proposition: Lemma transp_seq_eqv_max_r r : (r⁻¹)^? ⨾ ⦗max_elt r⦘ ≡ ⦗max_elt r⦘.
proof: Proof. rewrite crE; relsf; rewrite transp_seq_eqv_max; relsf. Qed.
imports: HahnBase HahnList HahnSets HahnRelationsBasic HahnEquational HahnRewrite Arith Setoid