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Problem with soft-if-then-else #660

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infradig opened this issue Jan 22, 2025 · 1 comment

Contributor

infradig commented Jan 22, 2025

I don't know if you like it but here is another discrepancy: (*->/2)

$ cat ite_3.pl
main :-
     member(X,[true,\+true]),
     ( member(X,[\+true,true,\+true]) *->
         write(here1)
     ; member(X,[true,\+true,true]) *->
         write(here2)
     ),
     write({X}), fail.

$ SWI, EcLiPsE
here1{true}here1{\+true}here1{\+true}

$ tpl ite3_pl # v2.63.25
?- main.
here1{true}here2{true}here2{true}here1{\+true}here1{\+true}

Originally posted by @flexoron in #651

The text was updated successfully, but these errors were encountered:

infradig changed the title ~~soft-if-then-else~~ Problem with soft-if-then-else

Contributor Author

infradig commented Jan 23, 2025 •

edited

Loading

Simplify slightly...

main :-
     member(X,[true,false]),
     ( member(X,[false,true,false]) *->
         write(here1)
     ; write(here2)
     ),
     write({X}), fail.

infradig added a commit that referenced this issue


          Fix for Problem with soft-if-then-else, re issue #660

b611e6c

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