Theorem Finsupp.single_eq_indicator

Modification history

2026-04-27 20:25
Mathlib/Data/Finsupp/Indicator.lean
refactor(Data/Finsupp): deprecate direct single ↔ Set.indicator shortcuts, add indicator_eq_set_indicator (#34182) …
Modified Finsupp.single_eq_indicatorView on Github →
2023-03-20 22:50
Mathlib/Data/Finsupp/Defs.lean
feat: add some lemmas about `Finsupp.indicator` (#2258) …
Modified Finsupp.single_eq_indicatorView on Github →
2023-01-27 13:32
Mathlib/Data/Finsupp/Defs.lean
feat: port Data.Finsupp.Defs (#1807)
Added Finsupp.single_eq_indicatorView on Github →