fact: Definition seq_of_rV (v : 'rV_d) : seq F := fgraph [ffun i => v 0 i].
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(div fintype tuple finfun bigop fingroup perm) mathcomp(ssralg zmodp matrix mxalgebra poly polydiv)