Chapter 4, Metalinguistic Abstraction
Exercise 4.58
There are two cases: (i) Supervisor does not exist (ii) Supervisor exists but does not work in same div.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
;;; Query input:
(assert! (rule (big-shot ?person ?div)
(and (job ?person (?div . ?sub))
(or (not (supervisor ?person ?sup))
(and (supervisor ?person ?sup)
(not (job ?sup (?div . ?sup-subdiv))))))))
Assertion added to data base.
;;; Query input:
(big-shot ?p ?d)
;;; Query results:
(big-shot (warbucks oliver) administration)
(big-shot (scrooge eben) accounting)
(big-shot (bitdiddle ben) computer)