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list
Mathlib/Analysis/Calculus/Deriv/Inv.lean
Differentiable.div
[]
[ 229, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 228, 1 ]
Mathlib/Topology/PathConnected.lean
Path.extend_extends
[]
[ 268, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 266, 1 ]
Mathlib/Tactic/PushNeg.lean
Mathlib.Tactic.PushNeg.not_gt_eq
[]
[ 32, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 32, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
mem_closure_one_iff_norm
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.463871\n𝕜 : Type ?u.463874\nα : Type ?u.463877\nι : Type ?u.463880\nκ : Type ?u.463883\nE : Type u_1\nF : Type ?u.463889\nG : Type ?u.463892\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na a₁ a₂ b b₁...
[ 1129, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1128, 1 ]
Mathlib/Order/Filter/Prod.lean
Filter.prod_map_left
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_3\nγ : Type u_2\nδ : Type ?u.28728\nι : Sort ?u.28731\ns : Set α\nt : Set β\nf✝ : Filter α\ng : Filter β\nf : α → β\nF : Filter α\nG : Filter γ\n⊢ map f F ×ˢ G = map (Prod.map f id) (F ×ˢ G)", "tactic": "rw [← prod_map_map_eq', map_i...
[ 357, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 355, 1 ]
Mathlib/Algebra/IsPrimePow.lean
isPrimePow_nat_iff
[ { "state_after": "no goals", "state_before": "R : Type ?u.81638\ninst✝ : CommMonoidWithZero R\nn✝ p : R\nk n : ℕ\n⊢ IsPrimePow n ↔ ∃ p k, Nat.Prime p ∧ 0 < k ∧ p ^ k = n", "tactic": "simp only [isPrimePow_def, Nat.prime_iff]" } ]
[ 80, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.eq_empty_of_isEmpty
[]
[ 639, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 638, 1 ]
Mathlib/Analysis/Analytic/Basic.lean
HasFPowerSeriesAt.eq_formalMultilinearSeries_of_eventually
[]
[ 1023, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1020, 1 ]
Mathlib/Combinatorics/SimpleGraph/Acyclic.lean
SimpleGraph.isTree_iff_existsUnique_path
[ { "state_after": "V : Type u\nG : SimpleGraph V\n⊢ (Connected G ∧ ∀ ⦃v w : V⦄ (p q : Path G v w), p = q) ↔ Nonempty V ∧ ∀ (v w : V), ∃! p, Walk.IsPath p", "state_before": "V : Type u\nG : SimpleGraph V\n⊢ IsTree G ↔ Nonempty V ∧ ∀ (v w : V), ∃! p, Walk.IsPath p", "tactic": "rw [IsTree_iff, isAcyclic_iff...
[ 152, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 132, 1 ]
Mathlib/LinearAlgebra/Matrix/Charpoly/LinearMap.lean
PiToModule.fromEnd_apply
[]
[ 62, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.toOpen_comp_comap
[]
[ 1218, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1215, 1 ]
Mathlib/Topology/UniformSpace/UniformConvergence.lean
TendstoUniformlyOnFilter.mono_right
[]
[ 198, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 196, 1 ]
Mathlib/Data/Fintype/Basic.lean
Fintype.finsetEquivSet_symm_apply
[ { "state_after": "α : Type u_1\nβ : Type ?u.136843\nγ : Type ?u.136846\ninst✝¹ : Fintype α\ns : Set α\ninst✝ : Fintype ↑s\n⊢ Set.toFinset s = Set.toFinset s", "state_before": "α : Type u_1\nβ : Type ?u.136843\nγ : Type ?u.136846\ninst✝¹ : Fintype α\ns : Set α\ninst✝ : Fintype ↑s\n⊢ ↑finsetEquivSet.symm s = ...
