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Theorem
Relation.TransGen.symmetric
Modification history
2026-06-10 08:59
Mathlib/Logic/Relation.lean
chore(Order/Defs/Unbundled): deprecate `def Symmetric` in favor of `class Std.Symm` (#38092)
Deleted
Relation.TransGen.symmetric
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2026-01-26 05:40
Mathlib/Logic/Relation.lean
feat(Logic/Relation): transitive closure of symmetric relation is symmetric (#34382) …
Added
Relation.TransGen.symmetric
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