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start
list
Mathlib/Topology/Algebra/Order/Floor.lean
tendsto_floor_left_pure_ceil_sub_one
[ { "state_after": "α : Type u_1\nβ : Type ?u.8173\nγ : Type ?u.8176\ninst✝³ : LinearOrderedRing α\ninst✝² : FloorRing α\ninst✝¹ : TopologicalSpace α\ninst✝ : OrderClosedTopology α\nx : α\n⊢ ↑⌈x⌉ < x + 1", "state_before": "α : Type u_1\nβ : Type ?u.8173\nγ : Type ?u.8176\ninst✝³ : LinearOrderedRing α\ninst✝² ...
[ 95, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Std/Logic.lean
iff_def'
[]
[ 40, 73 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 40, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.lintegral_map'
[ { "state_after": "α : Type u_2\nβ✝ : Type ?u.902392\nγ : Type ?u.902395\nδ : Type ?u.902398\nm : MeasurableSpace α\nμ ν : Measure α\nβ : Type u_1\ninst✝ : MeasurableSpace β\nμ' : Measure β\nf : α →ₛ ℝ≥0∞\ng : β →ₛ ℝ≥0∞\nm' : α → β\neq : ∀ (a : α), ↑f a = ↑g (m' a)\nh : ∀ (s : Set β), MeasurableSet s → ↑↑μ' s = ...
[ 1154, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1149, 1 ]
Mathlib/Data/List/BigOperators/Basic.lean
List.prod_lt_prod'
[ { "state_after": "case nil\nι : Type u_2\nα : Type ?u.85857\nM : Type u_1\nN : Type ?u.85863\nP : Type ?u.85866\nM₀ : Type ?u.85869\nG : Type ?u.85872\nR : Type ?u.85875\ninst✝⁷ : Monoid M\ninst✝⁶ : Monoid N\ninst✝⁵ : Monoid P\nl✝ l₁ l₂ : List M\na : M\ninst✝⁴ : Preorder M\ninst✝³ : CovariantClass M M (fun x x_...
[ 322, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.ofWithBot_mono
[]
[ 462, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 454, 1 ]
Mathlib/GroupTheory/SpecificGroups/Alternating.lean
Equiv.Perm.isThreeCycle_sq_of_three_mem_cycleType_five
[ { "state_after": "case intro.intro.intro.intro.intro\nα : Type ?u.96658\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nc g' : Perm (Fin 5)\nh : 3 ∈ cycleType (c * g')\nhd : Disjoint c g'\nleft✝ : IsCycle c\nh3 : Finset.card (support c) = 3\n⊢ IsThreeCycle (c * g' * (c * g'))", "state_before": "α : Type ?u.9665...
[ 210, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 197, 1 ]
Mathlib/Algebra/CharP/Basic.lean
MonoidHom.map_iterate_frobenius
[]
[ 377, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 375, 1 ]
Mathlib/MeasureTheory/Covering/Besicovitch.lean
Besicovitch.tendsto_filterAt
[ { "state_after": "α : Type u_1\ninst✝⁵ : MetricSpace α\nβ : Type u\ninst✝⁴ : SecondCountableTopology α\ninst✝³ : MeasurableSpace α\ninst✝² : OpensMeasurableSpace α\ninst✝¹ : HasBesicovitchCovering α\nμ : MeasureTheory.Measure α\ninst✝ : SigmaFinite μ\nx : α\ns : Set (Set α)\nhs : s ∈ VitaliFamily.filterAt (Besi...