[ 1055, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1053, 1 ]
Mathlib/Logic/Unique.lean
Unique.default_eq
[]
[ 150, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 149, 1 ]
Mathlib/Combinatorics/SetFamily/Intersecting.lean
Set.Subsingleton.intersecting
[]
[ 99, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 11 ]
Mathlib/GroupTheory/Subgroup/Pointwise.lean
AddSubgroup.mem_inv_pointwise_smul_iff₀
[]
[ 541, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 539, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.range_finsuppTotal
[ { "state_after": "case h\nι : Type u_3\nM : Type u_1\ninst✝² : AddCommGroup M\nR : Type u_2\ninst✝¹ : CommRing R\ninst✝ : Module R M\nI : Ideal R\nv : ι → M\nhv : Submodule.span R (Set.range v) = ⊤\nx✝ : M\n⊢ x✝ ∈ LinearMap.range (finsuppTotal ι M I v) ↔ x✝ ∈ I • Submodule.span R (Set.range v)", "state_befo...
[ 1924, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1912, 1 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.subtypeRestr_source
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.115242\nδ : Type ?u.115245\ninst✝⁴ : TopologicalSpace α\ninst✝³ : TopologicalSpace β\ninst✝² : TopologicalSpace γ\ninst✝¹ : TopologicalSpace δ\ne : LocalHomeomorph α β\ns : Opens α\ninst✝ : Nonempty { x // x ∈ s }\n⊢ (subt...
[ 1379, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1378, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.inseparable_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.226694\ninst✝ : PseudoEMetricSpace α\nx y z : α\nε ε₁ ε₂ : ℝ≥0∞\ns t : Set α\n⊢ Inseparable x y ↔ edist x y = 0", "tactic": "simp [inseparable_iff_mem_closure, mem_closure_iff, edist_comm, forall_lt_iff_le']" } ]
[ 735, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 734, 1 ]
Mathlib/GroupTheory/Perm/Support.lean
Equiv.Perm.two_le_card_support_of_ne_one
[]
[ 605, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 604, 1 ]
Mathlib/Algebra/Lie/Basic.lean
LieHom.coe_zero
[]
[ 355, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 354, 1 ]
Mathlib/Data/Real/Hyperreal.lean
Hyperreal.Infinitesimal.eq_zero
[]
[ 688, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 688, 1 ]
Mathlib/Data/Option/Basic.lean
Option.map_bind
[ { "state_after": "no goals", "state_before": "α✝ : Type ?u.5024\nβ✝ : Type ?u.5027\nγ✝ : Type ?u.5030\nδ : Type ?u.5033\np : α✝ → Prop\nf✝ : (a : α✝) → p a → β✝\nx✝ : Option α✝\nα β γ : Type u_1\nf : β → γ\nx : Option α\ng : α → Option β\n⊢ Option.map f (x >>= g) = do\n let a ← x\n Option.map f (g a)"...
[ 150, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 148, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.add_le_of_forall_add_lt
[ { "state_after": "a b c : Ordinal\nhb : 0 < b\nh : ∀ (d : Ordinal), d < b → a + d < c\nH : a + (c - a) = c\n⊢ a + b ≤ c", "state_before": "a b c : Ordinal\nhb : 0 < b\nh : ∀ (d : Ordinal), d < b → a + d < c\n⊢ a + b ≤ c", "tactic": "have H : a + (c - a) = c :=\n Ordinal.add_sub_cancel_of_le\n (by\n ...
[ 2505, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2495, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.append_copy_copy
[ { "state_after": "V : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\nu' v' w' : V\np : Walk G u' v'\nq : Walk G v' w'\n⊢ append (Walk.copy p (_ : u' = u') (_ : v' = v')) (Walk.copy q (_ : v' = v') (_ : w' = w')) =\n Walk.copy (append p q) (_ : u' = u') (_ : ...
[ 281, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 277, 1 ]
Mathlib/Init/Algebra/Order.lean
le_imp_le_of_lt_imp_lt
[]
[ 418, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 416, 1 ]
Mathlib/Topology/Algebra/Field.lean
IsPreconnected.eq_or_eq_neg_of_sq_eq
[ { "state_after": "K : Type ?u.21895\ninst✝⁷ : DivisionRing K\ninst✝⁶ : TopologicalSpace K\nα : Type u_2\n𝕜 : Type u_1\nf g : α → 𝕜\nS : Set α\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : TopologicalSpace 𝕜\ninst✝³ : T1Space 𝕜\ninst✝² : Field 𝕜\ninst✝¹ : HasContinuousInv₀ 𝕜\ninst✝ : ContinuousMul 𝕜\nhS : IsPrec...
