Theorem Finsupp.single_eq_set_indicator

Modification history

2026-04-27 20:25
Mathlib/Data/Finsupp/Single.lean
refactor(Data/Finsupp): deprecate direct single ↔ Set.indicator shortcuts, add indicator_eq_set_indicator (#34182) …
Modified Finsupp.single_eq_set_indicatorView on Github →
2025-01-13 13:56
Mathlib/Data/Finsupp/Defs.lean
chore(Data/Finsupp): split off material on `single`, `update`, `erase` (#19087) …
Modified Finsupp.single_eq_set_indicatorView on Github →
2023-03-20 22:50
Mathlib/Data/Finsupp/Defs.lean
feat: add some lemmas about `Finsupp.indicator` (#2258) …
Added Finsupp.single_eq_set_indicatorView on Github →