fact: Definition vector_axiom_def (R : ringType) n (V : lmodType R) := {v2r : V -> 'rV[R]_n | linear v2r & bijective v2r}.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype bigop finfun tuple) mathcomp(ssralg matrix mxalgebra zmodp)