proposition: Lemma mxown_morph_ax T : morph_axiom (@sepT _) (@mxown T).
proof: Proof. by split=>[|x y] //; case: x=>//; case: y. Qed.
imports: Coq(ssreflect ssrbool ssrfun) mathcomp(ssrnat eqtype seq) pcm(options prelude pred) pcm(pcm morphism natmap)