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start
list
Mathlib/CategoryTheory/EqToHom.lean
CategoryTheory.congrArg_cast_hom_left
[ { "state_after": "case refl\nC : Type u₁\ninst✝ : Category C\nX Z : C\nq : X ⟶ Z\n⊢ cast (_ : (X ⟶ Z) = (X ⟶ Z)) q = eqToHom (_ : X = X) ≫ q", "state_before": "C : Type u₁\ninst✝ : Category C\nX Y Z : C\np : X = Y\nq : Y ⟶ Z\n⊢ cast (_ : (Y ⟶ Z) = (X ⟶ Z)) q = eqToHom p ≫ q", "tactic": "cases p" }, ...
[ 82, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.IsPath.of_map
[ { "state_after": "no goals", "state_before": "V : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\nf✝ : G →g G'\nf' : G' →g G''\nu v u' v' : V\np : Walk G u v\nf : G →g G'\nhp : IsPath (Walk.map f p)\n⊢ IsPath p", "tactic": "induction p with\n| nil => sim...
[ 1550, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1541, 11 ]
Mathlib/Data/Sym/Sym2.lean
Sym2.map_id
[ { "state_after": "case h.mk.mk\nα : Type u_1\nβ : Type ?u.16100\nγ : Type ?u.16103\nx✝ : Sym2 α\nx y : α\n⊢ map id (Quot.mk Setoid.r (x, y)) = id (Quot.mk Setoid.r (x, y))", "state_before": "α : Type u_1\nβ : Type ?u.16100\nγ : Type ?u.16103\n⊢ map id = id", "tactic": "ext ⟨⟨x, y⟩⟩" }, { "state_...
[ 252, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 250, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.not_limZero_of_not_congr_zero
[ { "state_after": "α : Type u_1\nβ : Type u_2\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nf : CauSeq β abv\nhf : ¬f ≈ 0\nh : LimZero f\n⊢ False", "state_before": "α : Type u_1\nβ : Type u_2\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : Is...
[ 525, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 522, 1 ]
Mathlib/Order/SuccPred/Basic.lean
Order.le_succ_bot_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : PartialOrder α\ninst✝¹ : SuccOrder α\na b : α\ninst✝ : OrderBot α\n⊢ a ≤ succ ⊥ ↔ a = ⊥ ∨ a = succ ⊥", "tactic": "rw [le_succ_iff_eq_or_le, le_bot_iff, or_comm]" } ]
[ 547, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 546, 1 ]
Mathlib/Algebra/Lie/Basic.lean
LieModuleHom.zsmul_apply
[]
[ 927, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 926, 1 ]
Mathlib/Dynamics/Ergodic/Conservative.lean
MeasureTheory.Conservative.iterate
[ { "state_after": "case zero\nι : Type ?u.77532\nα : Type u_1\ninst✝ : MeasurableSpace α\nf : α → α\ns : Set α\nμ : Measure α\nhf : Conservative f μ\n⊢ Conservative (f^[Nat.zero]) μ\n\ncase succ\nι : Type ?u.77532\nα : Type u_1\ninst✝ : MeasurableSpace α\nf : α → α\ns : Set α\nμ : Measure α\nhf : Conservative f ...
[ 207, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 11 ]
Mathlib/CategoryTheory/Subobject/Lattice.lean
CategoryTheory.Subobject.factors_right_of_inf_factors
[]
[ 415, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 413, 1 ]
Mathlib/Data/Nat/SuccPred.lean
Nat.succ_eq_succ
[]
[ 50, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/LinearAlgebra/Alternating.lean
AlternatingMap.curryLeft_zero
[]
[ 1260, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1259, 1 ]
Std/Data/String/Lemmas.lean
Substring.Valid.extract
[ { "state_after": "b e : Pos\nx✝ : Substring\nh₁✝ : Valid x✝\nh₂ : Valid { str := toString x✝, startPos := b, stopPos := e }\nl m r : List Char\nh₁ : ValidFor l m r x✝\n⊢ Valid (Substring.extract x✝ b e)", "state_before": "b e : Pos\nx✝ : Substring\nh₁ : Valid x✝\nh₂ : Valid { str := toString x✝, startPos :=...
