - n) ↔ (Odd n ↔ Even m)", "tactic": "rw [odd_iff_not_even, even_sub h, not_iff, not_iff_comm, odd_iff_not_even]" } ]
[ 205, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/Algebra/Hom/GroupInstances.lean
AddMonoidHom.mul_apply
[]
[ 312, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 311, 1 ]
Mathlib/MeasureTheory/Constructions/Polish.lean
MeasureTheory.AnalyticSet.iUnion
[ { "state_after": "α : Type u_2\ninst✝¹ : TopologicalSpace α\nι : Type u_1\ninst✝ : Countable ι\ns : ι → Set α\nhs : ∀ (n : ι), AnalyticSet (s n)\nβ : ι → Type\nhβ : (n : ι) → TopologicalSpace (β n)\nh'β : ∀ (n : ι), PolishSpace (β n)\nf : (n : ι) → β n → α\nf_cont : ∀ (n : ι), Continuous (f n)\nf_range : ∀ (n :...
[ 209, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/Analysis/NormedSpace/Banach.lean
LinearMap.continuous_of_seq_closed_graph
[ { "state_after": "𝕜 : Type u_3\ninst✝⁶ : NontriviallyNormedField 𝕜\nE : Type u_1\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace 𝕜 E\nF : Type u_2\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace 𝕜 F\nf : E →L[𝕜] F\ninst✝¹ : CompleteSpace F\ninst✝ : CompleteSpace E\ng : E →ₗ[𝕜] F\nhg : ∀ (u : ℕ →...
[ 478, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 468, 1 ]
Mathlib/Data/Finset/Sym.lean
Finset.sym2_nonempty
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\ns t : Finset α\na b : α\nm : Sym2 α\n⊢ Finset.Nonempty (Finset.sym2 s) ↔ Finset.Nonempty s", "tactic": "rw [Finset.sym2, Nonempty.image_iff, nonempty_product, and_self_iff]" } ]
[ 81, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 1 ]
Mathlib/Analysis/NormedSpace/Extend.lean
LinearMap.norm_extendTo𝕜'_apply_sq
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_2\ninst✝⁴ : IsROrC 𝕜\nF : Type u_1\ninst✝³ : SeminormedAddCommGroup F\ninst✝² : NormedSpace 𝕜 F\ninst✝¹ : Module ℝ F\ninst✝ : IsScalarTower ℝ 𝕜 F\nfr : F →ₗ[ℝ] ℝ\nx : F\n⊢ ‖↑(extendTo𝕜' fr) x‖ ^ 2 = ↑re (↑(starRingEnd ((fun x => 𝕜) x)) (↑(extend...
[ 102, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Order/Hom/Lattice.lean
SupHom.dual_comp
[]
[ 1384, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1382, 1 ]
Mathlib/AlgebraicTopology/DoldKan/Projections.lean
AlgebraicTopology.DoldKan.map_P
[ { "state_after": "case zero\nC : Type u_4\ninst✝⁴ : Category C\ninst✝³ : Preadditive C\nX✝ : SimplicialObject C\nD : Type u_1\ninst✝² : Category D\ninst✝¹ : Preadditive D\nG : C ⥤ D\ninst✝ : Functor.Additive G\nX : SimplicialObject C\nn : ℕ\n⊢ G.map (HomologicalComplex.Hom.f (P Nat.zero) n) = HomologicalComplex...
[ 229, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 222, 1 ]
Mathlib/Data/List/Basic.lean
List.intercalate_splitOn
[ { "state_after": "ι : Type ?u.305889\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\np : α → Bool\nxs ys : List α\nls : List (List α)\nf : List α → List α\nx : α\ninst✝ : DecidableEq α\n⊢ join (intersperse [x] (splitOnP (fun x_1 => x_1 == x) xs)) = xs", "state_before": "ι : Type ?u.305889\n...
[ 2995, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2985, 1 ]
Mathlib/CategoryTheory/Limits/Types.lean
CategoryTheory.Limits.Types.FilteredColimit.isColimit_eq_iff
[ { "state_after": "J : Type v\ninst✝¹ : SmallCategory J\nF : J ⥤ TypeMax\ninst✝ : IsFilteredOrEmpty J\nt : Cocone F\nht : IsColimit t\ni j : J\nxi : F.obj i\nxj : F.obj j\nt' : Cocone F := colimitCocone F\n⊢ t.ι.app i xi = t.ι.app j xj ↔ ∃ k f g, F.map f xi = F.map g xj", "state_before": "J : Type v\ninst✝¹ ...
[ 487, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 480, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Submodule.mem_colon_singleton
[ { "state_after": "no goals", "state_before": "R : Type u\nM : Type v\nF : Type ?u.187576\nG : Type ?u.187579\ninst✝² : CommRing R\ninst✝¹ : AddCommGroup M\ninst✝ : Module R M\nN✝ N₁ N₂ P P₁ P₂ N : Submodule R M\nx : M\nr : R\n⊢ r ∈ colon N (span R {x}) ↔ ∀ (a : R), r • a • x ∈ N", "tactic": "simp [Submo...
