internal_commutative_monoids,internal_commutative_monoids_label,parent,parent_label
CRing,CRing,Ab,Ab
DGCAlg,DGCAlg,Ch.(Vect_k),Ch.(Vect_k)
BanRing,BanRing,CompNormGrp,CompNormGrp
CommAlg(Ab),CommAlg(Ab),Mod(Ab),Mod(Ab)
NormRing,NormRing,NormGrp,NormGrp
CMon,CMon,Set,Set