AI::Prolog::ChoicePoint - Create a choicepoint object for the Engine..
No need for you. You should never be seeing this. This little snippet is merely used when backtracking and needing to try other alternatives.
See AI::Prolog for more information. If you must know more, there are plenty of comments sprinkled through the code.
To install AI::Prolog, copy and paste the appropriate command in to your terminal.
cpanm
cpanm AI::Prolog
CPAN shell
perl -MCPAN -e shell install AI::Prolog
For more information on module installation, please visit the detailed CPAN module installation guide.