Prolog . Prolog , . . Prolog. , , , . Prolog "" CLP , . , Prolog , . CLP, , , .
. CurrConstr. . . Prolog . Constr Constr CurrConstr , NewConstr. , , MewConstr. : ) , WewConstr , ; ) , MewCor.str , . , , X < 3 X_< 2, , X < 2. , . , .
14.
CLP , . CLP CLP(A'), X . , CLP(R) , , . CLP(X), , : CLP(Z) , CLP(Q) , CLP(B) CLP(FD) . . , CLP(R) , . , .
CLP(R), CLP(Q) CLP{FD), CLP SICStus Prolog (. " " ).