file_path stringlengths 11 79 | full_name stringlengths 2 100 | traced_tactics list | end list | commit stringclasses 4
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Mathlib/Algebra/Group/Pi.lean | Set.piecewise_inv | [] | [
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38
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Mathlib/Analysis/Normed/Field/Basic.lean | Nat.norm_cast_le | [
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Mathlib/Topology/Algebra/InfiniteSum/Basic.lean | HasSum.int_rec | [
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1013,
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Mathlib/Analysis/SpecificLimits/Basic.lean | NNReal.exists_pos_sum_of_countable | [
{
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Mathlib/Algebra/Regular/Basic.lean | mul_isLeftRegular_iff | [] | [
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Mathlib/Data/Finset/NAry.lean | Finset.biUnion_image_left | [
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Mathlib/Analysis/BoxIntegral/Basic.lean | BoxIntegral.HasIntegral.unique | [] | [
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27
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Mathlib/MeasureTheory/Integral/PeakFunction.lean | tendsto_set_integral_pow_smul_of_unique_maximum_of_isCompact_of_continuousOn | [
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Mathlib/MeasureTheory/Integral/SetIntegral.lean | MeasureTheory.set_integral_nonneg_ae | [
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741,
83
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Mathlib/Logic/Basic.lean | bex_eq_left | [
{
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Mathlib/Deprecated/Subgroup.lean | IsSubgroup.normalizer_isSubgroup | [
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Mathlib/Logic/Equiv/List.lean | Denumerable.raise_chain | [] | [
318,
73
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316,
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Mathlib/MeasureTheory/Function/SimpleFuncDenseLp.lean | MeasureTheory.Lp.simpleFunc.coeFn_nonneg | [
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846,
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Mathlib/Logic/Unique.lean | Unique.exists_iff | [] | [
162,
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Mathlib/MeasureTheory/Group/Measure.lean | MeasureTheory.MeasurePreserving.mul_left | [] | [
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43
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Mathlib/Data/Set/Lattice.lean | Set.iUnion₂_subset | [] | [
291,
45
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289,
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Mathlib/Order/UpperLower/Basic.lean | UpperSet.compl_iInf | [
{
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853,
86
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Mathlib/Geometry/Manifold/LocalInvariantProperties.lean | LocalHomeomorph.isLocalStructomorphWithinAt_iff' | [
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640,
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Mathlib/Data/Real/Hyperreal.lean | Hyperreal.coe_min | [] | [
145,
21
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Mathlib/Algebra/Quaternion.lean | QuaternionAlgebra.star_eq_neg | [
{
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"tactic": "simp [QuaternionAlgebra.ext... | [
701,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/LinearAlgebra/Finsupp.lean | Finsupp.lmapDomain_comp | [] | [
464,
40
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Mathlib/Analysis/Convex/SimplicialComplex/Basic.lean | Geometry.SimplicialComplex.convexHull_subset_space | [
{
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Mathlib/MeasureTheory/Integral/SetToL1.lean | MeasureTheory.L1.SimpleFunc.setToL1SCLM_const | [] | [
964,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/Topology/Homotopy/Contractible.lean | Homeomorph.contractibleSpace | [] | [
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/Topology/Algebra/ContinuousAffineMap.lean | ContinuousAffineMap.coe_mk | [] | [
131,
79
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/GroupTheory/GroupAction/BigOperators.lean | Finset.smul_prod | [] | [
72,
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Mathlib/Order/Filter/Germ.lean | Filter.Germ.const_inv | [] | [
460,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
459,
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Mathlib/Data/Polynomial/HasseDeriv.lean | Polynomial.hasseDeriv_eq_zero_of_lt_natDegree | [
{
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... | [
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Mathlib/Analysis/SpecialFunctions/Trigonometric/Complex.lean | Complex.tan_int_mul_pi_div_two | [
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Mathlib/MeasureTheory/Measure/Haar/Basic.lean | MeasureTheory.Measure.haar.is_left_invariant_index | [
{
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289,
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Mathlib/Data/Multiset/Basic.lean | Multiset.countp_le_card | [] | [
2230,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
2229,
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Mathlib/Topology/Separation.lean | tendsto_nhds_unique' | [] | [
