Mathlib Changelog
v4
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2026-01-09 08:53
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chore(Order/Defs/Unbundled): deprecate
IsRefl
in favor of core's
Std.Refl
(
#33755
)
Estimated changes
Modified
Mathlib/Algebra/Divisibility/Basic.lean
Modified
Mathlib/Algebra/Group/Commute/Defs.lean
Modified
Mathlib/Algebra/GroupWithZero/Associated.lean
Modified
Mathlib/Algebra/ModEq.lean
Modified
Mathlib/Data/Finset/Defs.lean
Modified
Mathlib/Data/Finset/NoncommProd.lean
Modified
Mathlib/Data/Int/ModEq.lean
Modified
Mathlib/Data/List/Forall2.lean
modified
theorem
List.Sublist.sublistForall₂
modified
theorem
List.forall₂_refl
modified
theorem
List.tail_sublistForall₂_self
Modified
Mathlib/Data/List/Pairwise.lean
modified
theorem
List.Pairwise.head!_le
modified
theorem
List.Pairwise.rel_getLast
modified
theorem
List.Pairwise.rel_get_of_le
modified
theorem
List.Pairwise.rel_head
modified
theorem
List.pairwise_replicate_of_refl
Modified
Mathlib/Data/List/Sort.lean
modified
theorem
List.erase_orderedInsert
Modified
Mathlib/Data/Nat/ModEq.lean
Modified
Mathlib/Data/Prod/Basic.lean
modified
theorem
Prod.Lex.refl_left
modified
theorem
Prod.Lex.refl_right
Modified
Mathlib/Data/Rel.lean
Modified
Mathlib/Data/Set/Basic.lean
Modified
Mathlib/Data/Set/Pairwise/Basic.lean
modified
theorem
Set.pairwise_iff_of_refl
Modified
Mathlib/Data/Sigma/Lex.lean
Modified
Mathlib/Data/Sum/Order.lean
modified
theorem
Sum.LiftRel.refl
Modified
Mathlib/LinearAlgebra/LinearIndependent/Lemmas.lean
Modified
Mathlib/LinearAlgebra/SModEq/Basic.lean
Modified
Mathlib/Logic/Relation.lean
deleted
theorem
IsRefl.reflexive
added
theorem
Std.Refl.reflexive
modified
theorem
reflexive_ne_imp_iff
Modified
Mathlib/MeasureTheory/Measure/AbsolutelyContinuous.lean
Modified
Mathlib/ModelTheory/Equivalence.lean
Modified
Mathlib/Order/Antichain.lean
Modified
Mathlib/Order/Antisymmetrization.lean
modified
theorem
AntisymmRel.of_eq
modified
theorem
AntisymmRel.refl
modified
theorem
AntisymmRel.rfl
modified
theorem
antisymmRel_iff_eq
Modified
Mathlib/Order/Basic.lean
Modified
Mathlib/Order/Comparable.lean
modified
theorem
CompRel.refl
modified
theorem
CompRel.rfl
Modified
Mathlib/Order/Cover.lean
Modified
Mathlib/Order/Defs/Unbundled.lean
modified
theorem
antisymm_iff
modified
theorem
of_eq
modified
theorem
refl
modified
theorem
refl_of
modified
theorem
rel_of_subsingleton
Modified
Mathlib/Order/Filter/IsBounded.lean
modified
theorem
Filter.isBoundedUnder_const
Modified
Mathlib/Order/Interval/Finset/Basic.lean
Modified
Mathlib/Order/Lattice/Congruence.lean
modified
def
LatticeCon.mk'
Modified
Mathlib/Order/Monotone/Basic.lean
modified
theorem
Int.rel_of_forall_rel_succ_of_le
modified
theorem
Nat.rel_of_forall_rel_succ_of_le
modified
theorem
Nat.rel_of_forall_rel_succ_of_le_of_le
Modified
Mathlib/Order/Preorder/Chain.lean
Modified
Mathlib/Order/Quotient.lean
Modified
Mathlib/Order/RelClasses.lean
deleted
theorem
IsRefl.swap
added
theorem
Std.Refl.swap
modified
theorem
ne_of_not_subset
modified
theorem
ne_of_not_superset
modified
theorem
subset_antisymm_iff
modified
theorem
subset_iff_ssubset_or_eq
modified
theorem
subset_of_eq
modified
theorem
subset_refl
modified
theorem
subset_rfl
modified
theorem
superset_antisymm_iff
modified
theorem
superset_of_eq
Modified
Mathlib/Order/RelIso/Basic.lean
modified
def
RelEmbedding.ofMapRelIff
modified
theorem
RelEmbedding.ofMapRelIff_coe
modified
def
RelIso.ofUniqueOfRefl
Modified
Mathlib/Order/RelIso/Set.lean
Modified
Mathlib/Order/WellFoundedSet.lean
Modified
Mathlib/Order/WellQuasiOrder.lean
modified
theorem
Finite.wellQuasiOrdered
Modified
Mathlib/SetTheory/Cardinal/Cofinality.lean
modified
theorem
Order.le_cof
modified
theorem
RelIso.cof_eq
modified
theorem
RelIso.cof_eq_lift
Modified
Mathlib/SetTheory/PGame/Basic.lean
Modified
Mathlib/SetTheory/ZFC/Basic.lean
Modified
Mathlib/SetTheory/ZFC/PSet.lean