Section OneRepresentation.
Variable gT : finGroupType.
Variables (G : {group gT}) (n : nat) (rG : mx_representation F G n).
Arguments rG _%group_scope : extra scopes.
Local Notation E_G := (enveloping_algebra_mx rG).
Canonical rstabs_group := Group rstabs_group_set.
Definition mxmodule := G \subset rstabs.
End Stabilisers.
Arguments mxmoduleP {m U}.

Lemma rstabS m1 m2 (U : 'M_(m1, n)) (V : 'M_(m2, n)) :
(U <= V)%MS -> rstab rG V \subset rstab rG U.