proposition: Lemma absz_denq x : `|denq x|%N = denq x :> int.
proof: Proof. by rewrite abszE normr_denq. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype bigop order ssralg countalg div ssrnum) mathcomp(ssrint prime archimedean)