del_country(N,C,Cap,CapP,A,Pop) :- ext_del_country(N,C,Cap,CapP,A,Pop), country(N,C,Cap,CapP,A,Pop), not blk_del_country(N,C,Cap,CapP,A,Pop). del_province(P,C,PPop,PA,PCap,PCapProv) :- del_country(N,C,Cap,CapP,A,Pop), province(P,C,PPop,PA,PCap,PCapProv). del_city(CN,C,P,CPop,Long,Lat,El) :- del_country(N,C,Cap,CapP,A,Pop), city(CN,C,P,CPop,Long,Lat,El). del_city(CN,C,P,CPop,Long,Lat,El) :- del_province(P,C,PPop,PA,PCap,PCapProv), city(CN,C,P,CPop,Long,Lat,El). del_isMember(C,O,T) :- del_country(N,C,Cap,CapP,A,P), isMember(C,O,T). del_organization(O,N,Ci,Co,P,E) :- ext_del_organization(O,N,Ci,Co,P,E), organization(O,N,Ci,Co,P,E), not blk_del_organization(O,N,Ci,Co,P,E). del_isMember(C,O,T) :- del_organization(O,N,Ci,Co,P,E), isMember(C,O,T).