In prolog language write the rules and facts about timetable?

Question

you should be able to find out what lectures you have on a particular day. also you should be able to ask on which days you have lecture of a subject.

Answer 1

Yeah, I can see that.  I can see how all is clear and easy to follow, but then not all play by the rules or load the info on the software, or bother to check it if it is there....but yeah, it should be that way.