proposition: Lemma eq_algcreal_to_algdom x : eq_algcreal (to_algcreal (to_algdom x)) x.
proof: Proof. by apply/eq_algcrealP; apply: to_algdomK. Qed.
imports: HB(structures) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq choice fintype) mathcomp(bigop order ssralg ssrnum ssrint rat poly polydiv polyorder) mathcomp(perm matrix mxpoly polyXY binomial generic_quotient) mathcomp(cauchyreals separable zmodp bigenough)