proposition: Lemma seq_min_rt_eq r b (MAX: min_elt r b) : r＊ ⨾⦗eq b⦘ ≡ ⦗eq b⦘.
proof: Proof. rewrite rtE; relsf; rewrite seq_min_t_eq; relsf. Qed.
imports: HahnBase HahnList HahnSets HahnRelationsBasic HahnEquational HahnRewrite HahnMaxElt Arith Setoid