如何调试这个非常简单的 Jess 代码？

Question

(deftemplate bikelife
    (slot name)
    (slot type))

(deffacts bike
    (bikelife (name Strida) (type low_lifestyle))
    (bikelife (name Brompton) (type med_lifestyle))
    (bikelife (name Molton) (type high_lifestyle))
    (bikelife (name Specialized_AlleComp) (type low_sport))
    (bikelife (name Specialized_Tarmac) (type medium_sport))
    (bikelife (name Pinarello_DOGMA_F8) (type high_sport)))
(defrule rule-1
    (budget ?x)
    (test (< ?x 300))
    (use_for lifestyle)
    =>
    (assert (recommend low_lifestyle)))

(defrule rule-2
(budget ?x)
(test (< ?x 300))
(use_for sport)
=>
(assert (recommend low_sport))) 

(defrule rule-3

(budget ?x)
(test (and (> ?x 300) (< ?x <500)))
(use_for lifestyle)
=>
(assert (recommend med_lifestyle)))

(defrule rule-4

(budget ?x)
(test (and (> ?x 300) (< ?x <500)))
(use_for sport)
=>
(assert (recommend med_sport))) 

(defrule rule-5

(budget ?x)
(test (> ?x 500))
(use_for lifestyle)
=>
(assert (recommend high_lifestyle)))    


(defrule rule-6

(budget ?x)
(test (and (> ?x 300) (< ?x <500)))
(use_for sport)
=>
(assert (recommend med_sport)))

(defrule rule-7

(budget ?x)
(test (> ?x 500))
(use_for sport)
=>
(assert (recommend high_sport)))        


(defrule recommend-rule
(recommend ?type)
(bikelife (name ?x) (type ?type))
=>
(printout t crlf "I recommend " ?x " for you." crlf crlf))
(defrule ask-1
=>
(printout t crlf "================================ ")
(printout t crlf "  testing testing testing. ")
(printout t crlf "================================ " crlf crlf)
(printout t "* How much are you going to spend on bike? ")
(assert (budget (read)))
(printout t "* what purpose? ( lifestyle, sport )")
(assert (use_for (read))))
(reset)
(run)

这是我推荐自行车的 Jess 代码。我在代码中没有看到任何错误。我已经尝试了数百次并来到 Stack Overflow 获取一些 帮忙看看。

代码在我获得预算值并通过 300、500 评估时运行，如果预算范围匹配，我会检查用户购买自行车的用途。之后使用事实我想发送推荐消息。我该如何解决这个问题？

Answer 1

这应该或多或少的工作，除了错别字。我看到了其中的一些，例如“tyle”而不是“type”，“user_for”而不是“use_for”，以及在数字 500 的大多数实例之前的杂散“

现有的大部分文档都可以在 Jess 网站 www.jessrules.com 上找到。如果您搜索它们，有一些 YouTube 视频，还有《Jess in Action》一书；它已绝版，但不难找到二手副本。