Theorem Finsupp.uniqueAddEquiv_symm_apply_apply

Modification history

2026-05-20 14:21
Mathlib/Algebra/Group/Finsupp.lean
refactor(Data/Finsupp): use `single` in `uniqueEquiv` (#37755) …
Added Finsupp.uniqueAddEquiv_symm_apply_applyView on Github →