Theorem Finsupp.single_sub

Modification history

2025-08-07 13:48
Mathlib/Algebra/Group/Finsupp.lean
chore: move algebraic properties of `Finsupp.single` to `Algebra.Group.Finsupp` (#28073) …
Modified Finsupp.single_subView on Github →
2025-01-13 13:56
Mathlib/Data/Finsupp/Basic.lean
chore(Data/Finsupp): split off material on `single`, `update`, `erase` (#19087) …
Modified Finsupp.single_subView on Github →
2023-02-01 05:31
Mathlib/Data/Finsupp/Basic.lean
feat: port Data.Finsupp.Basic (#1949) …
Added Finsupp.single_subView on Github →