[ 1153, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1141, 1 ]
Mathlib/Data/List/Perm.lean
List.Perm.append_cons
[]
[ 129, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.permCongr_apply
[]
[ 442, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 442, 9 ]
Mathlib/Topology/DenseEmbedding.lean
DenseInducing.extend_eq_at
[]
[ 158, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 156, 1 ]
Mathlib/Topology/Separation.lean
ConnectedSpace.infinite
[]
[ 809, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 808, 1 ]
Mathlib/Topology/Homeomorph.lean
Homeomorph.induced_eq
[]
[ 233, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 232, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.beq_eq
[]
[ 96, 134 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 96, 9 ]
Mathlib/Data/Finset/Basic.lean
Finset.forall_mem_union
[]
[ 1359, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1357, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.IsOption.mk_left
[]
[ 228, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Basic.lean
DifferentiableOn.congr_mono
[]
[ 918, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 917, 1 ]
Mathlib/Algebra/Order/Sub/Defs.lean
tsub_le_iff_tsub_le
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.3403\ninst✝³ : Preorder α\ninst✝² : AddCommSemigroup α\ninst✝¹ : Sub α\ninst✝ : OrderedSub α\na b c d : α\n⊢ a - b ≤ c ↔ a - c ≤ b", "tactic": "rw [tsub_le_iff_left, tsub_le_iff_right]" } ]
[ 112, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/RingTheory/Polynomial/Chebyshev.lean
Polynomial.Chebyshev.one_sub_X_sq_mul_derivative_T_eq_poly_in_T
[ { "state_after": "no goals", "state_before": "R : Type u_1\nS : Type ?u.69485\ninst✝¹ : CommRing R\ninst✝ : CommRing S\nn : ℕ\n⊢ (1 - X ^ 2) * ↑derivative (T R (n + 1)) = (1 - X ^ 2) * ((↑n + 1) * U R n)", "tactic": "rw [T_derivative_eq_U]" }, { "state_after": "no goals", "state_before": "R ...
[ 211, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 203, 1 ]
Mathlib/NumberTheory/LucasLehmer.lean
LucasLehmer.X.one_fst
[]
[ 252, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 251, 1 ]
Mathlib/Data/Polynomial/Derivative.lean
Polynomial.iterate_derivative_X_sub_pow
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nT : Type w\nι : Type y\nA : Type z\na b : R\nn✝ : ℕ\ninst✝ : CommRing R\nn k : ℕ\nc : R\n⊢ (↑derivative^[k]) ((X - ↑C c) ^ n) = ↑(∏ i in range k, (n - i)) * (X - ↑C c) ^ (n - k)", "tactic": "rw [sub_eq_add_neg, ← C_neg, iterate_deriva...
[ 677, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 674, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.comp_add
[ { "state_after": "case h\nR₁ : Type u_5\nR₂ : Type u_3\nR₃ : Type u_4\ninst✝¹⁹ : Semiring R₁\ninst✝¹⁸ : Semiring R₂\ninst✝¹⁷ : Semiring R₃\nσ₁₂ : R₁ →+* R₂\nσ₂₃ : R₂ →+* R₃\nσ₁₃ : R₁ →+* R₃\nM₁ : Type u_6\ninst✝¹⁶ : TopologicalSpace M₁\ninst✝¹⁵ : AddCommMonoid M₁\nM'₁ : Type ?u.519412\ninst✝¹⁴ : TopologicalSpac...
[ 821, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 818, 1 ]
Mathlib/Topology/ContinuousOn.lean
ContinuousOn.image_closure
[]
[ 754, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 752, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
lt_mul_of_lt_one_left
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type ?u.87400\ninst✝ : StrictOrderedRing α\na b c : α\nhb : b < 0\nh : a < 1\n⊢ b < a * b", "tactic": "simpa only [one_mul] using mul_lt_mul_of_neg_right h hb" } ]
[ 704, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 703, 1 ]
Mathlib/Data/Sum/Basic.lean
Sum.isRight_inr
[]
[ 107, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 9 ]
Mathlib/Data/Nat/Order/Lemmas.lean
Nat.lt_div_iff_mul_lt
[ { "state_after": "case inl\na✝ b m n✝ k n a : ℕ\nhnd : 0 ∣ n\n⊢ a < n / 0 ↔ 0 * a < n\n\ncase inr\na✝ b m n✝ k n d : ℕ\nhnd : d ∣ n\na : ℕ\nhd0 : d > 0\n⊢ a < n / d ↔ d * a < n", "state_before": "a✝ b m n✝ k n d : ℕ\nhnd : d ∣ n\na : ℕ\n⊢ a < n / d ↔ d * a < n", "tactic": "rcases d.eq_zero_or_pos with (...
