Реферат: Экспертная система по породам дерева

asserta(xpositive(X,Y)).

remember(X,Y,no):-

asserta(xnegative(X,Y)),

fail.

clear_facts:-

retract(xpositive(_,_)),

fail.

clear_facts:-

retract(xnegative(_,_)),

fail.

tree_is("Дуб"):-

positive(tree,"Лиственная"),

positive(tree,"Твердая"),

positive(tree,"Серо_Коричневая"),

positive(tree,"Мелкая_текстура"),!.

tree_is("Бук"):-

positive(tree,"Лиственная"),

positive(tree,"Твердая"),

positive(tree,"Светло_Красная"),

positive(tree,"Крупная_текстура"),!.

tree_is("Осина"):-

positive(tree,"Лиственная"),

positive(tree,"Мягкая"),

positive(tree,"Светлая"),

positive(tree,"Мелкая_текстура"),!.

tree_is("Тис"):-

positive(tree,"Лиственная"),

positive(tree,"Очень_твердая"),

positive(tree,"Темная"),!.