[ 1042, 19 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1036, 1 ]
Mathlib/Topology/Homeomorph.lean
Homeomorph.symm_apply_apply
[]
[ 156, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Std/Data/Nat/Gcd.lean
Nat.gcd_add_mul_self
[ { "state_after": "no goals", "state_before": "m n k : Nat\n⊢ gcd m (n + k * m) = gcd m n", "tactic": "simp [gcd_rec m (n + k * m), gcd_rec m n]" } ]
[ 174, 44 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 173, 1 ]
Std/Data/HashMap/WF.lean
Std.HashMap.Imp.WF.filterMap
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nf : α → β → Option γ\ninst✝¹ : BEq α\ninst✝ : Hashable α\nm : Imp α β\nH : WF m\ng₁ : AssocList α β → List (α × γ) :=\n fun l => List.filterMap (fun x => Option.map (fun x_1 => (x.fst, x_1)) (f x.fst x.snd)) (AssocList.toList l)\nH1 :\n ∀ (l : AssocL...
[ 347, 43 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 308, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Complex.sin_eq_zero_iff_cos_eq
[ { "state_after": "z : ℂ\n⊢ sin z = 0 ↔ 0 = sin z * sin z", "state_before": "z : ℂ\n⊢ sin z = 0 ↔ cos z = 1 ∨ cos z = -1", "tactic": "rw [← mul_self_eq_one_iff, ← sin_sq_add_cos_sq, sq, sq, ← sub_eq_iff_eq_add, sub_self]" }, { "state_after": "no goals", "state_before": "z : ℂ\n⊢ sin z = 0 ↔ 0...
[ 1104, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1102, 1 ]
Mathlib/Data/Set/Intervals/Monotone.lean
MonotoneOn.Iio
[]
[ 93, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 11 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
gcd_comm
[]
[ 337, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 334, 1 ]
Mathlib/Algebra/Ring/Idempotents.lean
IsIdempotentElem.pow_succ_eq
[ { "state_after": "no goals", "state_before": "M : Type ?u.8183\nN : Type u_1\nS : Type ?u.8189\nM₀ : Type ?u.8192\nM₁ : Type ?u.8195\nR : Type ?u.8198\nG : Type ?u.8201\nG₀ : Type ?u.8204\ninst✝⁷ : Mul M\ninst✝⁶ : Monoid N\ninst✝⁵ : Semigroup S\ninst✝⁴ : MulZeroClass M₀\ninst✝³ : MulOneClass M₁\ninst✝² : No...
[ 85, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 84, 1 ]
Mathlib/RingTheory/FiniteType.lean
AddMonoidAlgebra.mem_closure_of_mem_span_closure
[ { "state_after": "R : Type u_1\nM : Type u_2\ninst✝² : CommRing R\ninst✝¹ : AddCommMonoid M\ninst✝ : Nontrivial R\nm : M\nS : Set M\nh : of' R M m ∈ span R ↑(Submonoid.closure (of' R M '' S))\n⊢ ↑Multiplicative.ofAdd m ∈ Submonoid.closure (↑Multiplicative.toAdd ⁻¹' S)", "state_before": "R : Type u_1\nM : Ty...
[ 413, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 404, 1 ]
Mathlib/LinearAlgebra/UnitaryGroup.lean
Matrix.UnitaryGroup.toLin'_mul
[]
[ 142, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 141, 1 ]
Mathlib/Order/BooleanAlgebra.lean
compl_surjective
[]
[ 654, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 653, 1 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.ne_zero_of_c_ne_zero
[]
[ 195, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 194, 1 ]
Mathlib/Data/List/Range.lean
List.unzip_enumFrom_eq_prod
[ { "state_after": "no goals", "state_before": "α : Type u\nl : List α\nn : ℕ\n⊢ unzip (enumFrom n l) = (range' n (length l), l)", "tactic": "simp only [enumFrom_eq_zip_range', unzip_zip, length_range']" } ]
[ 197, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 195, 1 ]
Mathlib/Data/Finset/Sups.lean
Finset.empty_infs
[]
[ 310, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 309, 1 ]
Mathlib/ModelTheory/Semantics.lean
FirstOrder.Language.BoundedFormula.realize_subst
[ { "state_after": "L : Language\nL' : Language\nM : Type w\nN : Type ?u.124912\nP : Type ?u.124915\ninst✝² : Structure L M\ninst✝¹ : Structure L N\ninst✝ : Structure L P\nα : Type u'\nβ : Type v'\nn✝ l : ℕ\nφ✝ ψ : BoundedFormula L α l\nθ : BoundedFormula L α (Nat.succ l)\nv✝ : α → M\nxs✝ : Fin l → M\nφ : Bounded...
