proposition: Lemma conj_normC z : `|z|^* = `|z|.
proof: Proof. by rewrite conj_Creal ?normr_real. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(ssrAC div fintype path bigop order finset fingroup) mathcomp(ssralg poly)