proposition: Lemma floor_znat m : floor m == m.
proof: Proof. by rewrite -(range1z_floor m m); apply: range1zz. Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div order) mathcomp(ssralg ssrnum ssrint rat intdiv) Coq(Morphisms Setoid) fourcolor(real realsyntax)