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