[ 462, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 453, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.bijective_iff_bijective_of_iUnion_eq_univ
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.186792\nι : Sort ?u.186795\nι' : Sort ?u.186798\nι₂ : Sort ?u.186801\nκ : ι → Sort ?u.186806\nκ₁ : ι → Sort ?u.186811\nκ₂ : ι → Sort ?u.186816\nκ' : ι' → Sort ?u.186821\ns : Set β\nf : α → β\nU : ι → Set β\nhU : iUnion U = univ\n⊢ ((∀ (i : ι), Injective ...
[ 1521, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1517, 1 ]
Mathlib/CategoryTheory/Abelian/Pseudoelements.lean
CategoryTheory.Abelian.app_hom
[]
[ 103, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Data/Nat/SuccPred.lean
Nat.pred_iterate
[ { "state_after": "a n : ℕ\n⊢ (pred ∘ pred^[n]) a = pred (a - n)", "state_before": "a n : ℕ\n⊢ (pred^[n + 1]) a = a - (n + 1)", "tactic": "rw [Function.iterate_succ', sub_succ]" }, { "state_after": "no goals", "state_before": "a n : ℕ\n⊢ (pred ∘ pred^[n]) a = pred (a - n)", "tactic": "exa...
[ 69, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 65, 1 ]
Mathlib/Logic/Basic.lean
ite_eq_iff'
[]
[ 1143, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1143, 1 ]
Mathlib/FieldTheory/PerfectClosure.lean
PerfectClosure.mk_mul_mk
[]
[ 222, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 219, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
lcm_eq_of_associated_left
[]
[ 867, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 864, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.invFun_surjective
[]
[ 463, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 462, 1 ]
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
Algebra.mem_sup_left
[]
[ 819, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 818, 1 ]
Mathlib/Order/OmegaCompletePartialOrder.lean
OmegaCompletePartialOrder.ContinuousHom.comp_assoc
[ { "state_after": "case h\nα : Type u\nα' : Type ?u.65959\nβ : Type v\nβ' : Type ?u.65964\nγ : Type u_1\nφ : Type u_2\ninst✝⁵ : OmegaCompletePartialOrder α\ninst✝⁴ : OmegaCompletePartialOrder β\ninst✝³ : OmegaCompletePartialOrder γ\ninst✝² : OmegaCompletePartialOrder φ\ninst✝¹ : OmegaCompletePartialOrder α'\nins...
[ 730, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 729, 1 ]
Mathlib/GroupTheory/Perm/Support.lean
Equiv.Perm.set_support_mul_subset
[ { "state_after": "α : Type u_1\np q : Perm α\nx : α\n⊢ x ∈ {x | ↑(p * q) x ≠ x} → x ∈ {x | ↑p x ≠ x} ∪ {x | ↑q x ≠ x}", "state_before": "α : Type u_1\np q : Perm α\n⊢ {x | ↑(p * q) x ≠ x} ⊆ {x | ↑p x ≠ x} ∪ {x | ↑q x ≠ x}", "tactic": "intro x" }, { "state_after": "α : Type u_1\np q : Perm α\nx :...
[ 280, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 277, 1 ]
Mathlib/Analysis/SpecialFunctions/CompareExp.lean
Complex.IsExpCmpFilter.of_isBigO_im_re_rpow
[ { "state_after": "l : Filter ℂ\nhre : Tendsto re l atTop\nr : ℝ\nhr : im =O[l] fun z => z.re ^ r\nn : ℕ\n⊢ (fun z => z.im ^ n) =O[l] fun z => (z.re ^ r) ^ n", "state_before": "l : Filter ℂ\nhre : Tendsto re l atTop\nr : ℝ\nhr : im =O[l] fun z => z.re ^ r\nn : ℕ\n⊢ (fun z => z.im ^ ↑n) =O[l] fun z => (z.re ^...
