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start
list
Mathlib/Data/List/ProdSigma.lean
List.sigma_nil
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.7878\nσ : α → Type u_2\nhead✝ : α\nl : List α\n⊢ (List.sigma (head✝ :: l) fun a => []) = []", "tactic": "simp [sigma_cons, sigma_nil]" } ]
[ 80, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 78, 1 ]
Mathlib/Order/Filter/Lift.lean
Filter.HasBasis.lift'
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_3\nγ : Type ?u.28763\nι✝ : Sort ?u.28766\nf f₁ f₂ : Filter α\nh h₁ h₂ : Set α → Set β\nι : Sort u_1\np : ι → Prop\ns : ι → Set α\nhf : HasBasis f p s\nhh : Monotone h\nt : Set β\n⊢ (∃ i, p i ∧ ∃ x, True ∧ h (s i) ⊆ t) ↔ ∃ i, p i ∧ (h ∘ s...
[ 261, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 258, 1 ]
Mathlib/Order/CompleteLattice.lean
iInf_pair
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nβ₂ : Type ?u.142048\nγ : Type ?u.142051\nι : Sort ?u.142054\nι' : Sort ?u.142057\nκ : ι → Sort ?u.142062\nκ' : ι' → Sort ?u.142067\ninst✝ : CompleteLattice α\nf✝ g s t : ι → α\na✝ b✝ : α\nf : β → α\na b : β\n⊢ (⨅ (x : β) (_ : x ∈ {a, ...
[ 1470, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1469, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
UniformSpace.replaceTopology_eq
[]
[ 387, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 385, 1 ]
Mathlib/Algebra/Star/Subalgebra.lean
StarSubalgebra.toSubalgebra_subtype
[]
[ 167, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 166, 1 ]
Mathlib/Algebra/Order/Rearrangement.lean
AntivaryOn.sum_mul_eq_sum_comp_perm_mul_iff
[]
[ 439, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 436, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Deriv.lean
tendsto_one_plus_div_pow_exp
[ { "state_after": "no goals", "state_before": "t : ℝ\n⊢ ∀ (x : ℕ), ((fun x => (1 + t / x) ^ x) ∘ Nat.cast) x = (1 + t / ↑x) ^ ↑x", "tactic": "simp" } ]
[ 627, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/CategoryTheory/Abelian/Pseudoelements.lean
CategoryTheory.Abelian.Pseudoelement.zero_morphism_ext'
[]
[ 290, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 289, 1 ]
Mathlib/Analysis/Convex/Between.lean
Sbtw.left_ne
[]
[ 247, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 246, 1 ]
Mathlib/Logic/Nonempty.lean
subsingleton_of_not_nonempty
[]
[ 171, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/Order/Atoms.lean
OrderIso.isCoatom_iff
[]
[ 812, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 810, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.biInf_le_nhds
[ { "state_after": "no goals", "state_before": "α : Type ?u.69959\nβ : Type ?u.69962\nγ : Type ?u.69965\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nx y z ε ε₁ ε₂ : ℝ≥0∞\ns : Set ℝ≥0∞\n⊢ 𝓟 (Icc (⊤ - 1) (⊤ + 1)) ≤ 𝓝 ⊤", "tactic": "simpa only [← coe_one, top_sub_coe, top_add, Icc_self, principal_singleton] using pure_le...
[ 267, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/Data/Finset/NAry.lean
Finset.card_image₂_singleton_left
[ { "state_after": "no goals", "state_before": "α : Type u_3\nα' : Type ?u.50799\nβ : Type u_1\nβ' : Type ?u.50805\nγ : Type u_2\nγ' : Type ?u.50811\nδ : Type ?u.50814\nδ' : Type ?u.50817\nε : Type ?u.50820\nε' : Type ?u.50823\nζ : Type ?u.50826\nζ' : Type ?u.50829\nν : Type ?u.50832\ninst✝⁷ : DecidableEq α'\...
[ 258, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
src/lean/Init/Data/Nat/Linear.lean
Nat.Linear.Poly.denote_append
[ { "state_after": "no goals", "state_before": "ctx : Context\np q : Poly\n⊢ denote ctx (p ++ q) = denote ctx p + denote ctx q", "tactic": "match p with\n| [] => simp\n| (k, v) :: p => simp [denote_append]" }, { "state_after": "no goals", "state_before": "ctx : Context\np q : Poly\n⊢ denote c...