[ 151, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 144, 1 ]
Mathlib/Data/Nat/Factorization/Basic.lean
Nat.prod_pow_prime_padicValNat
[ { "state_after": "n : ℕ\nhn : n ≠ 0\nm : ℕ\npr : n < m\n⊢ ∏ p in Finset.filter Prime (Finset.range m), p ^ padicValNat p n = Finsupp.prod (factorization n) fun x x_1 => x ^ x_1", "state_before": "n : ℕ\nhn : n ≠ 0\nm : ℕ\npr : n < m\n⊢ ∏ p in Finset.filter Prime (Finset.range m), p ^ padicValNat p n = n", ...
[ 939, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 922, 1 ]
Mathlib/Combinatorics/Hindman.lean
Hindman.FP.finset_prod
[ { "state_after": "M : Type u_1\ninst✝ : CommMonoid M\na : Stream' M\ns : Finset ℕ\nhs : Finset.Nonempty s\n⊢ (Finset.prod s fun i => Stream'.nth a i) ∈ FP (Stream'.drop (Finset.min' s hs) a)", "state_before": "M : Type u_1\ninst✝ : CommMonoid M\na : Stream' M\ns : Finset ℕ\nhs : Finset.Nonempty s\n⊢ (Finset...
[ 302, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 287, 1 ]
Mathlib/Data/Analysis/Topology.lean
Ctop.Realizer.is_basis
[ { "state_after": "α : Type u_1\nβ : Type ?u.7918\nσ : Type ?u.7921\nτ : Type ?u.7924\nT : TopologicalSpace α\nF : Realizer α\nthis : TopologicalSpace.IsTopologicalBasis (range F.F.f)\n⊢ TopologicalSpace.IsTopologicalBasis (range F.F.f)", "state_before": "α : Type u_1\nβ : Type ?u.7918\nσ : Type ?u.7921\nτ :...
[ 132, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 11 ]
Mathlib/Data/Nat/Pow.lean
Nat.one_lt_two_pow
[ { "state_after": "no goals", "state_before": "n : ℕ\nh₀ : 0 < n\n⊢ 1 < 2", "tactic": "decide" } ]
[ 97, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/CategoryTheory/Limits/HasLimits.lean
CategoryTheory.Limits.hasLimitOfIso
[ { "state_after": "J : Type u₁\ninst✝³ : Category J\nK : Type u₂\ninst✝² : Category K\nC : Type u\ninst✝¹ : Category C\nF✝ F G : J ⥤ C\ninst✝ : HasLimit F\nα : F ≅ G\ns : Cone G\nj : J\n⊢ ((Cones.postcompose α.inv).obj s).π.app j ≫ α.hom.app j = s.π.app j", "state_before": "J : Type u₁\ninst✝³ : Category J\n...
[ 330, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 317, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.RightInverse.leftInverse_of_surjective
[]
[ 381, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 379, 1 ]
Mathlib/RingTheory/SimpleModule.lean
isSimpleModule_iff_isAtom
[ { "state_after": "R : Type u_1\ninst✝⁴ : Ring R\nM : Type u_2\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\nm : Submodule R M\nN : Type ?u.14646\ninst✝¹ : AddCommGroup N\ninst✝ : Module R N\n⊢ IsSimpleModule R { x // x ∈ m } ↔ IsSimpleOrder ↑(Set.Iic m)", "state_before": "R : Type u_1\ninst✝⁴ : Ring R\nM :...
[ 74, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 71, 1 ]
Mathlib/Order/Filter/Germ.lean
Filter.Germ.coe_pow
[]
[ 407, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 406, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.sup_const_le
[]
[ 118, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 117, 1 ]
Mathlib/Topology/Algebra/Order/LiminfLimsup.lean
Filter.Tendsto.isBoundedUnder_le_atBot
[]
[ 74, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/LinearAlgebra/FiniteDimensional.lean
finiteDimensional_of_rank_eq_nat
[ { "state_after": "K : Type u\nV : Type v\ninst✝² : DivisionRing K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nn : ℕ\nh : Module.rank K V = ↑n\n⊢ ↑n < ℵ₀", "state_before": "K : Type u\nV : Type v\ninst✝² : DivisionRing K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nn : ℕ\nh : Module.rank K V = ↑n\n⊢ Finit...
