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Logical Limbo (Posted on 2002-08-12) Difficulty: 4 of 5
Prove that either

a) this problem is solvable

or

b) this problem is unsolvable

See The Solution Submitted by Cheradenine    
Rating: 3.2000 (15 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Solvable or not | Comment 5 of 33 |
(In reply to Solvable or not by Nick Reed)

Youre reasoning is the same line i have followed for this.
However, it just fails to clinch the answer.. For example:

"..if no proof can be generated at all, then the problem is unsolvable - BUT, if this were the case then we have proved that the problem is unsolvable, which results in a paradox again."

i believe there is an inaccuracy here: hypothesizing that "no
proof can be generated at all" does not cause paradox. ie
"if this were the case we have proved that.." is not correct,
since you have not _proved_ that..

i believe this is the right track tho..
  Posted by Cheradenine on 2002-08-13 00:29:49

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