Theorem Set.not_top_subset

Modification history

2026-03-17 22:36
Mathlib/Data/Set/Basic.lean
feat(SetTheory/Ordinal/Basic): the `#s`-th element of `α` is an upper-bound for the set's mex (#36539) …
Modified Set.not_top_subsetView on Github →
2025-02-18 10:05
Mathlib/Data/Set/Basic.lean
chore: cleanup of some erws in algebraic geometry (#22028)
Added Set.not_top_subsetView on Github →