[ 640, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 637, 1 ]
Mathlib/Data/Polynomial/RingDivision.lean
Polynomial.ne_zero_of_mem_rootSet
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nT : Type w\na✝ b : R\nn : ℕ\ninst✝⁵ : CommRing R\ninst✝⁴ : IsDomain R\np✝ q : R[X]\ninst✝³ : CommRing T\np : T[X]\ninst✝² : CommRing S\ninst✝¹ : IsDomain S\ninst✝ : Algebra T S\na : S\nh : a ∈ rootSet p S\nhf : p = 0\n⊢ False", "tacti...
[ 962, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 961, 1 ]
Mathlib/CategoryTheory/Functor/EpiMono.lean
CategoryTheory.Functor.reflectsEpimorphisms.iso_iff
[]
[ 175, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 173, 1 ]
Mathlib/Data/Quot.lean
surjective_quotient_mk
[]
[ 349, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 347, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.smul_apply
[]
[ 838, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 836, 1 ]
Mathlib/LinearAlgebra/Matrix/Transvection.lean
Matrix.Pivot.listTransvecCol_mul_last_row
[ { "state_after": "no goals", "state_before": "n : Type ?u.155183\np : Type ?u.155186\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\ni : Fin r ⊕ Unit\n⊢ (List.prod (listTransvecCol M) ⬝ M)...
[ 375, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 373, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.measure_eq_trim
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.10446\nγ : Type ?u.10449\nδ : Type ?u.10452\nι : Type ?u.10455\ninst✝ : MeasurableSpace α\nμ μ₁ μ₂ : Measure α\ns✝ s₁ s₂ t s : Set α\n⊢ ↑↑μ s = ↑(OuterMeasure.trim ↑μ) s", "tactic": "rw [μ.trimmed]" } ]
[ 155, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Mathlib/GroupTheory/SemidirectProduct.lean
SemidirectProduct.right_inl
[]
[ 125, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.inf'_congr
[]
[ 977, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 975, 1 ]
Mathlib/Data/Sym/Sym2.lean
Sym2.mem_iff_mem
[]
[ 317, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/LinearAlgebra/LinearPMap.lean
LinearPMap.mkSpanSingleton'_apply
[ { "state_after": "R : Type u_2\ninst✝⁶ : Ring R\nE : Type u_1\ninst✝⁵ : AddCommGroup E\ninst✝⁴ : Module R E\nF : Type u_3\ninst✝³ : AddCommGroup F\ninst✝² : Module R F\nG : Type ?u.69603\ninst✝¹ : AddCommGroup G\ninst✝ : Module R G\nx : E\ny : F\nH : ∀ (c : R), c • x = 0 → c • y = 0\nc : R\nh : c • x ∈ (mkSpanS...
[ 163, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 157, 1 ]
Mathlib/CategoryTheory/Filtered.lean
CategoryTheory.IsFiltered.bowtie
[ { "state_after": "case intro.intro.intro\nC : Type u\ninst✝¹ : Category C\ninst✝ : IsFilteredOrEmpty C\nj₁ j₂ k₁ k₂ : C\nf₁ : j₁ ⟶ k₁\ng₁ : j₁ ⟶ k₂\nf₂ : j₂ ⟶ k₁\ng₂ : j₂ ⟶ k₂\nt : C\nk₁t : k₁ ⟶ t\nk₂t : k₂ ⟶ t\nht : f₁ ≫ k₁t = g₁ ≫ k₂t\n⊢ ∃ s α β, f₁ ≫ α = g₁ ≫ β ∧ f₂ ≫ α = g₂ ≫ β", "state_before": "C : Ty...
[ 432, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 427, 1 ]
Mathlib/Data/Set/Prod.lean
Set.prod_sub_preimage_iff
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_3\nγ : Type u_1\nδ : Type ?u.80055\ns s₁ s₂ : Set α\nt t₁ t₂ : Set β\na : α\nb : β\nW : Set γ\nf : α × β → γ\n⊢ s ×ˢ t ⊆ f ⁻¹' W ↔ ∀ (a : α) (b : β), a ∈ s → b ∈ t → f (a, b) ∈ W", "tactic": "simp [subset_def]" } ]
[ 329, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/Order/Lattice.lean
Monotone.map_inf
[]
[ 1127, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1125, 1 ]
Mathlib/Data/Finsupp/Defs.lean
Finsupp.support_erase
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.162373\nγ : Type ?u.162376\nι : Type ?u.162379\nM : Type u_2\nM' : Type ?u.162385\nN : Type ?u.162388\nP : Type ?u.162391\nG : Type ?u.162394\nH : Type ?u.162397\nR : Type ?u.162400\nS : Type ?u.162403\ninst✝¹ : Zero M\ninst✝ : Decidabl...
