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family

This folder contains an implementation of the classical family tree Prolog example. This solution defines a root category, relations, with predicates for common family relations like sister/2 and father/2. This root category can then be imported into objects defining the actual families using basic female/1, male/1, and parent/2 facts. The relation predicates always calls the basic facts in self. Any number of family objects can be loaded at the same time.

Print Logtalk, Prolog backend, and kernel versions (if running as a notebook):

%versions

Load the example:

logtalk_load(family(loader)).

Some example queries using the Addams family relations:

%%table
addams::sister(Sister, Sibling).

Some example queries using the Simpsons family relations:

%%table
simpsons::mother(Mother, Child).