Logic Programming Languages C12.2. Concurrent Programming C12.3. Logic Programming Languages C12.1.1. Prolog Suppose we know the average speeds of several automobiles on a particular racetrack and the amount of time they are on the track.
Queries can request the distance traveled by a particular car.
Concurrent Programming C12.2.1. Only statement and unit levels involve language issues. The execution can be restarted later from the point where it relinquished control. Each processor has its own local memory. One processor is used as the controller for the other processors.