proposition: Lemma cfRepr_dadd rG1 rG2 : cfRepr (dadd_grepr rG1 rG2) = cfRepr rG1 + cfRepr rG2.
proof: Proof. by apply/cfun_inP=> x Gx; rewrite !cfunE Gx mxtrace_block. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype choice ssrnat seq) mathcomp(path div fintype tuple finfun bigop prime order) mathcomp(ssralg poly finset gproduct fingroup morphism) mathcomp(perm automorphism quotient finalg action zmodp) mathcomp(commutator cyclic center pgroup nilpotent sylow) mathcomp(abelian matrix mxalgebra mxpoly mxrepresentation) mathcomp(vector ssrnum algC classfun archimedean)