Theorem CompleteLattice.isCompactElement_iff_exists_le_sSup_of_le_sSup

Modification history

2026-09-08 06:43
Mathlib/Order/CompactlyGenerated/Basic.lean
feat(Order): characterise compact elements in atomistic lattices (#43530) …
Deleted CompleteLattice.isCompactElement_iff_exists_le_sSup_of_le_sSupView on Github →
2026-01-15 22:57
Mathlib/Order/CompactlyGenerated/Basic.lean
refactor: generalise compact from CompleteLattice to PartialOrder (#33061) …
Added CompleteLattice.isCompactElement_iff_exists_le_sSup_of_le_sSupView on Github →