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Tough Puzzle (part 2) (Posted on 2007-08-16) Difficulty: 4 of 5
A friend told me to solve TOUGH+TOUGH+TOUGH+TOUGH=PUZZLE, and when I asked for some help, he told me that even if he let me know any of the digits of PUZZLE, I wouldn't be able to solve this. I'm glad he's not an expert in Logic, because what he told me let me deduce the solution. What's the answer?

This metalogic puzzle is entirely the work of Federico Kereki, to whom all credit goes.

See The Solution Submitted by Josie Faulkner    
Rating: 4.5714 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): Question Comment 16 of 16 |
(In reply to re: Question by Penny)

and that was the extent of the computer usage in my solution also.

Edited on August 17, 2007, 5:05 pm
  Posted by Charlie on 2007-08-17 17:05:15

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