Theorem Set.ncard_diff_singleton_add_one

Modification history

2026-06-09 08:51
Mathlib/Data/Set/Card.lean
chore: rename `diff` to `sdiff` (#40184) …
Deleted Set.ncard_diff_singleton_add_oneView on Github →
2025-05-17 04:25
Mathlib/Data/Set/Card.lean
chore: improve simp set to prepare for improved simpNF linter (#24961)
Modified Set.ncard_diff_singleton_add_oneView on Github →
2024-04-14 10:41
Mathlib/Data/Set/Card.lean
chore: remove autoImplicit from more files (#11798) …
Modified Set.ncard_diff_singleton_add_oneView on Github →
2023-06-06 18:52
Mathlib/Data/Set/Ncard.lean
feat: port Data.Set.Ncard (#4591) …
Added Set.ncard_diff_singleton_add_oneView on Github →