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  Topic: Uncommonly Dense: The BlogCzar Years. Er, Months., Record of all the bans and threats at UD< Next Oldest | Next Newest >  

Posts: 2040
Joined: Jan. 2006

(Permalink) Posted: Feb. 14 2012,15:02   

Quote (Petrushka @ Feb 14 2012, 14:37)
I accept the definitional foundation of logic.

I also accept the findings of physics which make the concept of physical existence rather complicated. That just means that physical is not the same as the ideal, just as a physical circle is not an ideal circle.

I thought this was something generally agreed upon. I thought it was the foundation of Platoís thought.

But to answer the specific question, in formal logic, the moon cannot both exist and not exist.

The question faced by physics is somewhat different.

UD Moderator: Thatís not ďnoĒ Petrushka. Goodbye.


And the set of natural numbers is also the set that starts at 0 and goes to the largest number. †-- Joe G

Please stop putting words into my mouth that donít belong there and thoughts into my mind that donít belong there. -- KF

  826 replies since July 29 2007,19:21 < Next Oldest | Next Newest >  

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