proposition: Lemma meet_lb_3_assoc_m x y z : x ⊓ (y ⊓ z) ≤ y.
proof: Proof. transitivity (y ⊓ z). - apply meet_lb_r. - apply meet_lb_l. Qed.
imports: HoTT.Classes.interfaces.abstract_algebra HoTT.Classes.interfaces.orders HoTT.Classes.orders.semirings HoTT.Classes.theory.lattices