Theorem Equiv.Perm.set_support_symm_eq

Modification history

2025-11-18 22:57
Mathlib/GroupTheory/Perm/Support.lean
refactor: make `⇑e⁻¹ = ⇑e.symm` simp (#27433) …
Added Equiv.Perm.set_support_symm_eqView on Github →