proposition: Lemma meet_lb_3_m x y z : x ⊓ y ⊓ z ≤ y.
proof: Proof. transitivity (x ⊓ y). - apply meet_lb_l. - apply meet_lb_r. Qed.
imports: HoTT.Classes.interfaces.abstract_algebra HoTT.Classes.interfaces.orders HoTT.Classes.orders.semirings HoTT.Classes.theory.lattices