[ 639, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 635, 1 ]
Mathlib/Data/Polynomial/FieldDivision.lean
Polynomial.normalize_monic
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Field R\np q : R[X]\nh : Monic p\n⊢ ↑normalize p = p", "tactic": "simp [h]" } ]
[ 461, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 461, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.monotone_approx
[]
[ 846, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 845, 1 ]
Mathlib/Data/Multiset/Bind.lean
Multiset.card_join
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.5793\nγ : Type ?u.5796\nδ : Type ?u.5799\nS : Multiset (Multiset α)\n⊢ ↑card (join 0) = sum (map (↑card) 0)", "tactic": "simp" }, { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.5793\nγ : Type ?u....
[ 77, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 76, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.integral_map
[ { "state_after": "case e_μ\nα : Type u_2\nE : Type u_3\nF : Type ?u.1382470\n𝕜 : Type ?u.1382473\ninst✝¹¹ : NormedAddCommGroup E\ninst✝¹⁰ : NormedSpace ℝ E\ninst✝⁹ : CompleteSpace E\ninst✝⁸ : NontriviallyNormedField 𝕜\ninst✝⁷ : NormedSpace 𝕜 E\ninst✝⁶ : SMulCommClass ℝ 𝕜 E\ninst✝⁵ : NormedAddCommGroup F\nin...
[ 1549, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1539, 1 ]
Mathlib/Tactic/NormNum/Basic.lean
Mathlib.Meta.NormNum.isRat_le_false
[]
[ 753, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 751, 1 ]
Mathlib/Data/Set/Image.lean
Function.Injective.preimage_surjective
[ { "state_after": "ι : Sort ?u.104047\nα : Type u_1\nβ : Type u_2\nf : α → β\nhf : Injective f\ns : Set α\n⊢ ∃ a, f ⁻¹' a = s", "state_before": "ι : Sort ?u.104047\nα : Type u_1\nβ : Type u_2\nf : α → β\nhf : Injective f\n⊢ Surjective (preimage f)", "tactic": "intro s" }, { "state_after": "ι : So...
[ 1293, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1290, 1 ]
Mathlib/Data/ZMod/Basic.lean
ZMod.valMinAbs_neg_of_ne_half
[ { "state_after": "case inl\nn : ℕ\na : ZMod n\nha : 2 * val a ≠ n\nh : n = 0\n⊢ valMinAbs (-a) = -valMinAbs a\n\ncase inr\nn : ℕ\na : ZMod n\nha : 2 * val a ≠ n\nh : NeZero n\n⊢ valMinAbs (-a) = -valMinAbs a", "state_before": "n : ℕ\na : ZMod n\nha : 2 * val a ≠ n\n⊢ valMinAbs (-a) = -valMinAbs a", "tac...
[ 1025, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1016, 1 ]
Mathlib/Data/Pi/Algebra.lean
Pi.mulSingle_eq_same
[]
[ 242, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 241, 1 ]
Mathlib/Topology/LocallyConstant/Basic.lean
IsLocallyConstant.of_constant_on_preconnected_clopens
[]
[ 236, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Analysis/SpecialFunctions/Log/Base.lean
Real.logb_neg_iff
[ { "state_after": "b x y : ℝ\nhb : 1 < b\nh : 0 < x\n⊢ logb b x < logb ?m.12315 1 ↔ x < 1\n\nb x y : ℝ\nhb : 1 < b\nh : 0 < x\n⊢ ℝ", "state_before": "b x y : ℝ\nhb : 1 < b\nh : 0 < x\n⊢ logb b x < 0 ↔ x < 1", "tactic": "rw [← logb_one]" }, { "state_after": "no goals", "state_before": "b x y :...