[ 58, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 11 ]
Mathlib/Analysis/Complex/Isometry.lean
LinearIsometry.im_apply_eq_im
[ { "state_after": "f : ℂ →ₗᵢ[ℝ] ℂ\nh : ↑f 1 = 1\nz : ℂ\nthis : ‖↑f z - 1‖ = ‖z - 1‖\n⊢ z + ↑(starRingEnd ℂ) z = ↑f z + ↑(starRingEnd ((fun x => ℂ) z)) (↑f z)", "state_before": "f : ℂ →ₗᵢ[ℝ] ℂ\nh : ↑f 1 = 1\nz : ℂ\n⊢ z + ↑(starRingEnd ℂ) z = ↑f z + ↑(starRingEnd ((fun x => ℂ) z)) (↑f z)", "tactic": "have ...
[ 119, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/Geometry/Manifold/LocalInvariantProperties.lean
StructureGroupoid.LocalInvariantProp.congr
[]
[ 120, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.op_norm_add_le
[]
[ 274, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 272, 1 ]
Mathlib/Topology/Algebra/Order/IntermediateValue.lean
intermediate_value_Icc'
[]
[ 540, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 538, 1 ]
Mathlib/Data/Fintype/Basic.lean
Set.toFinset_symmDiff
[ { "state_after": "case a\nα : Type u_1\nβ : Type ?u.89359\nγ : Type ?u.89362\ns t : Set α\ninst✝³ : DecidableEq α\ninst✝² : Fintype ↑s\ninst✝¹ : Fintype ↑t\ninst✝ : Fintype ↑(s ∆ t)\na✝ : α\n⊢ a✝ ∈ toFinset (s ∆ t) ↔ a✝ ∈ toFinset s ∆ toFinset t", "state_before": "α : Type u_1\nβ : Type ?u.89359\nγ : Type ?...
[ 718, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 715, 1 ]
Mathlib/Data/List/ToFinsupp.lean
List.toFinsupp_apply_fin
[]
[ 76, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.iInter₂_mul_subset
[]
[ 535, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 533, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.uniformity_basis_dist_inv_nat_pos
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.52437\nι : Type ?u.52440\ninst✝ : PseudoMetricSpace α\nx y z : α\nδ ε✝ ε₁ ε₂ : ℝ\ns : Set α\nε : ℝ\nε0 : 0 < ε\nn : ℕ\nhn : 1 / (↑n + 1) < ε\n⊢ 1 / ↑(n + 1) ≤ ε", "tactic": "exact_mod_cast hn.le" } ]
[ 760, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 756, 1 ]
Mathlib/NumberTheory/ArithmeticFunction.lean
Nat.ArithmeticFunction.natCoe_apply
[]
[ 163, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/Data/Finset/NatAntidiagonal.lean
Finset.Nat.filter_snd_eq_antidiagonal
[ { "state_after": "n m : ℕ\nthis : (fun x => x.snd = m) ∘ Prod.swap = fun x => x.fst = m\n⊢ filter (fun x => x.snd = m) (antidiagonal n) = if m ≤ n then {(n - m, m)} else ∅", "state_before": "n m : ℕ\n⊢ filter (fun x => x.snd = m) (antidiagonal n) = if m ≤ n then {(n - m, m)} else ∅", "tactic": "have : (...
[ 129, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Topology/UniformSpace/Completion.lean
UniformSpace.Completion.uniformContinuous_completionSeparationQuotientEquiv_symm
[]
[ 666, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 664, 1 ]
Mathlib/Topology/StoneCech.lean
ultrafilterBasis_is_basis
[ { "state_after": "case intro.intro.intro\nα : Type u\na b : Set α\nu : Ultrafilter α\nua : u ∈ (fun s => {u | s ∈ u}) a\nub : u ∈ (fun s => {u | s ∈ u}) b\n⊢ ∃ t₃, t₃ ∈ ultrafilterBasis α ∧ u ∈ t₃ ∧ t₃ ⊆ (fun s => {u | s ∈ u}) a ∩ (fun s => {u | s ∈ u}) b", "state_before": "α : Type u\n⊢ ∀ (t₁ : Set (Ultraf...
