fact: Definition qpoly_mul (q1 q2 : {poly %/ h}) : {poly %/ h} := in_qpoly ((q1 : {poly R}) * q2).
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice fintype tuple) mathcomp(bigop binomial finset finfun ssralg countalg finalg poly polydiv) mathcomp(perm fingroup matrix mxalgebra mxpoly vector countalg)