fact: Definition mxvec_is_scalable m n := can2_scalable (@vec_mxK R m n) mxvecK.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype finfun bigop finset fingroup perm order) mathcomp(div prime binomial ssralg countalg finalg zmodp)