fact: Definition integralOver (R K : ringType) (RtoK : R -> K) (z : K) := exists2 p, p \is monic & root (map_poly RtoK p) z.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(div fintype tuple finfun bigop fingroup perm) mathcomp(ssralg zmodp matrix mxalgebra poly polydiv)