proposition: Lemma linearPr a : {morph f z : u v / a *: u + v >-> s' a u + v}.
proof: Proof. exact: linearP. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg fingroup zmodp poly ssrnum) mathcomp(matrix mxalgebra vector falgebra ssrnum algC algnum) mathcomp(fieldext) mathcomp(vector)