[ 71, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/Topology/Algebra/Ring/Basic.lean
RingTopology.toTopologicalSpace_injective
[ { "state_after": "α : Type u_1\ninst✝ : Ring α\nf g : RingTopology α\na✝ : f.toTopologicalSpace = g.toTopologicalSpace\n⊢ f = g", "state_before": "α : Type u_1\ninst✝ : Ring α\n⊢ Injective toTopologicalSpace", "tactic": "intro f g _" }, { "state_after": "case mk\nα : Type u_1\ninst✝ : Ring α\ng ...
[ 306, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 304, 1 ]
Mathlib/Algebra/BigOperators/Associated.lean
Associates.prod_le_prod
[ { "state_after": "α : Type u_1\nβ : Type ?u.42748\nγ : Type ?u.42751\nδ : Type ?u.42754\ninst✝ : CommMonoid α\np q : Multiset (Associates α)\nh : p ≤ q\nthis : DecidableEq (Associates α)\n⊢ Multiset.prod p ≤ Multiset.prod q", "state_before": "α : Type u_1\nβ : Type ?u.42748\nγ : Type ?u.42751\nδ : Type ?u.4...
[ 141, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 1 ]
Mathlib/CategoryTheory/Subobject/Lattice.lean
CategoryTheory.MonoOver.top_arrow
[]
[ 55, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 54, 1 ]
Mathlib/MeasureTheory/Function/SimpleFuncDenseLp.lean
MeasureTheory.Lp.simpleFunc.induction
[ { "state_after": "α : Type u_1\nβ : Type ?u.1629871\nι : Type ?u.1629874\nE : Type u_2\nF : Type ?u.1629880\n𝕜 : Type ?u.1629883\ninst✝² : MeasurableSpace α\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedAddCommGroup F\np : ℝ≥0∞\nμ : Measure α\nhp_pos : p ≠ 0\nhp_ne_top : p ≠ ⊤\nP : { x // x ∈ simpleFunc E p μ ...
[ 749, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 723, 11 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
measurable_find
[ { "state_after": "α : Type u_1\nβ : Type ?u.56687\nγ : Type ?u.56690\nδ : Type ?u.56693\nδ' : Type ?u.56696\nι : Sort uι\ns t u : Set α\ninst✝¹ : MeasurableSpace α\np : α → ℕ → Prop\ninst✝ : (x : α) → DecidablePred (p x)\nhp : ∀ (x : α), ∃ N, p x N\nhm : ∀ (k : ℕ), MeasurableSet {x | p x k}\nx : α\n⊢ Measurable...
[ 457, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 453, 1 ]
Mathlib/MeasureTheory/Function/AEMeasurableSequence.lean
aeSeq.aeSeq_eq_mk_ae
[ { "state_after": "no goals", "state_before": "ι : Sort u_1\nα : Type u_2\nβ : Type u_3\nγ : Type ?u.571614\ninst✝² : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\nf : ι → α → β\nμ : MeasureTheory.Measure α\np : α → (ι → β) → Prop\ninst✝ : Countable ι\nhf : ∀ (i : ι), AEMeasurable (f i)\nhp : ∀ᵐ (x : α) ∂μ,...
[ 118, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/Analysis/SpecialFunctions/Exp.lean
Real.tendsto_mul_exp_add_div_pow_atTop
[ { "state_after": "case inl\nα : Type ?u.33412\nx y z : ℝ\nl : Filter α\nb c : ℝ\nhb : 0 < b\n⊢ Tendsto (fun x => (b * exp x + c) / x ^ 0) atTop atTop\n\ncase inr\nα : Type ?u.33412\nx y z : ℝ\nl : Filter α\nb c : ℝ\nn : ℕ\nhb : 0 < b\nhn : n ≠ 0\n⊢ Tendsto (fun x => (b * exp x + c) / x ^ n) atTop atTop", "s...
[ 256, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 248, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearEquiv.continuous
[]
[ 1885, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1884, 11 ]
Mathlib/Data/Set/Lattice.lean
Set.range_eq_iUnion
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type ?u.199050\nγ : Type ?u.199053\nι✝ : Sort ?u.199056\nι' : Sort ?u.199059\nι₂ : Sort ?u.199062\nκ : ι✝ → Sort ?u.199067\nκ₁ : ι✝ → Sort ?u.199072\nκ₂ : ι✝ → Sort ?u.199077\nκ' : ι' → Sort ?u.199082\nι : Sort u_1\nf : ι → α\na : α\n⊢ a ∈ rang...
