proposition: Lemma rdvd0pP n : reflect (n = 0) (rdvdp 0 n).
proof: Proof. by apply: (iffP idP); rewrite rdvd0p; move/eqP. Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype bigop ssralg poly)