proposition: Lemma normcJ (x : R[i]) : `|x^*%C| = `|x|.
proof: Proof. by case: x => a b; simpc; rewrite /= sqrrN. Qed.
imports: HB(structures) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice fintype) mathcomp(bigop order ssralg ssrint div ssrnum rat poly closed_field) mathcomp(polyrcf matrix mxalgebra tuple mxpoly zmodp binomial realalg) mathcomp(mxpoly)