[ 1670, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1669, 1 ]
Mathlib/Data/Set/Function.lean
Set.BijOn.bijective
[]
[ 997, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 994, 1 ]
Mathlib/RingTheory/UniqueFactorizationDomain.lean
factorization_zero
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝³ : CancelCommMonoidWithZero α\ninst✝² : UniqueFactorizationMonoid α\ninst✝¹ : NormalizationMonoid α\ninst✝ : DecidableEq α\n⊢ factorization 0 = 0", "tactic": "simp [factorization]" } ]
[ 2016, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2016, 1 ]
Mathlib/Topology/Sheaves/Stalks.lean
TopCat.Presheaf.app_surjective_of_stalkFunctor_map_bijective
[ { "state_after": "C : Type u\ninst✝⁶ : Category C\ninst✝⁵ : HasColimits C\nX Y Z : TopCat\ninst✝⁴ : ConcreteCategory C\ninst✝³ : PreservesFilteredColimits (forget C)\ninst✝² : HasLimits C\ninst✝¹ : PreservesLimits (forget C)\ninst✝ : ReflectsIsomorphisms (forget C)\nF G : Sheaf C X\nf : F ⟶ G\nU : Opens ↑X\nh :...
[ 585, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 569, 1 ]
Mathlib/Data/PNat/Find.lean
PNat.find_comp_succ
[ { "state_after": "case refine'_1\np q : ℕ+ → Prop\ninst✝¹ : DecidablePred p\ninst✝ : DecidablePred q\nh✝ : ∃ n, p n\nn✝ m : ℕ+\nh : ∃ n, p n\nh₂ : ∃ n, p (n + 1)\nh1 : ¬p 1\nn : ℕ+\n⊢ 1 < PNat.find h₂ + 1 → ¬p 1\n\ncase refine'_2\np q : ℕ+ → Prop\ninst✝¹ : DecidablePred p\ninst✝ : DecidablePred q\nh✝ : ∃ n, p n...
[ 129, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Data/Finset/Sort.lean
Finset.orderIsoOfFin_symm_apply
[]
[ 170, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Algebra/Hom/GroupAction.lean
DistribMulActionHom.coe_zero
[]
[ 346, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Mathlib/Order/LocallyFinite.lean
Finset.Ioi_eq_Ioc
[]
[ 458, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 457, 1 ]
Mathlib/Algebra/Ring/Equiv.lean
RingEquiv.toAddMonoidHom_refl
[]
[ 744, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 743, 1 ]
Mathlib/RingTheory/Polynomial/Pochhammer.lean
pochhammer_succ_comp_X_add_one
[ { "state_after": "S : Type u\ninst✝ : Semiring S\nn : ℕ\n⊢ comp (pochhammer ℕ (n + 1)) (X + 1) = pochhammer ℕ (n + 1) + (↑n + 1) * comp (pochhammer ℕ n) (X + 1)", "state_before": "S : Type u\ninst✝ : Semiring S\nn : ℕ\n⊢ comp (pochhammer S (n + 1)) (X + 1) = pochhammer S (n + 1) + (n + 1) • comp (pochhammer...
[ 128, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]
Mathlib/Data/Dfinsupp/Interval.lean
Dfinsupp.rangeIcc_apply
[]
[ 122, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 122, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.LiftRel.symm
[]
[ 1076, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1069, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.cons_inj_right
[ { "state_after": "case mk.mk\nα : Type u_1\nβ : Type ?u.12536\nγ : Type ?u.12539\na : α\ns✝ : Multiset α\nl₁ : List α\nt✝ : Multiset α\nl₂ : List α\n⊢ a ::ₘ Quot.mk Setoid.r l₁ = a ::ₘ Quot.mk Setoid.r l₂ ↔ Quot.mk Setoid.r l₁ = Quot.mk Setoid.r l₂", "state_before": "α : Type u_1\nβ : Type ?u.12536\nγ : Typ...
