Theorem Equiv.Perm.Disjoint.symmetric

Modification history

2026-06-10 08:59

Mathlib/GroupTheory/Perm/Support.lean

chore(Order/Defs/Unbundled): deprecate `def Symmetric` in favor of `class Std.Symm` (#38092)

Deleted Equiv.Perm.Disjoint.symmetric View on Github →

2023-01-17 10:45

Mathlib/GroupTheory/Perm/Support.lean

feat: port GroupTheory.Perm.Support (#1614)

Added Equiv.Perm.Disjoint.symmetric View on Github →