[ 191, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.IsBigO.prod_rightl
[]
[ 958, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 956, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.Subtype.volume_univ
[ { "state_after": "α : Type u_1\nβ : Type ?u.270811\nγ : Type ?u.270814\nδ : Type ?u.270817\nι : Type ?u.270820\nR : Type ?u.270823\nR' : Type ?u.270826\ns : Set α\ninst✝ : MeasureSpace α\np : α → Prop\nhs : NullMeasurableSet s\n⊢ ↑↑volume (Subtype.val '' univ) = ↑↑volume s\n\nα : Type u_1\nβ : Type ?u.270811\nγ...
[ 1457, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1452, 1 ]
Mathlib/Data/Set/Intervals/Monoid.lean
Set.image_add_const_Ioc
[]
[ 102, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 101, 1 ]
Mathlib/Combinatorics/SetFamily/Compression/Down.lean
Finset.memberSubfamily_memberSubfamily
[ { "state_after": "case a\nα : Type u_1\ninst✝ : DecidableEq α\n𝒜 ℬ : Finset (Finset α)\ns : Finset α\na : α\na✝ : Finset α\n⊢ a✝ ∈ memberSubfamily a (memberSubfamily a 𝒜) ↔ a✝ ∈ ∅", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\n𝒜 ℬ : Finset (Finset α)\ns : Finset α\na : α\n⊢ memberSubfamily a (me...
[ 119, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 117, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.restrict_congr_mono
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.307608\nγ : Type ?u.307611\nδ : Type ?u.307614\nι : Type ?u.307617\nR : Type ?u.307620\nR' : Type ?u.307623\nm0 : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set ...
[ 1808, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1806, 1 ]
Mathlib/Data/Int/Parity.lean
Int.even_add_one
[ { "state_after": "no goals", "state_before": "m n : ℤ\n⊢ Even (n + 1) ↔ ¬Even n", "tactic": "simp [even_add]" } ]
[ 136, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 135, 1 ]
Mathlib/Topology/UniformSpace/Separation.lean
UniformSpace.SeparationQuotient.uniformContinuous_map
[]
[ 401, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 400, 1 ]
Std/Data/RBMap/Lemmas.lean
Std.RBNode.foldlM_eq_foldlM_toList
[ { "state_after": "no goals", "state_before": "m : Type u_1 → Type u_2\nα : Type u_3\na✝ : Type u_1\nf : a✝ → α → m a✝\ninit : a✝\ninst✝¹ : Monad m\ninst✝ : LawfulMonad m\nt : RBNode α\n⊢ foldlM f init t = List.foldlM f init (toList t)", "tactic": "induction t generalizing init <;> simp [*]" } ]
[ 354, 45 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 352, 1 ]
Mathlib/Topology/MetricSpace/Baire.lean
dense_sUnion_interior_of_closed
[]
[ 342, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
div_le_div_iff_right
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝² : Group α\ninst✝¹ : LE α\ninst✝ : CovariantClass α α (swap fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1\na b c✝ d c : α\n⊢ a / c ≤ b / c ↔ a ≤ b", "tactic": "simpa only [div_eq_mul_inv] using mul_le_mul_iff_right _" } ]
[ 716, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 715, 1 ]
Mathlib/Data/ZMod/Basic.lean
ZMod.cast_add
[ { "state_after": "case zero\nR : Type u_1\ninst✝¹ : Ring R\nm : ℕ\ninst✝ : CharP R m\nh : m ∣ Nat.zero\na b : ZMod Nat.zero\n⊢ ↑(a + b) = ↑a + ↑b\n\ncase succ\nR : Type u_1\ninst✝¹ : Ring R\nm : ℕ\ninst✝ : CharP R m\nn✝ : ℕ\nh : m ∣ Nat.succ n✝\na b : ZMod (Nat.succ n✝)\n⊢ ↑(a + b) = ↑a + ↑b", "state_before...