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50
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
967,
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Mathlib/Data/Nat/Multiplicity.lean | Nat.Prime.multiplicity_mul | [] | [
86,
28
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
84,
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Mathlib/AlgebraicGeometry/RingedSpace.lean | AlgebraicGeometry.RingedSpace.basicOpen_res | [
{
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Mathlib/GroupTheory/Submonoid/Pointwise.lean | Submonoid.smul_mem_pointwise_smul_iff | [] | [
280,
24
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
279,
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Mathlib/Data/Polynomial/Degree/Definitions.lean | Polynomial.degree_sub_le | [
{
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}
] | [
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Mathlib/Data/Complex/Exponential.lean | Real.cosh_sub | [
{
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"tactic": "simp [sub_eq_add_neg, cosh_add, sinh_neg, cosh_neg]"
}
] | [
1387,
54
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1386,
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Mathlib/Topology/Order/Basic.lean | Filter.Tendsto.min_right | [] | [
737,
48
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
735,
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Mathlib/Topology/Algebra/UniformField.lean | UniformSpace.Completion.hatInv_extends | [] | [
110,
94
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
109,
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Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean | CategoryTheory.Limits.spanCompIso_inv_app_zero | [] | [
376,
93
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
376,
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Mathlib/RingTheory/Ideal/Operations.lean | Ideal.pow_le_self | [] | [
796,
23
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
793,
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Mathlib/Analysis/Convex/Side.lean | AffineSubspace.sSameSide_lineMap_right | [] | [
743,
41
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
741,
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Mathlib/Data/Set/Lattice.lean | Set.surjOn_iInter_iInter | [] | [
1617,
79
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1615,
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Mathlib/LinearAlgebra/AffineSpace/Combination.lean | Finset.weightedVSub_apply | [
{
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Mathlib/Order/WithBot.lean | WithTop.le_none | [] | [
838,
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Mathlib/Algebra/Hom/NonUnitalAlg.lean | NonUnitalAlgHom.inl_apply | [] | [
396,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
395,
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Mathlib/MeasureTheory/Integral/IntervalIntegral.lean | intervalIntegral.integral_ofReal | [] | [
659,
34
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
657,
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Mathlib/Data/Complex/Basic.lean | Complex.sq_abs_sub_sq_im | [
{
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"tactic": "rw [← sq_abs_sub_sq_re, sub_sub_cancel]"
}
] | [
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42
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/CategoryTheory/Closed/Monoidal.lean | CategoryTheory.ihom.coev_ev | [] | [
142,
59
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141,
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Mathlib/RingTheory/Ideal/QuotientOperations.lean | DoubleQuot.liftSupQuotQuotMkₐ_toRingHom | [] | [
737,
6
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735,
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Mathlib/Analysis/Convex/Measure.lean | Convex.nullMeasurableSet | [] | [
91,
62
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
90,
11
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Mathlib/Algebra/Group/Basic.lean | div_ne_one | [] | [
828,
23
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
827,
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Mathlib/Topology/Connected.lean | PreconnectedSpace.connectedComponent_eq_univ | [] | [
798,
50
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
796,
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Mathlib/Analysis/Normed/Group/Basic.lean | ContinuousOn.nnnorm' | [] | [
1250,
69
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1249,
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Mathlib/NumberTheory/ArithmeticFunction.lean | Nat.ArithmeticFunction.IsMultiplicative.nat_cast | [
{
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Mathlib/NumberTheory/Zsqrtd/Basic.lean | Zsqrtd.zero_im | [] | [
76,
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Mathlib/Order/RelIso/Basic.lean | RelEmbedding.isWellOrder | [] | [
408,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
407,
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Mathlib/LinearAlgebra/AdicCompletion.lean | IsHausdorff.iInf_pow_smul | [] | [
129,
97
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
127,
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Mathlib/Topology/Semicontinuous.lean | lowerSemicontinuous_const | [] | [
