proposition: Lemma Frobenius_aut_int n : (n%:~R)^f = n%:~R.
proof: Proof. by rewrite Frobenius_autMz Frobenius_aut1. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(fintype finfun bigop order ssralg countalg ssrnum) mathcomp(poly)