proposition: Lemma meet_lb_3_assoc_r x y z : x ⊓ (y ⊓ z) ≤ z.
proof: Proof. transitivity (y ⊓ z); now apply meet_lb_r. Qed.
imports: MathClasses.interfaces.abstract_algebra MathClasses.interfaces.orders MathClasses.orders.maps MathClasses.theory.lattices