proposition: Lemma lt_1_4 : 1 < 4.
proof: Proof. apply pos_plus_lt_compat_r, lt_0_3. Qed.
imports: HoTT.Classes.theory.apartness HoTT.Classes.interfaces.abstract_algebra HoTT.Classes.interfaces.orders HoTT.Classes.theory.rings HoTT.Classes.orders.orders HoTT.Classes.orders.maps