Реферат: Экспертная система по породам дерева

positive(tree,"Хвойная"),

positive(tree,"Мягкая"),

positive(tree,"Светлая"),

positive(tree,"Смолистая"),!.

tree_is("Сосна"):-

positive(tree,"Хвойная"),

positive(tree,"Мягкая"),

positive(tree,"Светлая"),

positive(tree,"Очень_Смолистая"),!.

tree_is("Столб"):-

positive(tree,"Не_дерево"),

positive(tree,"Очень_Твердый"),!.