2025-02-14 12:41
Mathlib/Order/CompleteBooleanAlgebra.lean
feat: `a ≤ b \ c ↔ ∀ d, b ≤ c ⊔ d → a ≤ d` (#21601) …
Added Order.Frame.MinimalAxioms.Order.Coframe.MinimalAxioms.CompleteDistribLattice.MinimalAxioms.CompletelyDistribLattice.MinimalAxioms.le_sdiff_iff