[ 398, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 393, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.map.valid
[]
[ 1597, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1595, 1 ]
Mathlib/ModelTheory/Order.lean
FirstOrder.Language.Term.realize_le
[ { "state_after": "no goals", "state_before": "L : Language\nα : Type w\nM : Type w'\nn : ℕ\ninst✝³ : IsOrdered L\ninst✝² : Structure L M\ninst✝¹ : LE M\ninst✝ : OrderedStructure L M\nt₁ t₂ : Term L (α ⊕ Fin n)\nv : α → M\nxs : Fin n → M\n⊢ BoundedFormula.Realize (le t₁ t₂) v xs ↔ realize (Sum.elim v xs) t₁ ...
[ 218, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.natDegree_lt_natDegree
[ { "state_after": "case pos\nR : Type u\nS : Type v\na b c d : R\nn m : ℕ\ninst✝ : Semiring R\np✝ q✝ r p q : R[X]\nhp : p ≠ 0\nhpq : degree p < degree q\nhq : q = 0\n⊢ natDegree p < natDegree q\n\ncase neg\nR : Type u\nS : Type v\na b c d : R\nn m : ℕ\ninst✝ : Semiring R\np✝ q✝ r p q : R[X]\nhp : p ≠ 0\nhpq : de...
[ 245, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/Algebra/Category/MonCat/Basic.lean
CommMonCat.coe_of
[]
[ 253, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 252, 1 ]
Mathlib/Control/Bifunctor.lean
Bifunctor.snd_fst
[ { "state_after": "no goals", "state_before": "F : Type u₀ → Type u₁ → Type u₂\ninst✝¹ : Bifunctor F\ninst✝ : LawfulBifunctor F\nα₀ α₁ : Type u₀\nβ₀ β₁ : Type u₁\nf : α₀ → α₁\nf' : β₀ → β₁\nx : F α₀ β₀\n⊢ snd f' (fst f x) = bimap f f' x", "tactic": "simp [snd, bimap_bimap]" } ]
[ 105, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/Topology/Algebra/Module/Multilinear.lean
ContinuousMultilinearMap.map_sum_finset
[]
[ 383, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 381, 1 ]
Std/Data/Int/Lemmas.lean
Int.neg_neg
[]
[ 85, 18 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 82, 19 ]
Mathlib/Data/Polynomial/Derivative.lean
Polynomial.coeff_iterate_derivative_as_prod_range
[ { "state_after": "case zero\nR : Type u\nS : Type v\nT : Type w\nι : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Semiring R\np : R[X]\n⊢ ∀ (m : ℕ), coeff ((↑derivative^[Nat.zero]) p) m = (∏ i in range Nat.zero, (m + Nat.zero - i)) • coeff p (m + Nat.zero)\n\ncase succ\nR : Type u\nS : Type v\nT : Type w\nι : Ty...
[ 425, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 413, 1 ]
Mathlib/Data/List/Basic.lean
List.length_pmap
[ { "state_after": "no goals", "state_before": "ι : Type ?u.330264\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\np : α → Prop\nf : (a : α) → p a → β\nl : List α\nH : ∀ (a : α), a ∈ l → p a\n⊢ length (pmap f l H) = length l", "tactic": "induction l <;> [rfl; simp only [*, pmap, length]]"...
[ 3148, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3147, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.IsBigOWith.inv_rev
[ { "state_after": "α : Type u_1\nβ : Type ?u.533106\nE : Type ?u.533109\nF : Type ?u.533112\nG : Type ?u.533115\nE' : Type ?u.533118\nF' : Type ?u.533121\nG' : Type ?u.533124\nE'' : Type ?u.533127\nF'' : Type ?u.533130\nG'' : Type ?u.533133\nR : Type ?u.533136\nR' : Type ?u.533139\n𝕜 : Type u_2\n𝕜' : Type u_3\...
[ 1675, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1668, 1 ]
Mathlib/Init/Data/Bool/Lemmas.lean
Bool.eq_false_eq_not_eq_true
[ { "state_after": "no goals", "state_before": "b : Bool\n⊢ (¬b = true) = (b = false)", "tactic": "simp" } ]
[ 72, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Algebra/NeZero.lean
NeZero.of_pos
[]
[ 90, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.integrable_def
[]
[ 442, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 440, 1 ]
Mathlib/MeasureTheory/Measure/Haar/Basic.lean
MeasureTheory.Measure.haar.prehaar_self
[ { "state_after": "no goals", "state_before": "G : Type u_1\ninst✝² : Group G\ninst✝¹ : TopologicalSpace G\ninst✝ : TopologicalGroup G\nK₀ : PositiveCompacts G\nU : Set G\nhU : Set.Nonempty (interior U)\n⊢ 0 < ↑(index (↑K₀.toCompacts) U)", "tactic": "exact_mod_cast index_pos K₀ hU" } ]
[ 330, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]