192,
30
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191,
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Mathlib/Topology/SubsetProperties.lean | isIrreducible_iff_closure | [] | [
1726,
62
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1725,
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Mathlib/Data/Nat/Choose/Sum.lean | Finset.prod_antidiagonal_pow_choose_succ | [
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Mathlib/CategoryTheory/Limits/Constructions/EpiMono.lean | CategoryTheory.reflects_mono_of_reflectsLimit | [
{
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53,
88
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Mathlib/Algebra/Algebra/Hom.lean | AlgHom.coe_mk' | [] | [
299,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
298,
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Mathlib/Analysis/NormedSpace/LinearIsometry.lean | LinearIsometryEquiv.lipschitz | [] | [
1011,
23
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1010,
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Mathlib/Data/List/Func.lean | List.Func.equiv_of_eq | [
{
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239,
90
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Mathlib/Topology/PathConnected.lean | pathComponent_subset_component | [
{
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"tactic": "simp"
},
{
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... | [
933,
96
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
931,
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Mathlib/Data/Pi/Lex.lean | Pi.toLex_update_lt_self_iff | [
{
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"state_before": "... | [
164,
25
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
156,
1
] |
Mathlib/MeasureTheory/Function/L1Space.lean | MeasureTheory.L1.norm_def | [
{
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1309,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1308,
1
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Mathlib/Order/Closure.lean | ClosureOperator.closure_iSup_closure | [] | [
279,
52
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
277,
1
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Mathlib/Data/Set/Pointwise/SMul.lean | Set.vsub_iInter₂_subset | [] | [
749,
36
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
747,
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Mathlib/CategoryTheory/Preadditive/Injective.lean | CategoryTheory.Injective.comp_factorThru | [] | [
84,
38
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
82,
1
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Mathlib/Algebra/Order/Monoid/WithTop.lean | WithTop.top_add | [] | [
146,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
145,
1
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Mathlib/Analysis/SpecificLimits/Normed.lean | NormedField.tendsto_norm_inverse_nhdsWithin_0_atTop | [] | [
58,
83
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
56,
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Mathlib/RingTheory/Subsemiring/Basic.lean | Subsemiring.coe_add | [] | [
382,
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] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
381,
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Mathlib/Order/Basic.lean | max_rec | [] | [
945,
29
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
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Mathlib/Data/List/Sublists.lean | List.sublists_cons | [
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"state_before": "α : Type u\nβ : Type v\nγ : Type w\na : α\nl : List α\n⊢ sublists ([a] ++ l) = do\n ... | [
174,
91
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170,
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Mathlib/Topology/Algebra/Order/Floor.lean | tendsto_floor_left' | [] | [
147,
48
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145,
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Mathlib/Data/List/Lex.lean | List.lt_iff_lex_lt | [
{
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"state_before": "α : Type u\ninst✝ : LinearOrder α\nl l' : List α\n⊢ lt ... | [
206,
52
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
194,
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Mathlib/CategoryTheory/Equivalence.lean | CategoryTheory.Equivalence.Equivalence_mk'_counitInv | [] | [
150,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
148,
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Mathlib/MeasureTheory/Function/SimpleFunc.lean | MeasureTheory.SimpleFunc.coe_range | [] | [
116,
30
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
115,
1
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Mathlib/RingTheory/Ideal/QuotientOperations.lean | DoubleQuot.quotQuotEquivQuotOfLEₐ_toRingEquiv | [] | [
826,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
824,
1
] |
Mathlib/Analysis/BoxIntegral/Box/Basic.lean | BoxIntegral.Box.diam_Icc_le_of_distortion_le | [
{
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"state_before": "ι : Type u_1\nI✝ J... | [
539,
92
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
531,
1
] |
Mathlib/Data/Finset/Pointwise.lean | Finset.pairwiseDisjoint_smul_iff | [
