Theorem Ultrafilter.diff_mem_iff

Modification history

2026-06-09 08:51
Mathlib/Order/Filter/Ultrafilter/Defs.lean
chore: rename `diff` to `sdiff` (#40184) …
Deleted Ultrafilter.diff_mem_iffView on Github →
2023-01-24 20:53
Mathlib/Order/Filter/Ultrafilter.lean
feat: port Order.Filter.Ultrafilter (#1814)
Added Ultrafilter.diff_mem_iffView on Github →