假设我有这样的规则:
(defrule get_next_N_poz
?id <- (get_next_poz $?)
(world (limit $?) (ball ?b1 ?b2) (men $? ?x ?y - $?) (id ?))
(and
(test (= ?x ?b1))
(test (= ?y (- ?b2 1))))
=>
(printout t "north ready position:" ?x ?y)
(modify ?id (get_next_poz 1)))
如何添加新的“和”?谢谢你。