[ 300, 40 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 297, 1 ]
Mathlib/Data/LazyList/Basic.lean
LazyList.mem_nil
[]
[ 252, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 251, 1 ]
Mathlib/Topology/VectorBundle/Basic.lean
VectorPrebundle.coordChange_apply
[]
[ 895, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 891, 1 ]
Mathlib/Data/Polynomial/Monic.lean
Polynomial.monic_zero_iff_subsingleton'
[ { "state_after": "R : Type u\nS : Type v\na b : R\nm n : ℕ\nι : Type y\ninst✝ : Semiring R\np q r : R[X]\na✝ : Subsingleton R\n⊢ (∀ (f g : R[X]), f = g) ∧ ∀ (a b : R), a = b", "state_before": "R : Type u\nS : Type v\na b : R\nm n : ℕ\nι : Type y\ninst✝ : Semiring R\np q r : R[X]\n⊢ Subsingleton R → (∀ (f g ...
[ 51, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 46, 1 ]
Std/Data/Nat/Gcd.lean
Nat.exists_coprime'
[]
[ 289, 57 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 287, 1 ]
Mathlib/Combinatorics/Composition.lean
List.map_length_splitWrtCompositionAux
[ { "state_after": "case nil\nn : ℕ\nα : Type u_1\nl : List α\nh : True\n⊢ map length (splitWrtCompositionAux l []) = []\n\ncase cons\nn✝ : ℕ\nα : Type u_1\nn : ℕ\nns : List ℕ\nIH : ∀ {l : List α}, sum ns ≤ length l → map length (splitWrtCompositionAux l ns) = ns\nl : List α\nh : n + sum ns ≤ length l\n⊢ map leng...
[ 701, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 693, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
Localization.mk_algebraMap
[ { "state_after": "R : Type u_2\ninst✝⁵ : CommSemiring R\nM : Submonoid R\nS : Type ?u.2882462\ninst✝⁴ : CommSemiring S\ninst✝³ : Algebra R S\nP : Type ?u.2882629\ninst✝² : CommSemiring P\nA : Type u_1\ninst✝¹ : CommSemiring A\ninst✝ : Algebra A R\nm : A\n⊢ ↑(algebraMap ((fun x => R) m) (Localization M)) (↑(alge...
[ 1040, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1038, 1 ]
Mathlib/Order/WellFoundedSet.lean
Set.IsWf.mono
[]
[ 199, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.bsup_eq_blsub_or_succ_bsup_eq_blsub
[ { "state_after": "α : Type ?u.353871\nβ : Type ?u.353874\nγ : Type ?u.353877\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\no : Ordinal\nf : (a : Ordinal) → a < o → Ordinal\n⊢ sup (familyOfBFamily o f) = lsub (familyOfBFamily o f) ∨ succ (sup (familyOfBFamily o f)) = lsub (familyOfBFamily o f)", "st...
[ 1837, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1834, 1 ]
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
AlgebraicTopology.DoldKan.PInfty_f_comp_QInfty_f
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nn : ℕ\n⊢ HomologicalComplex.Hom.f PInfty n ≫ HomologicalComplex.Hom.f (𝟙 K[X] - PInfty) n = 0", "state_before": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX : SimplicialObject C\nn : ℕ\n⊢ Hom...
[ 135, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 132, 1 ]
Mathlib/CategoryTheory/Sites/DenseSubsite.lean
CategoryTheory.CoverDense.sheaf_eq_amalgamation
[]
[ 150, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 147, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.comap_eq_top_iff
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nF : Type u_1\ninst✝¹ : Semiring R\ninst✝ : Semiring S\nrc : RingHomClass F R S\nf : F\nI✝ J : Ideal R\nK L : Ideal S\nG : Type ?u.781465\nrcg : RingHomClass G S R\nI : Ideal S\nh : I = ⊤\n⊢ comap f I = ⊤", "tactic": "rw [h, comap_top]...
[ 1446, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1444, 1 ]
Mathlib/GroupTheory/SpecificGroups/Quaternion.lean
QuaternionGroup.orderOf_xa
[ { "state_after": "n : ℕ\ninst✝ : NeZero n\ni : ZMod (2 * n)\n⊢ orderOf (xa i) = 2 ^ 2", "state_before": "n : ℕ\ninst✝ : NeZero n\ni : ZMod (2 * n)\n⊢ orderOf (xa i) = 4", "tactic": "change _ = 2 ^ 2" }, { "state_after": "n : ℕ\ninst✝ : NeZero n\ni : ZMod (2 * n)\nthis : Fact (Nat.Prime 2)\n⊢ ord...