{
"state_after": "no goals",
"state_before": "F : Type ?u.780136\nα : Type u_1\nβ : Type ?u.780142\nγ : Type ?u.780145\ninst✝¹ : LeftCancelSemigroup α\ninst✝ : DecidableEq α\ns✝ t✝ : Finset α\na : α\ns : Set α\nt : Finset α\n⊢ (Set.PairwiseDisjoint s fun x => x • t) ↔ Set.InjOn (fun p => p.fst * p.snd) (s ×... | [
1882,
83
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1880,
1
] |
Mathlib/Data/Set/Pointwise/Basic.lean | Set.empty_div | [] | [
623,
20
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
622,
1
] |
Mathlib/Topology/Bornology/Basic.lean | Bornology.IsBounded.all | [] | [
343,
49
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
342,
1
] |
Mathlib/CategoryTheory/Limits/Shapes/WideEqualizers.lean | CategoryTheory.Limits.Trident.equalizer_ext | [
{
"state_after": "no goals",
"state_before": "J : Type w\nC : Type u\ninst✝¹ : Category C\nX Y : C\nf : J → (X ⟶ Y)\ninst✝ : Nonempty J\ns : Trident f\nW : C\nk l : W ⟶ s.pt\nh : k ≫ ι s = l ≫ ι s\n⊢ k ≫ s.π.app one = l ≫ s.π.app one",
"tactic": "rw [← s.app_zero (Classical.arbitrary J), reassoc_of% h]"... | [
289,
71
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
286,
1
] |
Mathlib/Logic/Equiv/Fin.lean | finSuccEquiv'_symm_some_above | [] | [
179,
28
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
177,
1
] |
Mathlib/Algebra/Module/LinearMap.lean | SemilinearMapClass.map_smul_inv | [
{
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"state_before": "R : Type u_2\nR₁ : Type ?u.71884\nR₂ : Type ?u.71887\nR₃ : Type ?u.71890\nk : Type ?u.71893\nS : Type u_1\nS₃ : Type ?u.71899\nT : Type ?u.71902\nM : Type u_5\nM₁ : Type ?u.71908\nM₂ : Type ?u.71911\nM₃ : Type u_3\nN₁ : Type ?u.71917\nN₂ : Type ?u.71920\nN₃ : Ty... | [
179,
38
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
178,
1
] |
Mathlib/MeasureTheory/Function/L1Space.lean | MeasureTheory.all_ae_ofReal_F_le_bound | [] | [
287,
51
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
285,
1
] |
Mathlib/Order/Bounds/Basic.lean | AntitoneOn.map_bddAbove | [] | [
1240,
33
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1239,
1
] |
Mathlib/LinearAlgebra/AffineSpace/Combination.lean | centroid_mem_affineSpan_of_nonempty | [] | [
1230,
84
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1228,
1
] |
Mathlib/GroupTheory/FreeAbelianGroup.lean | FreeAbelianGroup.map_id_apply | [
{
"state_after": "α : Type u\nβ : Type v\nγ : Type w\nx : FreeAbelianGroup α\n⊢ ↑(AddMonoidHom.id (FreeAbelianGroup α)) x = x",
"state_before": "α : Type u\nβ : Type v\nγ : Type w\nx : FreeAbelianGroup α\n⊢ ↑(map id) x = x",
"tactic": "rw [map_id]"
},
{
"state_after": "no goals",
"state_befo... | [
381,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
379,
1
] |
Mathlib/Analysis/Convex/Slope.lean | StrictConvexOn.secant_strict_mono_aux1 | [
{
"state_after": "𝕜 : Type u_1\ninst✝ : LinearOrderedField 𝕜\ns : Set 𝕜\nf : 𝕜 → 𝕜\nhf : StrictConvexOn 𝕜 s f\nx y z : 𝕜\nhx : x ∈ s\nhz : z ∈ s\nhxy : x < y\nhyz : y < z\nhxy' : 0 < y - x\n⊢ (z - x) * f y < (z - y) * f x + (y - x) * f z",
"state_before": "𝕜 : Type u_1\ninst✝ : LinearOrderedField 𝕜... | [
308,
46
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
290,
1
] |
Mathlib/Analysis/Calculus/BumpFunctionInner.lean | Real.smoothTransition.continuous | [] | [
242,
44
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
241,
11
] |
Mathlib/Data/Set/Pointwise/Basic.lean | Set.div_subset_div_right | [] | [
696,
22
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
695,
1
] |
Mathlib/RingTheory/AlgebraicIndependent.lean | algebraicIndependent_equiv' | [] | [
192,
35
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
190,
1
] |
Mathlib/Analysis/ODE/PicardLindelof.lean | PicardLindelof.dist_t₀_le | [
{
"state_after": "E : Type u_1\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\nv : PicardLindelof E\nt : ↑(Icc v.tMin v.tMax)\n⊢ abs (↑t - ↑v.t₀) ≤ tDist v",
"state_before": "E : Type u_1\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\nv : PicardLindelof E\nt : ↑(Icc v.tMin v.tMax)\n⊢ dist... | [
138,
61
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
132,
1
] |
Mathlib/Analysis/Normed/Group/Basic.lean | preimage_mul_closedBall | [
{
"state_after": "case h\n𝓕 : Type ?u.745296\n𝕜 : Type ?u.745299\nα : Type ?u.745302\nι : Type ?u.745305\nκ : Type ?u.745308\nE : Type u_1\nF : Type ?u.745314\nG : Type ?u.745317\ninst✝¹ : SeminormedCommGroup E\ninst✝ : SeminormedCommGroup F\na✝ a₁ a₂ b✝ b₁ b₂ : E\nr✝ r₁ r₂ : ℝ\na b : E\nr : ℝ\nc : E\n⊢ c ∈ (... | [
1537,
95
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
1534,
1
] |
Mathlib/Data/Multiset/Basic.lean | Multiset.count_zero | [] | [
2349,
6
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
2348,
1
] |
Mathlib/Algebra/GroupPower/Lemmas.lean | AddMonoidHom.apply_int | [
{
"state_after": "no goals",
"state_before": "α : Type ?u.353225\nM : Type u\nN : Type v\nG : Type w\nH : Type x\nA : Type y\nB : Type z\nR : Type u₁\nS : Type u₂\ninst✝ : AddGroup M\nf : ℤ →+ M\nn : ℤ\n⊢ ↑f n = n • ↑f 1",
"tactic": "rw [← zmultiplesHom_symm_apply, ← zmultiplesHom_apply, Equiv.apply_sym... | [
919,
81
] | 5a919533f110b7d76410134a237ee374f24eaaad | https://github.com/leanprover-community/mathlib4 | [
918,
1
] |
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