[ 52, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 46, 1 ]
Mathlib/Analysis/Calculus/Deriv/AffineMap.lean
AffineMap.hasStrictDerivAt_lineMap
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_1\ninst✝² : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace 𝕜 E\nf : 𝕜 →ᵃ[𝕜] E\na b : E\nL : Filter 𝕜\ns : Set 𝕜\nx : 𝕜\n⊢ HasStrictDerivAt (↑(lineMap a b)) (b - a) x", "tactic": "simpa using (li...
[ 65, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 64, 1 ]
Mathlib/Algebra/Group/WithOne/Basic.lean
WithOne.map_coe
[]
[ 111, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 110, 1 ]
Mathlib/Order/Hom/Lattice.lean
InfHom.coe_comp
[]
[ 593, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 592, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.coe_singletonOneHom
[]
[ 151, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Analysis/SpecialFunctions/Stirling.lean
Stirling.stirlingSeq'_pos
[ { "state_after": "n : ℕ\n⊢ 0 < ↑(succ n)! / (Real.sqrt (2 * ↑(succ n)) * (↑(succ n) / exp 1) ^ succ n)", "state_before": "n : ℕ\n⊢ 0 < stirlingSeq (succ n)", "tactic": "unfold stirlingSeq" }, { "state_after": "no goals", "state_before": "n : ℕ\n⊢ 0 < ↑(succ n)! / (Real.sqrt (2 * ↑(succ n)) *...
[ 187, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/Algebra/Lie/Nilpotent.lean
LieSubmodule.ucs_eq_top_iff
[ { "state_after": "R : Type u\nL : Type v\nM : Type w\ninst✝⁶ : CommRing R\ninst✝⁵ : LieRing L\ninst✝⁴ : LieAlgebra R L\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\ninst✝¹ : LieRingModule L M\ninst✝ : LieModule R L M\nk✝ : ℕ\nN N₁ N₂ : LieSubmodule R L M\nk : ℕ\n⊢ lcs k ⊤ ≤ N ↔ LieModule.lowerCentralSeries R L...
[ 422, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 421, 1 ]
Std/Data/List/Lemmas.lean
List.nil_subset
[]
[ 231, 57 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 231, 9 ]
Mathlib/Analysis/Convex/Cone/Basic.lean
Convex.mem_to_cone'
[ { "state_after": "case refine'_1\n𝕜 : Type u_2\nE : Type u_1\nF : Type ?u.167255\nG : Type ?u.167258\ninst✝² : LinearOrderedField 𝕜\ninst✝¹ : AddCommGroup E\ninst✝ : Module 𝕜 E\ns : Set E\nhs : Convex 𝕜 s\nx : E\n⊢ (∃ c, 0 < c ∧ ∃ y, y ∈ s ∧ c • y = x) → ∃ c, 0 < c ∧ c • x ∈ s\n\ncase refine'_2\n𝕜 : Type u...
[ 669, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 664, 1 ]
Mathlib/Order/CompleteLattice.lean
le_iSup_of_le
[]
[ 791, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 790, 1 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousIdeal.lean
Ideal.homogeneousHull_eq_iSup
[ { "state_after": "case intro.intro\nι : Type ?u.242952\nσ : Type ?u.242955\nR : Type ?u.242958\nA : Type ?u.242961\ninst✝⁵ : Semiring A\ninst✝⁴ : DecidableEq ι\ninst✝³ : AddMonoid ι\ninst✝² : SetLike σ A\ninst✝¹ : AddSubmonoidClass σ A\n𝒜 : ι → σ\ninst✝ : GradedRing 𝒜\nI : Ideal A\ni : ι\nx : A\n⊢ Homogeneous...
[ 600, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 593, 1 ]
Mathlib/Topology/Order/Basic.lean
nhdsWithin_Icc_eq_nhdsWithin_Iic
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ninst✝³ : TopologicalSpace α\ninst✝² : LinearOrder α\ninst✝¹ : OrderClosedTopology α\na✝ b✝ : α\ninst✝ : TopologicalSpace γ\na b : α\nh : a < b\n⊢ 𝓝[Icc a b] b = 𝓝[Iic b] b", "tactic": "simpa only [dual_Icc] using nhdsWit...