[ 226, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/Data/Set/Ncard.lean
Set.ncard_preimage_ofInjective_subset_range
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\ns✝ t : Set α\na b x y : α\nf : α → β\ns : Set β\nH : Function.Injective f\nhs : s ⊆ range f\n⊢ ncard (f ⁻¹' s) = ncard s", "tactic": "rw [← ncard_image_ofInjective _ H, image_preimage_eq_iff.mpr hs]" } ]
[ 276, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 273, 1 ]
Mathlib/Logic/Equiv/LocalEquiv.lean
LocalEquiv.IsImage.image_eq
[]
[ 405, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 404, 1 ]
Mathlib/Data/Set/Pointwise/SMul.lean
Set.union_smul_inter_subset_union
[]
[ 226, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.degree_linear_lt_degree_C_mul_X_sq
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b c d : R\nn m : ℕ\ninst✝ : Semiring R\np q : R[X]\nι : Type ?u.1018519\nha : a ≠ 0\n⊢ degree (↑C b * X + ↑C c) < degree (↑C a * X ^ 2)", "tactic": "simpa only [degree_C_mul_X_pow 2 ha] using degree_linear_lt" } ]
[ 1185, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1183, 1 ]
Mathlib/LinearAlgebra/Multilinear/Basic.lean
MultilinearMap.mkPiAlgebraFin_apply_const
[ { "state_after": "no goals", "state_before": "R : Type u\nι : Type u'\nn : ℕ\nM : Fin (Nat.succ n) → Type v\nM₁ : ι → Type v₁\nM₂ : Type v₂\nM₃ : Type v₃\nM' : Type v'\ninst✝⁸ : CommSemiring R\ninst✝⁷ : (i : ι) → AddCommMonoid (M₁ i)\ninst✝⁶ : (i : Fin (Nat.succ n)) → AddCommMonoid (M i)\ninst✝⁵ : AddCommMo...
[ 1032, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1031, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.Valid'.rotateL_lemma₄
[ { "state_after": "no goals", "state_before": "α : Type ?u.313834\ninst✝ : Preorder α\na b : ℕ\nH3 : 2 * b ≤ 9 * a + 3\n⊢ 3 * b ≤ 16 * a + 9", "tactic": "linarith" } ]
[ 1232, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1231, 1 ]
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
Matrix.mul_nonsing_inv_cancel_left
[ { "state_after": "no goals", "state_before": "l : Type ?u.206113\nm : Type u\nn : Type u'\nα : Type v\ninst✝² : Fintype n\ninst✝¹ : DecidableEq n\ninst✝ : CommRing α\nA B✝ : Matrix n n α\nB : Matrix n m α\nh : IsUnit (det A)\n⊢ A ⬝ (A⁻¹ ⬝ B) = B", "tactic": "simp [← Matrix.mul_assoc, mul_nonsing_inv A h...
[ 331, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 330, 1 ]
Mathlib/Data/Set/Function.lean
Set.injOn_iff_injective
[]
[ 684, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 682, 1 ]
Mathlib/AlgebraicTopology/SplitSimplicialObject.lean
SimplicialObject.Split.comp_f
[]
[ 457, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 455, 1 ]
Mathlib/ModelTheory/Satisfiability.lean
Cardinal.Categorical.isComplete
[ { "state_after": "case intro\nL : Language\nκ : Cardinal\nT : Theory L\nh : Categorical κ T\nh1 : ℵ₀ ≤ κ\nh2 : lift (card L) ≤ lift κ\nhS : Theory.IsSatisfiable T\nhT : ∀ (M : Theory.ModelType T), Infinite ↑M\nφ : Sentence L\nw✝ : Theory.ModelType T\nh✝ : (#↑w✝) = κ\n⊢ T ⊨ᵇ φ ∨ T ⊨ᵇ Formula.not φ", "state_b...
