cousin_it comments on Avoiding doomsday: a "proof" of the self-indication assumption - Less Wrong

18 Post author: Stuart_Armstrong 23 September 2009 02:54PM

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Comment author: cousin_it 24 September 2009 08:19:44AM 0 points [-]

"every mathematical structure exists"

How do you know that?

Comment author: loqi 25 September 2009 03:52:33AM 0 points [-]

An ensemble-type definition of existence seems more like an attempt to generalize the term than it does an empirical statement of fact. What would it even mean for a mathematical structure to not exist?