Jul 19, 2010
A brain-breaker: If it’s true, it’s false; if it’s false, it’s true.
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“Inventory Troubles” from Futility Closet:
1. This sentence contains four words.
2. This sentence contains five words.
3. Exactly one sentence in this list is true.
* * * * *
Ah, Gödel’s Incompleteness Theorems. Go look on Amazon for Raymond Smullyan books (like ‘What is the name of this book’). Great stuff.
1. The next statement is true.
2. The previous statement is false.
http://i25.tinypic.com/28v3ax4.jpg
@John Mahan … that was excellent.
Growing up I used to contemplate the thought, “This sentence I am saying is a lie.”
The thing that gets me is how pointless these constructions are.