Write a Data log program analogous to Fig XXXXXXXXXXto compute available expressions. In addition to predicate defines, use a predicate eval (I, X, O, Y) that says statement I causes expression XOY to...

Write a Data log program analogous to Fig. 12.19 to compute available expressions. In addition to predicate defines, use a predicate eval (I, X, O, Y) that says statement I causes expression XOY to be evaluated. Here, O is the operator in the expression, e.g., +.

Fig. 12.19