mathlib

cab0481e - feat(data/finset/lattice): mem_sup, mem_sup' (#7245)

feat(data/finset/lattice): mem_sup, mem_sup' (#7245) Sets with `bot` and closed under `sup` are closed under `finset.sup`, and variations for `inf`, `sup'`, and `inf'`. Co-authored-by: Scott Morrison <scott.morrison@gmail.com>