[ 674, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 656, 1 ]
Mathlib/RingTheory/Algebraic.lean
polynomial_smul_apply'
[]
[ 434, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 432, 1 ]
Mathlib/Order/OmegaCompletePartialOrder.lean
OmegaCompletePartialOrder.Chain.mem_map
[]
[ 124, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Analysis/Complex/PhragmenLindelof.lean
PhragmenLindelof.eqOn_quadrant_II
[]
[ 528, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 519, 1 ]
Mathlib/Algebra/CharP/Basic.lean
CharP.int_cast_eq_zero_iff
[ { "state_after": "case inl\nR : Type u_1\ninst✝¹ : AddGroupWithOne R\np : ℕ\ninst✝ : CharP R p\na : ℤ\nh : a < 0\n⊢ ↑a = 0 ↔ ↑p ∣ a\n\ncase inr.inl\nR : Type u_1\ninst✝¹ : AddGroupWithOne R\np : ℕ\ninst✝ : CharP R p\n⊢ ↑0 = 0 ↔ ↑p ∣ 0\n\ncase inr.inr\nR : Type u_1\ninst✝¹ : AddGroupWithOne R\np : ℕ\ninst✝ : Cha...
[ 141, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.erase_subset
[]
[ 1942, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1941, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.pure_sets
[]
[ 1972, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1971, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
Finset.centroid_map
[ { "state_after": "no goals", "state_before": "k : Type u_4\nV : Type u_5\nP : Type u_3\ninst✝³ : DivisionRing k\ninst✝² : AddCommGroup V\ninst✝¹ : Module k V\ninst✝ : AffineSpace V P\nι : Type u_2\ns : Finset ι\nι₂ : Type u_1\ns₂ : Finset ι₂\ne : ι₂ ↪ ι\np : ι → P\n⊢ centroid k (map e s₂) p = centroid k s₂ ...
[ 889, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 888, 1 ]
Mathlib/GroupTheory/Perm/Support.lean
Equiv.Perm.ne_and_ne_of_swap_mul_apply_ne_self
[ { "state_after": "α : Type u_1\ninst✝ : DecidableEq α\nf : Perm α\nx y : α\nhy : (if ↑f y = x then ↑f x else if y = x then x else ↑f y) ≠ y\n⊢ ↑f y ≠ y ∧ y ≠ x", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\nf : Perm α\nx y : α\nhy : ↑(swap x (↑f x) * f) y ≠ y\n⊢ ↑f y ≠ y ∧ y ≠ x", "tactic": "si...
[ 249, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 244, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.indicator_nonpos_le_indicator
[]
[ 895, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 893, 1 ]
Mathlib/AlgebraicTopology/DoldKan/GammaCompN.lean
AlgebraicTopology.DoldKan.N₁Γ₀_hom_app
[ { "state_after": "C : Type u_2\ninst✝² : Category C\ninst✝¹ : Preadditive C\ninst✝ : HasFiniteCoproducts C\nK : ChainComplex C ℕ\n⊢ (N₁Γ₀.app K).hom =\n (Splitting.toKaroubiNondegComplexIsoN₁ (Γ₀.splitting K)).inv ≫\n (toKaroubi (ChainComplex C ℕ)).map (Γ₀NondegComplexIso K).hom", "state_before": "C...
[ 91, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/Data/Seq/Seq.lean
Stream'.Seq.cons_right_injective
[]
[ 117, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/LinearAlgebra/Isomorphisms.lean
LinearMap.quotKerEquivRange_symm_apply_image
[]
[ 63, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Std/Data/Nat/Gcd.lean
Nat.lcm_one_left
[ { "state_after": "no goals", "state_before": "m : Nat\n⊢ lcm 1 m = m", "tactic": "simp [lcm]" } ]
[ 189, 70 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 189, 9 ]
Mathlib/Algebra/Ring/Defs.lean
mul_one_sub
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nR : Type x\ninst✝ : NonAssocRing α\na b : α\n⊢ a * (1 - b) = a - a * b", "tactic": "rw [mul_sub, mul_one]" } ]
[ 419, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 419, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.diam_image_le_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.284548\ninst✝ : PseudoEMetricSpace α\nx y z : α\nε ε₁ ε₂ : ℝ≥0∞\ns✝ t : Set α\nd : ℝ≥0∞\nf : β → α\ns : Set β\n⊢ diam (f '' s) ≤ d ↔ ∀ (x : β), x ∈ s → ∀ (y : β), y ∈ s → edist (f x) (f y) ≤ d", "tactic": "simp only [diam_...
