99 Bottles of Beer

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Date:	04/20/05
Author:	Bill Ensinger
URL:	n/a
Comments:	1
Info:	n/a
Score:	(2.50 in 4 votes)

;Written by Bill Ensinger (Bill222E@aol.com) on Saturday February 24, 1996
;8:00 - 9:41 pm Eastern Standard time at Taylor University.
;All praise to God; note that we just pass the beer, but don't drink!

(deftemplate beer
  (field ninetynine))

(deffacts bottles
  (beer (ninetynine 99)))


(defrule Bottlesninetynine ""
  (beer (ninetynine ?bottlenum))
  ?fl <- (beer (ninetynine ?bottlenum))
  (test (> ?bottlenum 2))
  =>
  (printout t ?bottlenum " bottles of beer on the wall," t)
  (printout t ?bottlenum " bottles of beer." t)
  (printout t "Take one down, pass it around," t)
  (printout t (- ?bottlenum 1) " bottles of beer on the wall." t)
  (printout t " " t)
  (modify ?fl (ninetynine =(- ?bottlenum 1)))
)
(defrule Bottlestwo ""
  (beer (ninetynine 2))
  ?fl <- (beer (ninetynine ?bottlenum))
  =>
  (printout t ?bottlenum " bottles of beer on the wall," t)
  (printout t ?bottlenum " bottles of beer." t)
  (printout t "Take one down, pass it around," t)
  (printout t (- ?bottlenum 1) " bottle of beer on the wall." t)
  (printout t " " t)
  (modify ?fl (ninetynine =(- ?bottlenum 1)))
)

(defrule Bottlesone ""
  (beer (ninetynine 1))
  ?fl <- (beer (ninetynine ?bottlenum))
  =>
  (printout t ?bottlenum " bottle of beer on the wall," t)
  (printout t ?bottlenum " bottle of beer." t)
  (printout t "Take one down, pass it around," t)
  (printout t "No more bottles of beer on the wall!" t)
)

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Alternative Versions

Version	Author	Date	Comments	Rate
One rule + sequence _ maps solution	Ken Roger Riggs	01/25/10	0

Comments

as said on 12/18/07 03:07:31

thank you
please help me in the problem with car
starter turning? yes or no
yes(got arry petrol?)yes or no
yes(call the aa)
no(Buy some!)

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