[ 151, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Order/SupIndep.lean
Finset.supIndep_univ_bool
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.13543\nι : Type ?u.13546\nι' : Type ?u.13549\ninst✝¹ : Lattice α\ninst✝ : OrderBot α\ns t : Finset ι\nf✝ : ι → α\ni : ι\nf : Bool → α\n⊢ true ≠ false", "tactic": "simp only [Ne.def, not_false_iff]" } ]
[ 124, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/Algebra/Order/Hom/Ring.lean
OrderRingIso.toOrderRingHom_injective
[ { "state_after": "no goals", "state_before": "F : Type ?u.78843\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.78852\nδ : Type ?u.78855\ninst✝⁵ : NonAssocSemiring α\ninst✝⁴ : Preorder α\ninst✝³ : NonAssocSemiring β\ninst✝² : Preorder β\ninst✝¹ : NonAssocSemiring γ\ninst✝ : Preorder γ\nf g : α ≃+*o β\nh : toOrderR...
[ 541, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 540, 1 ]
Mathlib/Data/List/Basic.lean
List.modifyNthTail_modifyNthTail_le
[ { "state_after": "case intro\nι : Type ?u.108113\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\nf g : List α → List α\nn : ℕ\nl : List α\nm : ℕ\nh : n ≤ n + m\n⊢ modifyNthTail g (n + m) (modifyNthTail f n l) = modifyNthTail (fun l => modifyNthTail g (n + m - n) (f l)) n l", "state_before":...
[ 1517, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1512, 1 ]
Mathlib/Probability/ProbabilityMassFunction/Monad.lean
Pmf.toMeasure_bind_apply
[]
[ 195, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/Data/Fintype/Card.lean
Fintype.card_bool
[]
[ 364, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 363, 1 ]
Mathlib/Data/Rat/Lemmas.lean
Rat.den_mk
[ { "state_after": "no goals", "state_before": "n d : ℤ\n⊢ (n /. d).den = if d = 0 then 1 else Int.natAbs d / Int.gcd n d", "tactic": "rcases d with ((_ | _) | _) <;>\n simp [divInt, mkRat, Rat.normalize, Nat.succPNat, Int.sign, Int.gcd, -Nat.cast_succ]" } ]
[ 72, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.a_of_eq
[ { "state_after": "no goals", "state_before": "R : Type u_1\nS : Type ?u.286399\nF : Type ?u.286402\nK : Type ?u.286405\nP Q : Cubic R\na b c d a' b' c' d' : R\ninst✝ : Semiring R\nh : toPoly P = toPoly Q\n⊢ P.a = Q.a", "tactic": "rw [← coeff_eq_a, h, coeff_eq_a]" } ]
[ 124, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Std/Data/Int/Lemmas.lean
Int.eq_ofNat_of_zero_le
[ { "state_after": "a : Int\nh : 0 ≤ a\nt : ∃ n, a - 0 = ↑n\n⊢ ∃ n, a = ↑n", "state_before": "a : Int\nh : 0 ≤ a\n⊢ ∃ n, a = ↑n", "tactic": "have t := le.dest_sub h" }, { "state_after": "a : Int\nh : 0 ≤ a\nt : ∃ n, a = ↑n\n⊢ ∃ n, a = ↑n", "state_before": "a : Int\nh : 0 ≤ a\nt : ∃ n, a - 0 = ...
[ 584, 67 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 583, 1 ]
Mathlib/Data/Set/Pairwise/Basic.lean
Set.PairwiseDisjoint.union
[]
[ 318, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/Init/Logic.lean
true_and_iff
[]
[ 144, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 144, 1 ]
Std/Data/String/Lemmas.lean
String.ext
[]
[ 16, 53 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 15, 8 ]
Mathlib/RingTheory/Noetherian.lean
fg_of_injective
[]
[ 153, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_le_rpow
[ { "state_after": "case inl\nx✝ y z✝ x z : ℝ\nh : 0 ≤ x\nh₂ : 0 ≤ z\nh₁ : x ≤ x\n⊢ x ^ z ≤ x ^ z\n\ncase inr\nx✝ y✝ z✝ x y z : ℝ\nh : 0 ≤ x\nh₁ : x ≤ y\nh₂ : 0 ≤ z\nh₁' : x < y\n⊢ x ^ z ≤ y ^ z", "state_before": "x✝ y✝ z✝ x y z : ℝ\nh : 0 ≤ x\nh₁ : x ≤ y\nh₂ : 0 ≤ z\n⊢ x ^ z ≤ y ^ z", "tactic": "rcases e...