[ 594, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 593, 1 ]
Mathlib/Data/Matrix/Block.lean
Matrix.blockDiagonal'_submatrix_eq_blockDiagonal
[]
[ 646, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 643, 1 ]
Mathlib/CategoryTheory/Elements.lean
CategoryTheory.CategoryOfElements.comp_val
[]
[ 81, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.X_inj
[]
[ 295, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 294, 1 ]
Mathlib/CategoryTheory/Iso.lean
CategoryTheory.Iso.trans_mk
[]
[ 179, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 175, 1 ]
Mathlib/GroupTheory/EckmannHilton.lean
EckmannHilton.mul
[ { "state_after": "case h.h\nX : Type u\nm₁ m₂ : X → X → X\ne₁ e₂ : X\nh₁ : IsUnital m₁ e₁\nh₂ : IsUnital m₂ e₂\ndistrib : ∀ (a b c d : X), m₁ (m₂ a b) (m₂ c d) = m₂ (m₁ a c) (m₁ b d)\na b : X\n⊢ m₁ a b = m₂ a b", "state_before": "X : Type u\nm₁ m₂ : X → X → X\ne₁ e₂ : X\nh₁ : IsUnital m₁ e₁\nh₂ : IsUnital m...
[ 73, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 68, 1 ]
Mathlib/Data/Nat/Log.lean
Nat.lt_pow_succ_log_self
[]
[ 135, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
ContinuousMultilinearMap.le_op_nnnorm
[ { "state_after": "𝕜 : Type u\nι : Type v\nι' : Type v'\nn : ℕ\nE : ι → Type wE\nE₁ : ι → Type wE₁\nE' : ι' → Type wE'\nEi : Fin (Nat.succ n) → Type wEi\nG : Type wG\nG' : Type wG'\ninst✝¹⁷ : Fintype ι\ninst✝¹⁶ : Fintype ι'\ninst✝¹⁵ : NontriviallyNormedField 𝕜\ninst✝¹⁴ : (i : ι) → NormedAddCommGroup (E i)\nins...
[ 469, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 466, 1 ]
Mathlib/Data/Nat/PSub.lean
Nat.psub_eq_sub
[]
[ 104, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Dynamics/Flow.lean
Flow.map_add
[]
[ 128, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Data/Nat/Lattice.lean
Set.biInter_lt_succ
[]
[ 214, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/Data/Multiset/Fold.lean
Multiset.max_nat_le_of_forall_le
[]
[ 137, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 1 ]
Mathlib/Combinatorics/SetFamily/Intersecting.lean
Set.Intersecting.insert
[ { "state_after": "case inl.inl\nα : Type u_1\ninst✝¹ : SemilatticeInf α\ninst✝ : OrderBot α\ns t : Set α\nb c✝ : α\nhs : Intersecting s\nc : α\nha : c ≠ ⊥\nh : ∀ (b : α), b ∈ s → ¬Disjoint c b\n⊢ ¬Disjoint c c\n\ncase inl.inr\nα : Type u_1\ninst✝¹ : SemilatticeInf α\ninst✝ : OrderBot α\ns t : Set α\nb✝ c✝ : α\n...
[ 73, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]
Mathlib/Data/Complex/Basic.lean
Complex.normSq_neg
[ { "state_after": "no goals", "state_before": "z : ℂ\n⊢ ↑normSq (-z) = ↑normSq z", "tactic": "simp [normSq]" } ]
[ 648, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 648, 1 ]
Mathlib/Data/Finset/LocallyFinite.lean
Finset.Ico_erase_left
[ { "state_after": "no goals", "state_before": "ι : Type ?u.81143\nα : Type u_1\ninst✝² : PartialOrder α\ninst✝¹ : LocallyFiniteOrder α\na✝ b✝ c : α\ninst✝ : DecidableEq α\na b : α\n⊢ erase (Ico a b) a = Ioo a b", "tactic": "simp [← coe_inj]" } ]
[ 553, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 553, 1 ]
Mathlib/Combinatorics/SetFamily/Compression/Down.lean
Finset.memberSubfamily_inter
[ { "state_after": "α : Type u_1\ninst✝ : DecidableEq α\n𝒜✝ ℬ✝ : Finset (Finset α)\ns : Finset α\na✝ a : α\n𝒜 ℬ : Finset (Finset α)\n⊢ image (fun s => erase s a) (filter (fun s => a ∈ s) (𝒜 ∩ ℬ)) =\n image (fun s => erase s a) (filter (fun s => a ∈ s) 𝒜) ∩ image (fun s => erase s a) (filter (fun s => a ∈ s...
