我有以下3个谓词:
times(X, Y):- Result is X * Y. minus(X, Y):- Result is X - Y. plus(X, Y):- Result is X + Y.
我想通过例如times(2,2)在plus(X, Y)这样的plus(times(2,2), minus(X, Y))。
times(2,2)
plus(X, Y)
plus(times(2,2), minus(X, Y))
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