[ 425, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 422, 1 ]
Mathlib/Data/Rat/Defs.lean
Rat.mul_num_den
[ { "state_after": "a b c q r : ℚ\nhq' : ↑q.den ≠ 0\n⊢ q * r = q.num * r.num /. ↑(q.den * r.den)", "state_before": "a b c q r : ℚ\n⊢ q * r = q.num * r.num /. ↑(q.den * r.den)", "tactic": "have hq' : (↑q.den : ℤ) ≠ 0 := by have := den_nz q; simpa" }, { "state_after": "a b c q r : ℚ\nhq' : ↑q.den ≠ ...
[ 456, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 451, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Complex.lean
Real.cos_eq_cos_iff
[ { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ cos x = cos y ↔ ∃ k, y = 2 * ↑k * π + x ∨ y = 2 * ↑k * π - x", "tactic": "exact_mod_cast @Complex.cos_eq_cos_iff x y" } ]
[ 221, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/MeasureTheory/Measure/FiniteMeasure.lean
MeasureTheory.FiniteMeasure.coeFn_zero
[ { "state_after": "case h\nΩ : Type u_1\ninst✝⁴ : MeasurableSpace Ω\nR : Type ?u.10659\ninst✝³ : SMul R ℝ≥0\ninst✝² : SMul R ℝ≥0∞\ninst✝¹ : IsScalarTower R ℝ≥0 ℝ≥0∞\ninst✝ : IsScalarTower R ℝ≥0∞ ℝ≥0∞\nx✝ : Set Ω\n⊢ ENNReal.toNNReal (↑↑↑0 x✝) = OfNat.ofNat 0 x✝", "state_before": "Ω : Type u_1\ninst✝⁴ : Measur...
[ 235, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
tsum_sum
[]
[ 647, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 645, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.Subsequent.trans
[]
[ 256, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 255, 1 ]
Mathlib/Data/Sign.lean
exists_signed_sum
[ { "state_after": "no goals", "state_before": "α✝ : Type ?u.148808\nα : Type u_1\ninst✝ : DecidableEq α\ns : Finset α\nf : α → ℤ\nβ : Type u_1\nt : Finset β\nsgn : β → SignType\ng : β → α\nhg : ∀ (b : β), g b ∈ s\nht : card t = ∑ a in s, Int.natAbs (f a)\nhf : ∀ (a : α), a ∈ s → (∑ b in t, if g b = a then ↑(...
[ 518, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 511, 1 ]
Mathlib/Analysis/SpecialFunctions/ExpDeriv.lean
ContDiffWithinAt.cexp
[]
[ 174, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.map_subtype_le
[]
[ 2984, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2983, 1 ]
Mathlib/Analysis/Convex/Combination.lean
convexHull_range_eq_exists_affineCombination
[ { "state_after": "case refine'_1\nR : Type u_2\nE : Type u_1\nF : Type ?u.160371\nι : Type u_3\nι' : Type ?u.160377\nα : Type ?u.160380\ninst✝⁷ : LinearOrderedField R\ninst✝⁶ : AddCommGroup E\ninst✝⁵ : AddCommGroup F\ninst✝⁴ : LinearOrderedAddCommGroup α\ninst✝³ : Module R E\ninst✝² : Module R F\ninst✝¹ : Modul...
[ 297, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
src/lean/Init/Core.lean
ex_of_PSigma
[]
[ 1050, 23 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 1049, 1 ]
Mathlib/Algebra/Order/Nonneg/Ring.lean
Nonneg.mk_nat_cast
[]
[ 241, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/MeasureTheory/Function/UniformIntegrable.lean
MeasureTheory.uniformIntegrable_congr_ae
[]
[ 760, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 758, 1 ]
Mathlib/Data/Option/Basic.lean
Option.map_pmap
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_3\nγ : Type u_2\nδ : Type ?u.8249\np : α → Prop\nf✝ : (a : α) → p a → β\nx✝ : Option α\ng : β → γ\nf : (a : α) → p a → β\nx : Option α\nH : ∀ (a : α), a ∈ x → p a\n⊢ Option.map g (pmap f x H) = pmap (fun a h => g (f a h)) x H", "tact...