[ 81, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.lf_moveRight
[]
[ 602, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 601, 1 ]
Mathlib/LinearAlgebra/LinearPMap.lean
LinearPMap.sup_h_of_disjoint
[ { "state_after": "R : Type u_1\ninst✝⁶ : Ring R\nE : Type u_2\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.210345\ninst✝¹ : AddCommGroup G\ninst✝ : Module R G\nf g : E →ₗ.[R] F\nh : ∀ (x : E), x ∈ f.domain → x ∈ g.domain → x = 0\nx : { x ...
[ 382, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Topology/Order.lean
IsClosed.mono
[]
[ 248, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 247, 1 ]
Mathlib/Combinatorics/SimpleGraph/Clique.lean
SimpleGraph.isClique_iff
[]
[ 53, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 52, 1 ]
Mathlib/Order/SuccPred/Limit.lean
Order.not_isPredLimit_of_noMin
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝⁴ : Preorder α\na : α\ninst✝³ : PredOrder α\ninst✝² : IsPredArchimedean α\ninst✝¹ : NoMinOrder α\ninst✝ : NoMaxOrder α\n⊢ ¬IsPredLimit a", "tactic": "simp" } ]
[ 328, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/Order/PrimeIdeal.lean
Order.Ideal.IsPrime.of_mem_or_mem
[ { "state_after": "P : Type u_1\ninst✝¹ : SemilatticeInf P\nx y : P\nI : Ideal P\ninst✝ : IsProper I\nhI : ∀ {x y : P}, x ⊓ y ∈ I → x ∈ I ∨ y ∈ I\n⊢ IsProper I ∧ IsPFilter (↑Iᶜ)", "state_before": "P : Type u_1\ninst✝¹ : SemilatticeInf P\nx y : P\nI : Ideal P\ninst✝ : IsProper I\nhI : ∀ {x y : P}, x ⊓ y ∈ I →...
[ 141, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Combinatorics/Hindman.lean
Ultrafilter.continuous_mul_left
[]
[ 89, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
ZFSet.mem_diff
[]
[ 1179, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1178, 1 ]
Mathlib/Analysis/NormedSpace/BanachSteinhaus.lean
banach_steinhaus_iSup_nnnorm
[ { "state_after": "E : Type u_2\nF : Type u_5\n𝕜 : Type u_3\n𝕜₂ : Type u_4\ninst✝⁷ : SeminormedAddCommGroup E\ninst✝⁶ : SeminormedAddCommGroup F\ninst✝⁵ : NontriviallyNormedField 𝕜\ninst✝⁴ : NontriviallyNormedField 𝕜₂\ninst✝³ : NormedSpace 𝕜 E\ninst✝² : NormedSpace 𝕜₂ F\nσ₁₂ : 𝕜 →+* 𝕜₂\ninst✝¹ : RingHomI...
[ 96, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/GroupTheory/FreeProduct.lean
FreeProduct.NeWord.toList_head?
[ { "state_after": "ι : Type u_1\nM : ι → Type u_2\ninst✝¹ : (i : ι) → Monoid (M i)\nN : Type ?u.490383\ninst✝ : Monoid N\ni j : ι\nw : NeWord M i j\n⊢ { fst := i, snd := head w } ∈ List.head? (toList w)", "state_before": "ι : Type u_1\nM : ι → Type u_2\ninst✝¹ : (i : ι) → Monoid (M i)\nN : Type ?u.490383\nin...
