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OS/2 Shareware BBS: 10 Tools
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lifeos2.zip
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LIFE-1.02
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TESTS
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REFOUT
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RETRACT7.REF
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1996-06-04
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472b
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46 lines
*** Yes
> >
*** Yes
> >
*** Yes
X = (p :- retbool, inc, assert(X), fail).
--1>
*** No
>
_A: p :-
_B: (retbool,
inc,
assert((_A :-
_B)),
fail).
*** Yes
>
*** Yes
>
*** Yes
>
_A: p :-
_B: (retbool,
inc,
assert((_A :-
_B)),
fail).
p :-
fail.
*** Yes
>
*** Yes
>
*** No
>
% 'p' is a user-defined predicate with an empty definition.
dynamic(count)?
count -> 999.
*** Yes
>