fact: Definition poly_comRingType (R : comRingType) : comRingType := [the comRingType of {poly R}].
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq ssralg ssrint) mathcomp(path choice fintype tuple finset ssralg bigop poly polydiv) mathcomp(zmodp) CoqEAL(hrel param refinements binint poly_op hpoly karatsuba)