fact: Definition map_mpoly (f : R -> S) p : {mpoly S[n]} := mmap ((@mpolyC n _) \o f) (fun i => 'X_i) p.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype tuple finfun bigop finset binomial) mathcomp(order fingroup perm ssralg zmodp poly ssrint) mathcomp(matrix vector) mathcomp(bigenough) ssrcomplements freeg