fact: Definition test := [coqeal simpl of sizep (1 + 2%:Z *: 'X + 3%:Z *: 'X^2)].
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat div seq zmodp) mathcomp(path choice fintype tuple finset ssralg bigop poly polydiv) CoqEAL(param refinements pos hrel poly_op) mathcomp(ssrint) CoqEAL(binnat binint)