[ 308, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]
Mathlib/Algebra/MonoidAlgebra/Basic.lean
AddMonoidAlgebra.induction_on
[ { "state_after": "case refine'_1\nk : Type u₁\nG : Type u₂\nR : Type ?u.2138330\ninst✝¹ : Semiring k\ninst✝ : AddMonoid G\np : AddMonoidAlgebra k G → Prop\nf : AddMonoidAlgebra k G\nhM : ∀ (g : G), p (↑(of k G) (↑Multiplicative.ofAdd g))\nhadd : ∀ (f g : AddMonoidAlgebra k G), p f → p g → p (f + g)\nhsmul : ∀ (...
[ 1679, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1671, 1 ]
Mathlib/Combinatorics/SetFamily/Compression/UV.lean
UV.compress_disjoint
[]
[ 164, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/Topology/Algebra/Order/IntermediateValue.lean
intermediate_value_Ioc
[]
[ 570, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 565, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.natDegree_X
[]
[ 523, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 522, 1 ]
Mathlib/Data/Matrix/Basic.lean
IsLeftRegular.matrix
[]
[ 390, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 388, 1 ]
Mathlib/Order/Atoms.lean
OrderIso.isSimpleOrder
[]
[ 823, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 821, 1 ]
Mathlib/Combinatorics/SimpleGraph/Density.lean
SimpleGraph.edgeDensity_add_edgeDensity_compl
[ { "state_after": "𝕜 : Type ?u.115961\nι : Type ?u.115964\nκ : Type ?u.115967\nα : Type u_1\nβ : Type ?u.115973\nG : SimpleGraph α\ninst✝¹ : DecidableRel G.Adj\ns s₁ s₂ t t₁ t₂ : Finset α\na b : α\ninst✝ : DecidableEq α\nhs : Finset.Nonempty s\nht : Finset.Nonempty t\nh : Disjoint s t\n⊢ ↑(card (interedges G s ...
[ 393, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 388, 1 ]
Mathlib/Topology/Bases.lean
TopologicalSpace.isOpen_iUnion_countable
[ { "state_after": "α : Type u\nt : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nι : Type u_1\ns : ι → Set α\nH : ∀ (i : ι), IsOpen (s i)\nB : Set (Set α) := {b | b ∈ countableBasis α ∧ ∃ i, b ⊆ s i}\n⊢ ∃ T, Set.Countable T ∧ (⋃ (i : ι) (_ : i ∈ T), s i) = ⋃ (i : ι), s i", "state_before": "α : Type ...
[ 731, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 723, 1 ]
Mathlib/Topology/Semicontinuous.lean
upperSemicontinuousWithinAt_const
[]
[ 716, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 715, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.cos_three_mul
[ { "state_after": "x y : ℝ\n⊢ ↑(cos (3 * x)) = ↑(4 * cos x ^ 3 - 3 * cos x)", "state_before": "x y : ℝ\n⊢ cos (3 * x) = 4 * cos x ^ 3 - 3 * cos x", "tactic": "rw [← ofReal_inj]" }, { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ ↑(cos (3 * x)) = ↑(4 * cos x ^ 3 - 3 * cos x)", "ta...
[ 1333, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1332, 8 ]
Mathlib/Algebra/Star/Module.lean
IsSelfAdjoint.selfAdjointPart_apply
[]
[ 147, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 1 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
Metric.ball_infDist_subset_compl
[]
[ 542, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 541, 1 ]
Mathlib/Algebra/Module/Submodule/Pointwise.lean
Submodule.closure_neg
[ { "state_after": "case a\nα : Type ?u.12121\nR : Type u_2\nM : Type u_1\ninst✝² : Semiring R\ninst✝¹ : AddCommGroup M\ninst✝ : Module R M\ns : Set M\n⊢ span R (-s) ≤ -span R s\n\ncase a\nα : Type ?u.12121\nR : Type u_2\nM : Type u_1\ninst✝² : Semiring R\ninst✝¹ : AddCommGroup M\ninst✝ : Module R M\ns : Set M\n⊢...
[ 113, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/GroupTheory/Perm/Support.lean
Equiv.Perm.card_support_ne_one
[ { "state_after": "case pos\nα : Type u_1\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf✝ g f : Perm α\nh : f = 1\n⊢ card (support f) ≠ 1\n\ncase neg\nα : Type u_1\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf✝ g f : Perm α\nh : ¬f = 1\n⊢ card (support f) ≠ 1", "state_before": "α : Type u_1\ninst✝¹ : Decidabl...
