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I forgot to mention the database format :
(You can understand it from the source, but I'll take a low profile as I provided no doc AT ALL :-)

*******database.txt**********
add_fact(theory=> qw(foo bar baz));
add_fact(theory=> qw(foo tac toe));
add_fact(theory=> qw(tic tac toe));
add_fact(theory=> qw(tac lac toe));
*******database.txt**********

Now a little example on how to use it :

*********try.pl**********
#!/usr/bin/perl -w use strict; #use Devel::StealthDebug; use lib '.'; use Perlog; use Perlog2; #my $pg = AI::Perlog->new; my $pg2 = AI::Perlog2->new; #$pg->load_from_file('database.txt'); $pg2->load_from_file('database.txt'); # # Perlog2 should definitly export display ;-) # AI::Perlog2::display($pg2->theory(qw/$x tac $y/)); print "*********\n"; AI::Perlog2::display($pg2->theory(qw/? $x tac $y/)); print "*********\n"; AI::Perlog2::display($pg2->theory(qw/tic tac toe/)); print "*********\n"; AI::Perlog2::display($pg2->theory(qw/tIc tac toe/)); *********try.pl**********<br>

I've updated the display function's code in my previous post to handle 'false' answers.

"Only Bad Coders Code Badly In Perl" (OBC2BIP)

In reply to Re: AI::Perlog Unification help by arhuman
in thread AI::Perlog Unification help by Ovid

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