Commit 2026-04-28 03:07 37edb68a
View on Github →feat(Order/CompleteLattice/Defs): l ≤ sSup s ↔ in CompleteLinearOrder (#38439)
≤ theorems that match the existing b < sSup s ↔ and b < iSup f ↔ theorems.
Also adds an sSup version of the existing CompleteLattice theorem iSup_lt_iff (iSup s < l ↔).