proposition: Lemma ltr_int m n : (m%:~R < n%:~R :> R) = (m < n).
proof: Proof. by rewrite ltr_pMz2l. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(fintype finfun bigop order ssralg countalg ssrnum) mathcomp(poly)