[ 595, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 592, 1 ]
Mathlib/Data/List/Basic.lean
List.foldrRecOn_cons
[]
[ 2585, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2580, 1 ]
Mathlib/Analysis/Calculus/Series.lean
tendstoUniformlyOn_tsum_nat
[]
[ 62, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 58, 1 ]
Mathlib/LinearAlgebra/Matrix/Hermitian.lean
Matrix.isHermitian_diagonal
[]
[ 148, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/RingTheory/Ideal/Quotient.lean
Ideal.Quotient.exists_inv
[ { "state_after": "case mk\nR : Type u\ninst✝ : CommRing R\nI✝ : Ideal R\na✝¹ b : R\nS : Type v\nx y : R\nI : Ideal R\nhI : IsMaximal I\na✝ : R ⧸ I\na : R\nh : Quot.mk Setoid.r a ≠ 0\n⊢ ∃ b, Quot.mk Setoid.r a * b = 1", "state_before": "R : Type u\ninst✝ : CommRing R\nI✝ : Ideal R\na b : R\nS : Type v\nx y :...
[ 210, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Basic.lean
csInf_lt_of_lt
[]
[ 639, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 638, 1 ]
Mathlib/LinearAlgebra/TensorProduct.lean
LinearMap.rTensor_comp_apply
[ { "state_after": "R : Type u_1\ninst✝¹⁴ : CommSemiring R\nR' : Type ?u.1251098\ninst✝¹³ : Monoid R'\nR'' : Type ?u.1251104\ninst✝¹² : Semiring R''\nM : Type u_3\nN : Type u_2\nP : Type u_5\nQ : Type u_4\nS : Type ?u.1251122\ninst✝¹¹ : AddCommMonoid M\ninst✝¹⁰ : AddCommMonoid N\ninst✝⁹ : AddCommMonoid P\ninst✝⁸ ...
[ 1081, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1080, 1 ]
Mathlib/RingTheory/AlgebraicIndependent.lean
AlgebraicIndependent.image_of_comp
[ { "state_after": "ι✝ : Type ?u.747618\nι'✝ : Type ?u.747621\nR : Type u_3\nK : Type ?u.747627\nA : Type u_4\nA' : Type ?u.747633\nA'' : Type ?u.747636\nV : Type u\nV' : Type ?u.747641\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...
[ 319, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/Algebra/Order/Monoid/Lemmas.lean
mul_le_mul_right'
[]
[ 72, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/Data/PFun.lean
PFun.toSubtype_apply
[]
[ 549, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 547, 1 ]
Mathlib/Combinatorics/Composition.lean
Composition.embedding_comp_inv
[ { "state_after": "n : ℕ\nc : Composition n\nj : Fin n\n⊢ ↑(↑(embedding c (index c j)) (invEmbedding c j)) = ↑j", "state_before": "n : ℕ\nc : Composition n\nj : Fin n\n⊢ ↑(embedding c (index c j)) (invEmbedding c j) = j", "tactic": "rw [Fin.ext_iff]" }, { "state_after": "no goals", "state_bef...
[ 375, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 373, 1 ]
Mathlib/Topology/MetricSpace/Infsep.lean
Set.einfsep_pair_le_left
[]
[ 159, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.next_reverse_eq_prev
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\ns : Cycle α\nhs : Nodup s\nx : α\nhx : x ∈ s\n⊢ next (reverse s) (_ : Nodup (reverse s)) x (_ : x ∈ reverse s) = prev s hs x hx", "tactic": "simp [← prev_reverse_eq_next]" } ]
[ 861, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 859, 1 ]
Mathlib/Data/Finsupp/ToDfinsupp.lean
sigmaFinsuppEquivDfinsupp_single
[ { "state_after": "case mk\nι : Type u_1\nR : Type ?u.70785\nM : Type ?u.70788\nη : ι → Type u_3\nN : Type u_2\ninst✝² : Semiring R\ninst✝¹ : DecidableEq ι\ninst✝ : Zero N\nn : N\ni : ι\na : η i\n⊢ ↑sigmaFinsuppEquivDfinsupp (single { fst := i, snd := a } n) =\n Dfinsupp.single { fst := i, snd := a }.fst (sin...
[ 336, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 326, 1 ]