[ 884, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 882, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.isUnit_iff_singleton
[ { "state_after": "no goals", "state_before": "F : Type ?u.318482\nα : Type u_1\nβ : Type ?u.318488\nγ : Type ?u.318491\nδ : Type ?u.318494\nε : Type ?u.318497\ninst✝² : Group α\ninst✝¹ : DivisionMonoid β\ninst✝ : MonoidHomClass F α β\nm : F\nf g f₁ g₁ : Filter α\nf₂ g₂ : Filter β\n⊢ IsUnit f ↔ ∃ a, f = pure...
[ 887, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 886, 1 ]
Mathlib/Data/Rat/Cast.lean
Rat.cast_add
[]
[ 220, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 219, 1 ]
Mathlib/LinearAlgebra/Matrix/Determinant.lean
Matrix.det_eq_zero_of_column_eq_zero
[ { "state_after": "m : Type ?u.1632406\nn : Type u_1\ninst✝⁴ : DecidableEq n\ninst✝³ : Fintype n\ninst✝² : DecidableEq m\ninst✝¹ : Fintype m\nR : Type v\ninst✝ : CommRing R\nA : Matrix n n R\nj : n\nh : ∀ (i : n), A i j = 0\n⊢ det Aᵀ = 0", "state_before": "m : Type ?u.1632406\nn : Type u_1\ninst✝⁴ : Decidabl...
[ 373, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 370, 1 ]
Mathlib/Algebra/Lie/Semisimple.lean
LieAlgebra.center_eq_bot_of_semisimple
[ { "state_after": "R : Type u\nL : Type v\ninst✝² : CommRing R\ninst✝¹ : LieRing L\ninst✝ : LieAlgebra R L\nh : ∀ (I : LieIdeal R L), IsLieAbelian { x // x ∈ ↑I } → I = ⊥\n⊢ center R L = ⊥", "state_before": "R : Type u\nL : Type v\ninst✝² : CommRing R\ninst✝¹ : LieRing L\ninst✝ : LieAlgebra R L\nh : IsSemisi...
[ 83, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 1 ]
Mathlib/NumberTheory/Padics/PadicNorm.lean
padicNorm.sum_le'
[ { "state_after": "case inl\np : ℕ\nhp : Fact (Nat.Prime p)\nα : Type u_1\nF : α → ℚ\nt : ℚ\nht : 0 ≤ t\nhF : ∀ (i : α), i ∈ ∅ → padicNorm p (F i) ≤ t\n⊢ padicNorm p (∑ i in ∅, F i) ≤ t\n\ncase inr\np : ℕ\nhp : Fact (Nat.Prime p)\nα : Type u_1\nF : α → ℚ\nt : ℚ\ns : Finset α\nhF : ∀ (i : α), i ∈ s → padicNorm p ...
[ 356, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 352, 1 ]
Mathlib/Topology/Homeomorph.lean
Homeomorph.symm_trans_self
[ { "state_after": "case H\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.36194\nδ : Type ?u.36197\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ninst✝¹ : TopologicalSpace γ\ninst✝ : TopologicalSpace δ\nh : α ≃ₜ β\nx✝ : β\n⊢ ↑(Homeomorph.trans (Homeomorph.symm h) h) x✝ = ↑(Homeomorph.refl β) x✝", "state...
[ 168, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 166, 1 ]
Mathlib/Data/List/Dedup.lean
List.Nodup.dedup
[]
[ 84, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 11 ]
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
AffineSubspace.subtypeₐᵢ_toAffineMap
[]
[ 304, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 302, 1 ]
Mathlib/Data/Nat/Interval.lean
Nat.card_Icc
[]
[ 98, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Analysis/SpecialFunctions/Complex/Log.lean
Complex.exp_inj_of_neg_pi_lt_of_le_pi
[ { "state_after": "no goals", "state_before": "x y : ℂ\nhx₁ : -π < x.im\nhx₂ : x.im ≤ π\nhy₁ : -π < y.im\nhy₂ : y.im ≤ π\nhxy : exp x = exp y\n⊢ x = y", "tactic": "rw [← log_exp hx₁ hx₂, ← log_exp hy₁ hy₂, hxy]" } ]
[ 70, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 68, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.card_erase_of_mem
[]
[ 1106, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1105, 1 ]
Mathlib/Topology/Category/Profinite/CofilteredLimit.lean
Profinite.exists_locallyConstant_finite_nonempty
[ { "state_after": "J : Type u\ninst✝³ : SmallCategory J\ninst✝² : IsCofiltered J\nF : J ⥤ Profinite\nC : Cone F\nα : Type u_1\ninst✝¹ : Finite α\ninst✝ : Nonempty α\nhC : IsLimit C\nf : LocallyConstant (↑C.pt.toCompHaus.toTop) α\ninhabited_h : Inhabited α\n⊢ ∃ j g, f = LocallyConstant.comap ((forget Profinite).m...
