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MathGroup Archive 1995

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Re: Logic Problems

  • To: mathgroup at
  • Subject: [mg2454] Re: Logic Problems
  • From: bshoels at (Brett Shoelson)
  • Date: Wed, 8 Nov 1995 23:46:09 -0500
  • Organization: Tulane University

DR JOHN C ERB (TTCJ34A at wrote:
: Can Mathematica be used to solve logic problems?  As a
: simplistic example: Mary is older than Tom; Tom is older
: than Sue; is Mary older than Sue?  I would like to be able
: to do this type of problem without specifying values (i.e., 
: ageMary=35).
: Thank you.
: John C. Erb 

Try this:




{mary, tom, sue}

Of course, this implies some personal bias (namely, "older than" =
"greater than"). Hope this helps.
bshoels at

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