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sc330_f2016:prolog1 [2018/10/19 21:49]
morse
sc330_f2016:prolog1 [2018/10/19 21:52]
morse
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 ====Notes==== ====Notes====
-  *There are links above to the solutions (not the Prolog code) for these two puzzles. ​ We strong ​encourage taking a few minutes to solve these puzzles by hand so that you get a feel for how to solve them and the "​facts"​ you're extracting from the clues in the puzzle. ​ This will give you a better feel for what you need to encode in your Prolog solution as well as giving you a feel for what Prolog'​s trying to do under the hood.  (And it's fun!)+  *There are links above to the solutions (not the Prolog code) for these two puzzles ​so that you can double-check the results produced by your code.  We strongly ​encourage taking a few minutes to solve these puzzles by hand so that you get a feel for how to solve them and the "​facts"​ you're extracting from the clues in the puzzle. ​ This will give you a better feel for what you need to encode in your Prolog solution as well as giving you a feel for what Prolog'​s trying to do under the hood.  (And it's fun!)
   *Just copy and paste the all_different function. It simply checks to make sure each item in the list is unique.   *Just copy and paste the all_different function. It simply checks to make sure each item in the list is unique.
   *Check spelling errors. There is no such thing as misspelled atoms. So speigel and spiegel are both valid but different.   *Check spelling errors. There is no such thing as misspelled atoms. So speigel and spiegel are both valid but different.
-  *Once you have a solution, ​just check whether ​it satisfies each of the numbered rules in the problem.+  *Once you have a solution, check it against the solutions we provide for the puzzles. ​ If you're getting something different, you might not have constrained the solution by extracting all of the information from the puzzle. ​ (Or you might have just miscoded one of the facts.)
   *These problems make extensive use of the "​not"​ operator, \+.   *These problems make extensive use of the "​not"​ operator, \+.
     * \+ works as you expect when all variables are completely bound.     * \+ works as you expect when all variables are completely bound.
     * If E contains unbound variables, \+E will try to find bindings to that will make E true. If Successful \+ will fail.     * If E contains unbound variables, \+E will try to find bindings to that will make E true. If Successful \+ will fail.
   * This lab is taken from [[http://​www.cis.upenn.edu/​~matuszek/​cis554-2015/​Assignments/​prolog-1-logic-puzzles.html|this site]]. There may be additional resources there.   * This lab is taken from [[http://​www.cis.upenn.edu/​~matuszek/​cis554-2015/​Assignments/​prolog-1-logic-puzzles.html|this site]]. There may be additional resources there.
sc330_f2016/prolog1.txt ยท Last modified: 2021/06/30 23:42 (external edit)