[ 212, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 186, 1 ]
Mathlib/FieldTheory/IsAlgClosed/Basic.lean
IsAlgClosed.exists_root
[]
[ 82, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.exists_mul_lt_of_lt_op_norm
[ { "state_after": "case intro\n𝕜 : Type u_1\n𝕜₂ : Type u_2\n𝕜₃ : Type ?u.744106\nE : Type u_3\nEₗ : Type ?u.744112\nF : Type u_4\nFₗ : Type ?u.744118\nG : Type ?u.744121\nGₗ : Type ?u.744124\n𝓕 : Type ?u.744127\ninst✝¹⁶ : SeminormedAddCommGroup E\ninst✝¹⁵ : SeminormedAddCommGroup Eₗ\ninst✝¹⁴ : SeminormedAddC...
[ 516, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 513, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
isBoundedBilinearMap_inner
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_2\nE : Type u_1\nF : Type ?u.3418113\ninst✝⁵ : IsROrC 𝕜\ninst✝⁴ : NormedAddCommGroup E\ninst✝³ : InnerProductSpace 𝕜 E\ninst✝² : NormedAddCommGroup F\ninst✝¹ : InnerProductSpace ℝ F\ndec_E : DecidableEq E\ninst✝ : NormedSpace ℝ E\nr : ℝ\nx y : E\n⊢...
[ 1870, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1859, 1 ]
Mathlib/Topology/Algebra/ContinuousAffineMap.lean
ContinuousLinearMap.coe_toContinuousAffineMap
[]
[ 283, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 283, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.mem_inf_of_left
[]
[ 426, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 425, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.Monic.leadingCoeff
[]
[ 93, 5 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/FieldTheory/Subfield.lean
Subfield.comap_comap
[]
[ 501, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 499, 1 ]
Mathlib/Data/Set/Basic.lean
Set.MemUnion.elim
[]
[ 751, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/NumberTheory/Zsqrtd/Basic.lean
Zsqrtd.coe_nat_val
[]
[ 295, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 294, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Basic.lean
WithBot.coe_iInf
[]
[ 160, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Order/Filter/AtTopBot.lean
OrderIso.tendsto_atTop_iff
[ { "state_after": "ι : Type ?u.53584\nι' : Type ?u.53587\nα : Type u_2\nβ : Type u_3\nγ : Type u_1\ninst✝¹ : Preorder α\ninst✝ : Preorder β\nl : Filter γ\nf : γ → α\ne : α ≃o β\n⊢ Tendsto (fun x => ↑e (f x)) l atTop ↔ Tendsto (↑e ∘ f) l atTop", "state_before": "ι : Type ?u.53584\nι' : Type ?u.53587\nα : Type...
[ 432, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]
Mathlib/Analysis/Calculus/FDerivSymmetric.lean
Convex.isLittleO_alternate_sum_square
[ { "state_after": "E : Type u_1\nF : Type u_2\ninst✝³ : NormedAddCommGroup E\ninst✝² : NormedSpace ℝ E\ninst✝¹ : NormedAddCommGroup F\ninst✝ : NormedSpace ℝ F\ns : Set E\ns_conv : Convex ℝ s\nf : E → F\nf' : E → E →L[ℝ] F\nf'' : E →L[ℝ] E →L[ℝ] F\nhf : ∀ (x : E), x ∈ interior s → HasFDerivAt f (f' x) x\nx : E\nx...
[ 229, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 182, 1 ]
Mathlib/ModelTheory/Semantics.lean
FirstOrder.Language.Formula.realize_not
[]
[ 617, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 616, 1 ]
Mathlib/Data/Set/Finite.lean
Set.finite_of_finite_preimage
[ { "state_after": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\nf : α → β\ns : Set β\nh : Set.Finite (f ⁻¹' s)\nhs : s ⊆ range f\n⊢ Set.Finite (f '' (f ⁻¹' s))", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\nf : α → β\ns : Set β\nh : Set.Finite (f ⁻¹' s)\nhs : s ⊆ range f\n⊢ Set.Finite ...
