proposition: Lemma conj_Creal x : x \is real -> x^* = x.
proof: Proof. by move/CrealP. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(ssrAC div fintype path bigop order finset fingroup) mathcomp(ssralg poly)