The tracing model in Prolog describes program execution in terms of certain events. These events are
A. Call and exit
B. Call and fail
C. Call, exit and redo
D. Call, exit, redo and fail
Answer:D
The tracing model in Prolog describes program execution in terms of certain events. These events are
A. Call and exit B. Call and fail C. Call, exit and redo D. Call, exit, redo and fail