perm filename PROLOG.LOG[W84,JMC] blob sn#744241 filedate 1984-02-24 generic text, type T, neo UTF8
Prolog-20  version 1.0
Copyright (C) 1981, 1983 by D. Warren, F. Pereira and L. Byrd

| ?- [hier1].

hier1 consulted   506 words      0.18 sec.

yes
| ?- ap[fly,X].

***syntax error***
ap
***here***
[fly,X].
|    ap(fly,X)?
|    ap(fly,X).

***syntax error***
ap(fly,X)
***here***
? ap(fly,X).
|    ap(fly,X).

X = tweety 

yes
| ?- ordinarily(adelie,X).