[ 534, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 529, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.power_le_power_right
[]
[ 756, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 755, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieSubmodule.subset_lieSpan
[ { "state_after": "R : Type u\nL : Type v\nM : Type w\ninst✝⁶ : CommRing R\ninst✝⁵ : LieRing L\ninst✝⁴ : LieAlgebra R L\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\ninst✝¹ : LieRingModule L M\ninst✝ : LieModule R L M\nN N' : LieSubmodule R L M\nI J : LieIdeal R L\ns : Set M\nm : M\nhm : m ∈ s\n⊢ m ∈ ↑(lieSpan ...
[ 619, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 615, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.mk_mul_aleph0_eq
[]
[ 586, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 585, 1 ]
Mathlib/Analysis/Convex/Body.lean
ConvexBody.ext
[]
[ 85, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 84, 11 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.iSup_eq_closure
[ { "state_after": "no goals", "state_before": "G : Type u_2\nG' : Type ?u.215948\ninst✝² : Group G\ninst✝¹ : Group G'\nA : Type ?u.215957\ninst✝ : AddGroup A\nH K : Subgroup G\nk : Set G\nι : Sort u_1\np : ι → Subgroup G\n⊢ (⨆ (i : ι), p i) = closure (⋃ (i : ι), ↑(p i))", "tactic": "simp_rw [closure_iUni...
[ 1273, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1272, 1 ]
Std/Data/Int/Lemmas.lean
Int.le_toNat
[ { "state_after": "no goals", "state_before": "n : Nat\nz : Int\nh : 0 ≤ z\n⊢ n ≤ toNat z ↔ ↑n ≤ z", "tactic": "rw [← Int.ofNat_le, Int.toNat_of_nonneg h]" } ]
[ 1381, 45 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1380, 9 ]
Mathlib/Data/Complex/Exponential.lean
Complex.exp_eq_exp_re_mul_sin_add_cos
[ { "state_after": "no goals", "state_before": "x y : ℂ\n⊢ exp x = exp ↑x.re * (cos ↑x.im + sin ↑x.im * I)", "tactic": "rw [← exp_add_mul_I, re_add_im]" } ]
[ 1090, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1089, 1 ]
Mathlib/Order/CompleteLattice.lean
isGLB_sInf
[]
[ 216, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.transpose_smul
[ { "state_after": "case a.h\nl : Type ?u.928657\nm : Type u_2\nn : Type u_3\no : Type ?u.928666\nm' : o → Type ?u.928671\nn' : o → Type ?u.928676\nR✝ : Type ?u.928679\nS : Type ?u.928682\nα : Type v\nβ : Type w\nγ : Type ?u.928689\nR : Type u_1\ninst✝ : SMul R α\nc : R\nM : Matrix m n α\ni✝ : n\nx✝ : m\n⊢ (c • M...
[ 2009, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2007, 1 ]
Mathlib/Logic/Relation.lean
Relation.ReflTransGen.cases_tail
[]
[ 294, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 293, 1 ]
Mathlib/Data/Finsupp/Defs.lean
Finsupp.single_swap
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type ?u.130294\nγ : Type ?u.130297\nι : Type ?u.130300\nM : Type u_1\nM' : Type ?u.130306\nN : Type ?u.130309\nP : Type ?u.130312\nG : Type ?u.130315\nH : Type ?u.130318\nR : Type ?u.130321\nS : Type ?u.130324\ninst✝ : Zero M\na a' : α\nb✝ : M\...
[ 446, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 445, 1 ]
Mathlib/Topology/Compactification/OnePoint.lean
OnePoint.inseparable_iff
[ { "state_after": "no goals", "state_before": "X : Type u_1\ninst✝ : TopologicalSpace X\ns : Set (OnePoint X)\nt : Set X\nx y : OnePoint X\n⊢ Inseparable x y ↔ x = ∞ ∧ y = ∞ ∨ ∃ x', x = ↑x' ∧ ∃ y', y = ↑y' ∧ Inseparable x' y'", "tactic": "induction x using OnePoint.rec <;> induction y using OnePoint.rec ...