[ 190, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/GroupTheory/Index.lean
Subgroup.relindex_top_left
[]
[ 244, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 243, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.trim_zero
[]
[ 1680, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1676, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.sup_eq_union
[]
[ 1809, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1808, 1 ]
Mathlib/NumberTheory/BernoulliPolynomials.lean
Polynomial.sum_range_pow_eq_bernoulli_sub
[ { "state_after": "n p : ℕ\n⊢ ∑ x in range (p + 1), _root_.bernoulli x * ↑(Nat.choose (p + 1) x) * ↑n ^ (p + 1 - x) =\n ∑ i in range (succ p + 1), eval (↑n) (↑(monomial i) (_root_.bernoulli (succ p - i) * ↑(Nat.choose (succ p) i))) -\n _root_.bernoulli (succ p)\n\nn p : ℕ\n⊢ ↑p + 1 ≠ 0", "state_befor...
[ 179, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 164, 1 ]
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
Set.Countable.preimage_circleMap
[]
[ 106, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 100, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieIdeal.coe_to_lieSubalgebra_to_submodule
[]
[ 259, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
ModelWithCorners.mk_symm
[]
[ 218, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 216, 1 ]
Mathlib/Data/Set/Image.lean
WithTop.range_eq
[]
[ 1517, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1515, 1 ]
Mathlib/MeasureTheory/Measure/ProbabilityMeasure.lean
MeasureTheory.FiniteMeasure.tendsto_normalize_of_tendsto
[ { "state_after": "Ω : Type u_2\ninst✝² : Nonempty Ω\nm0 : MeasurableSpace Ω\nμ : FiniteMeasure Ω\ninst✝¹ : TopologicalSpace Ω\ninst✝ : OpensMeasurableSpace Ω\nγ : Type u_1\nF : Filter γ\nμs : γ → FiniteMeasure Ω\nμs_lim : Tendsto μs F (𝓝 μ)\nnonzero : μ ≠ 0\n⊢ ∀ (f : Ω →ᵇ ℝ≥0),\n Tendsto (fun i => testAgain...
[ 477, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 472, 1 ]
Mathlib/Topology/Order.lean
nhds_induced
[ { "state_after": "case a\nα : Type u\nβ : Type v\nγ : Type ?u.44623\nf✝ : α → β\nι : Sort ?u.44630\nT : TopologicalSpace α\nf : β → α\na : β\ns : Set β\n⊢ s ∈ 𝓝 a ↔ s ∈ comap f (𝓝 (f a))", "state_before": "α : Type u\nβ : Type v\nγ : Type ?u.44623\nf✝ : α → β\nι : Sort ?u.44630\nT : TopologicalSpace α\nf ...
[ 841, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 838, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
Valuation.map_add_of_distinct_val
[ { "state_after": "K : Type ?u.1807321\nF : Type ?u.1807324\nR : Type u_2\ninst✝³ : DivisionRing K\nΓ₀ : Type u_1\nΓ'₀ : Type ?u.1807336\nΓ''₀ : Type ?u.1807339\ninst✝² : LinearOrderedCommMonoidWithZero Γ''₀\ninst✝¹ : Ring R\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\nv : Valuation R Γ₀\nx y z : R\nh : ↑v x ≠ ↑v...
[ 323, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 311, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.neg_lt_neg_iff
[ { "state_after": "no goals", "state_before": "x y : PGame\n⊢ -y < -x ↔ x < y", "tactic": "rw [lt_iff_le_and_lf, lt_iff_le_and_lf, neg_le_neg_iff, neg_lf_neg_iff]" } ]
[ 1332, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1331, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.toReal_pow
[]
[ 2244, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2243, 1 ]
Mathlib/Order/Bounded.lean
Set.bounded_lt_Iio
[]
[ 179, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 178, 1 ]
Mathlib/LinearAlgebra/Matrix/ToLin.lean
Matrix.toLin'_reindex
[]
[ 387, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 382, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.lf_moveRight_of_le
[]
[ 475, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 474, 1 ]
Mathlib/RingTheory/Polynomial/Content.lean
Polynomial.IsPrimitive.mul
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝² : CommRing R\ninst✝¹ : IsDomain R\ninst✝ : NormalizedGCDMonoid R\np q : R[X]\nhp : IsPrimitive p\nhq : IsPrimitive q\n⊢ IsPrimitive (p * q)", "tactic": "rw [isPrimitive_iff_content_eq_one, content_mul, hp.content_eq_one, hq.content_eq_on...
[ 413, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 411, 1 ]