[ 882, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 879, 1 ]
Mathlib/Dynamics/PeriodicPts.lean
MulAction.zpow_smul_mod_minimalPeriod
[]
[ 632, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 628, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_compl_mul_prod
[]
[ 491, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 489, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.IsNormal.bsup_eq
[ { "state_after": "no goals", "state_before": "α : Type ?u.366130\nβ : Type ?u.366133\nγ : Type ?u.366136\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\nf : Ordinal → Ordinal\nH : IsNormal f\no : Ordinal\nh : IsLimit o\n⊢ (Ordinal.bsup o fun x x_1 => f x) = f o", "tactic": "rw [← IsNormal.bsup.{u...
[ 1964, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1962, 1 ]
Mathlib/SetTheory/Cardinal/Finite.lean
Nat.card_zmod
[ { "state_after": "case zero\nα : Type ?u.13639\nβ : Type ?u.13642\n⊢ Nat.card (ZMod zero) = zero\n\ncase succ\nα : Type ?u.13639\nβ : Type ?u.13642\nn✝ : ℕ\n⊢ Nat.card (ZMod (succ n✝)) = succ n✝", "state_before": "α : Type ?u.13639\nβ : Type ?u.13642\nn : ℕ\n⊢ Nat.card (ZMod n) = n", "tactic": "cases n"...
[ 129, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 126, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.PullbackCone.snd_colimit_cocone
[]
[ 1156, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1155, 1 ]
Mathlib/Topology/UniformSpace/UniformConvergence.lean
tendstoLocallyUniformlyOn_sUnion
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nι : Type x\ninst✝¹ : UniformSpace β\nF : ι → α → β\nf : α → β\ns s' : Set α\nx : α\np : Filter ι\np' : Filter α\ng : ι → α\ninst✝ : TopologicalSpace α\nS : Set (Set α)\nhS : ∀ (s : Set α), s ∈ S → IsOpen s\nh : ∀ (s : Set α), s ∈ S → TendstoLocallyUniformlyO...
[ 672, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 669, 1 ]
Mathlib/GroupTheory/Perm/List.lean
List.formPerm_apply_mem_of_mem
[ { "state_after": "case nil\nα : Type u_1\nβ : Type ?u.4870\ninst✝ : DecidableEq α\nl : List α\nx✝ x : α\nh : x ∈ []\n⊢ ↑(formPerm []) x ∈ []\n\ncase cons\nα : Type u_1\nβ : Type ?u.4870\ninst✝ : DecidableEq α\nl✝ : List α\nx✝ x y : α\nl : List α\nh : x ∈ y :: l\n⊢ ↑(formPerm (y :: l)) x ∈ y :: l", "state_be...
[ 102, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/MeasureTheory/Measure/Regular.lean
MeasurableSet.exists_isClosed_diff_lt
[ { "state_after": "case intro.intro.intro\nα : Type u_1\nβ : Type ?u.75620\ninst✝³ : MeasurableSpace α\ninst✝² : TopologicalSpace α\nμ : Measure α\ninst✝¹ : OpensMeasurableSpace α\ninst✝ : WeaklyRegular μ\nA : Set α\nhA : MeasurableSet A\nh'A : ↑↑μ A ≠ ⊤\nε : ℝ≥0∞\nhε : ε ≠ 0\nF : Set α\nhFA : F ⊆ A\nhFc : IsClo...
