proposition: Lemma conjC_nat n : (n%:R)^* = n%:R :> C.
proof: Proof. exact: rmorph_nat. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(ssrAC div fintype path bigop order finset fingroup) mathcomp(ssralg poly)