proposition: Lemma eval_mxmodule U e : qf_eval e (mxmodule_form U) = mxmodule rG (eval_mx e U).
proof: Proof. rewrite (morphAnd (qf_eval e)) //= big_andE /=. apply/forallP/mxmoduleP=> Umod x; move/implyP: (Umod x); by rewrite eval_submx eval_mulmx eval_mx_term. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq path) mathcomp(div choice fintype tuple finfun bigop prime) mathcomp(ssralg poly polydiv finset fingroup morphism) mathcomp(perm automorphism quotient finalg action zmodp) mathcomp(commutator cyclic center pgroup matrix mxalgebra) mathcomp(mxpoly)