[ 425, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 422, 1 ]
Mathlib/LinearAlgebra/Basic.lean
LinearMap.ker_le_ker_comp
[ { "state_after": "R : Type u_1\nR₁ : Type ?u.1179953\nR₂ : Type u_2\nR₃ : Type u_5\nR₄ : Type ?u.1179962\nS : Type ?u.1179965\nK : Type ?u.1179968\nK₂ : Type ?u.1179971\nM : Type u_3\nM' : Type ?u.1179977\nM₁ : Type ?u.1179980\nM₂ : Type u_4\nM₃ : Type u_6\nM₄ : Type ?u.1179989\nN : Type ?u.1179992\nN₂ : Type ?...
[ 1351, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1350, 1 ]
Mathlib/NumberTheory/Padics/PadicNumbers.lean
padicNormE.nonarchimedean'
[]
[ 627, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/Data/List/Basic.lean
List.nthLe_append
[]
[ 1332, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1331, 1 ]
Mathlib/Algebra/BigOperators/RingEquiv.lean
RingEquiv.map_list_prod
[]
[ 26, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 25, 11 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Trivialization.continuousAt_of_comp_left
[ { "state_after": "ι : Type ?u.43574\nB : Type u_2\nF : Type u_3\nE : B → Type ?u.43585\nZ : Type u_4\ninst✝⁴ : TopologicalSpace B\ninst✝³ : TopologicalSpace F\nproj : Z → B\ninst✝² : TopologicalSpace Z\ninst✝¹ : TopologicalSpace (TotalSpace E)\ne✝ : Trivialization F proj\nx✝ : Z\nX : Type u_1\ninst✝ : Topologic...
[ 553, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 547, 1 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
MvPowerSeries.coeff_zero_eq_constantCoeff_apply
[]
[ 490, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 488, 1 ]
Mathlib/Data/Finset/Preimage.lean
Finset.map_subset_iff_subset_preimage
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\nf : α ↪ β\ns : Finset α\nt : Finset β\n⊢ map f s ⊆ t ↔ s ⊆ preimage t ↑f (_ : InjOn (↑f) (↑f ⁻¹' ↑t))", "tactic": "classical rw [map_eq_image, image_subset_iff_subset_preimage]" }, { "state_after": "no ...
[ 94, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.toOuterMeasure_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.159074\nγ : Type ?u.159077\nδ : Type ?u.159080\nι : Type ?u.159083\nR : Type ?u.159086\nR' : Type ?u.159089\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set...
[ 1073, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1071, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.mem_iff_inf_principal_compl
[ { "state_after": "α : Type u_1\nβ : Type ?u.55460\nγ : Type ?u.55463\nι : Sort ?u.55466\nι' : Sort ?u.55469\nl l' : Filter α\np : ι → Prop\ns✝ : ι → Set α\nt : Set α\ni : ι\np' : ι' → Prop\ns' : ι' → Set α\ni' : ι'\nf : Filter α\ns : Set α\n⊢ (∀ (U : Set α), U ∈ f → Set.Nonempty (U ∩ sᶜ)) ↔ ¬s ∈ f", "state_...
[ 690, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 686, 1 ]
Mathlib/Algebra/Algebra/Spectrum.lean
spectrum.map_star
[ { "state_after": "case h\nR : Type u\nA : Type v\ninst✝⁵ : CommSemiring R\ninst✝⁴ : Ring A\ninst✝³ : Algebra R A\ninst✝² : InvolutiveStar R\ninst✝¹ : StarRing A\ninst✝ : StarModule R A\na : A\nx✝ : R\n⊢ x✝ ∈ σ (star a) ↔ x✝ ∈ star (σ a)", "state_before": "R : Type u\nA : Type v\ninst✝⁵ : CommSemiring R\nins...
[ 266, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 11 ]
Mathlib/RingTheory/GradedAlgebra/Basic.lean
GradedAlgebra.mem_support_iff
[]
[ 240, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
one_half_lt_one
[]
[ 534, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 533, 1 ]
Std/Data/List/Init/Lemmas.lean
List.singleton_append
[]
[ 54, 65 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 54, 14 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.range_prod_eq
[]
[ 1319, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1317, 1 ]