[ 596, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 589, 1 ]
Mathlib/Data/List/Basic.lean
List.append_left_injective
[]
[ 413, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 412, 1 ]
Mathlib/Data/Finset/LocallyFinite.lean
Finset.Icc_subset_Iic_self
[ { "state_after": "no goals", "state_before": "ι : Type ?u.52044\nα : Type u_1\ninst✝² : Preorder α\ninst✝¹ : LocallyFiniteOrder α\na a₁ a₂ b b₁ b₂ c x : α\ninst✝ : LocallyFiniteOrderBot α\n⊢ Icc a b ⊆ Iic b", "tactic": "simpa [← coe_subset] using Set.Icc_subset_Iic_self" } ]
[ 427, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 426, 1 ]
Mathlib/Algebra/Algebra/Operations.lean
Submodule.mul_subset_mul
[]
[ 257, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 256, 1 ]
Mathlib/Data/Set/Function.lean
Set.bijective_iff_bijOn_univ
[]
[ 1007, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1000, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
modelWithCornersSelf_coe
[]
[ 383, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 382, 1 ]
Mathlib/RingTheory/RootsOfUnity/Basic.lean
IsPrimitiveRoot.zpow_eq_one
[ { "state_after": "M : Type ?u.2599937\nN : Type ?u.2599940\nG : Type u_1\nR : Type ?u.2599946\nS : Type ?u.2599949\nF : Type ?u.2599952\ninst✝² : CommMonoid M\ninst✝¹ : CommMonoid N\ninst✝ : DivisionCommMonoid G\nk l : ℕ\nζ : G\nh : IsPrimitiveRoot ζ k\n⊢ ζ ^ k = 1", "state_before": "M : Type ?u.2599937\nN ...
[ 558, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 557, 1 ]
Mathlib/MeasureTheory/Covering/Besicovitch.lean
Besicovitch.ae_tendsto_measure_inter_div
[ { "state_after": "no goals", "state_before": "α : Type ?u.1407422\ninst✝¹⁰ : MetricSpace α\nβ : Type u\ninst✝⁹ : SecondCountableTopology α\ninst✝⁸ : MeasurableSpace α\ninst✝⁷ : OpensMeasurableSpace α\ninst✝⁶ : HasBesicovitchCovering α\ninst✝⁵ : MetricSpace β\ninst✝⁴ : MeasurableSpace β\ninst✝³ : BorelSpace ...
[ 1194, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1190, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.image_seq
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Sort ?u.274141\nι' : Sort ?u.274144\nι₂ : Sort ?u.274147\nκ : ι → Sort ?u.274152\nκ₁ : ι → Sort ?u.274157\nκ₂ : ι → Sort ?u.274162\nκ' : ι' → Sort ?u.274167\nf : β → γ\ns : Set (α → β)\nt : Set α\n⊢ f '' seq s t = se...
[ 1989, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1987, 1 ]
Mathlib/Data/Set/Finite.lean
Set.infinite_of_finite_compl
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ninst✝ : Infinite α\ns : Set α\nhs : Set.Finite (sᶜ)\nh : Set.Finite s\n⊢ Set.Finite univ", "tactic": "simpa using hs.union h" } ]
[ 1300, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1299, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.eval₂_at_one
[ { "state_after": "case h.e'_2.h.e'_6\nR : Type u\nS✝ : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝¹ : Semiring R\np q r : R[X]\nx : R\nS : Type u_1\ninst✝ : Semiring S\nf : R →+* S\n⊢ 1 = ↑f 1", "state_before": "R : Type u\nS✝ : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝¹ : Semiring...
[ 341, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/Topology/Algebra/Module/FiniteDimension.lean
LinearMap.coe_toContinuousLinearMap_symm
[]
[ 312, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 309, 1 ]
Mathlib/Data/Finset/Sups.lean
Finset.infs_sups_subset_left
[]
[ 410, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 409, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.iUnion_restrict
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nI J J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ι → ℝ\nπi πi₁ πi₂ : (J : Box ι) → Prepartition J\n⊢ Prepartition.iUnion (restrict π J) = ↑J ∩ Prepartition.iUnion π", "tactic": "simp [restrict, ← inter_iUnion, ← iUnion_def]" } ]
[ 527, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 526, 1 ]
Mathlib/Analysis/Calculus/Deriv/Comp.lean
HasDerivAt.comp_hasFDerivAt
[]
[ 145, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 143, 1 ]
Mathlib/Analysis/InnerProductSpace/Projection.lean
Submodule.finrank_add_inf_finrank_orthogonal'
[ { "state_after": "𝕜 : Type u_1\nE : Type u_2\nF : Type ?u.998953\ninst✝⁵ : IsROrC 𝕜\ninst✝⁴ : NormedAddCommGroup E\ninst✝³ : NormedAddCommGroup F\ninst✝² : InnerProductSpace 𝕜 E\ninst✝¹ : InnerProductSpace ℝ F\nK K₁ K₂ : Submodule 𝕜 E\ninst✝ : FiniteDimensional 𝕜 { x // x ∈ K₂ }\nh : K₁ ≤ K₂\nn : ℕ\nh_dim ...
[ 1103, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1099, 1 ]