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Topic: PREDICATE CALCULUS 2
Replies: 23   Last Post: Nov 29, 2012 1:13 AM

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Frederick Williams

Posts: 2,164
Registered: 10/4/10
Re: PREDICATE CALCULUS 2
Posted: Nov 28, 2012 9:36 AM
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Irrelephant newsgroups removed.

Dan Christensen wrote:

> 2. {x | ~x in x} cannot exist
> 3. {x | x=x} cannot exist


Why?

--
When a true genius appears in the world, you may know him by
this sign, that the dunces are all in confederacy against him.
Jonathan Swift: Thoughts on Various Subjects, Moral and Diverting



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