Introduction to Cognitive Science

A Logical Puzzle, Part 2

Last Update: 21 February 2011

Note: NEW or UPDATED material is highlighted


Note: A username and password may be required to access certain documents. Please contact Bill Rapaport.


Only one of the following is true about a particular hand of cards:

  1. There is a King in the hand or there is an Ace in the hand, or both.

  2. There is a Queen in the hand or there is an Ace in the hand, or both.

  3. There is a Jack in the hand or there is a 10 in the hand, or both.

Question: Is it possible that there is an Ace in the hand?

Did you think that it is possible that there is an Ace in the hand?

Why?

Click here for the correct answer.


Text copyright © 2011 by William J. Rapaport (rapaport@buffalo.edu)
Any cartoon links or screen-captures appear here for your enjoyment.
They are not meant to infringe on any copyrights held by the creators.
For more information on any image, click on it, or contact me.

http://www.cse.buffalo.edu/~rapaport/575/logical-puzzle.html-20110221