fact: Definition divcm m1 m2 : cmonom I := [cmonom m1 i - m2 i | i in finsupp m1]%M.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq path choice finset fintype finfun) mathcomp(tuple bigop ssralg ssrint ssrnum) xfinmap