proposition: Fact conj_is_semi_additive : semi_additive (fun u => LtoC (conj_subproof u)).
proof: Proof. by split=> [|u v]; apply: CtoL_inj; rewrite LtoC_K ?raddf0// !rmorphD/= !LtoC_K. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun ssrnat eqtype seq choice) mathcomp(div fintype path bigop finset prime order ssralg) mathcomp(poly polydiv mxpoly generic_quotient countalg) mathcomp(ssrnum closed_field ssrint archimedean rat intdiv) mathcomp(algebraics_fundamentals)