Theorem Finsupp.mem_range_of_mapDomain_ne_zero

Modification history

2026-07-04 08:56
Mathlib/Data/Finsupp/Basic.lean
refactor(Algebra): make `MonoidAlgebra` into a one-field structure (#38714) …
Added Finsupp.mem_range_of_mapDomain_ne_zeroView on Github →