On Tuesday, February 18, 2014 10:42:48 PM UTC-5, chris peck wrote: > > >>how can facts exist that are not grounded in observation at some point? > > Russell and Liz are wandering around the countryside and Liz points at the > ground and says: > > "there's a gold coin buried right there." > > Russell says: > > "no there isn't" > > They both walk on without looking. And in the subsequent march of history > no - one ever looks. > > Surely, at least one unobserved fact was stated? Maybe even 2 if you are > an MWIer. >
I dig and find a chocolate coin wrapped in gold foil. There are no facts until they have been realized directly or indirectly as a sensory experience. Craig > > > Date: Wed, 19 Feb 2014 14:10:34 +1100 > > From: [email protected] <javascript:> > > To: [email protected] <javascript:> > > Subject: Re: What are numbers? What is math? > > > > On Wed, Feb 19, 2014 at 02:34:57PM +1300, LizR wrote: > > > On 19/02/2014, Russell Standish <[email protected] <javascript:>> > wrote: > > > > > > > > Which ones? How can unobserved facts exist? > > > > > > You can observe their consequences without observing the facts. E.g. > > > millions of people have observed that the sun shines without > > > understanding or knowing about nuclear fusion. > > > > > > > Yes - but obviously nuclear fusion is an observed fact (somewhere in > > the Multiverse). > > > > > But maybe you mean how can facts exist that are not grounded in > > > observation at some point? > > > > > > > Yes, that is what I mean. But Brent talked about unobserved facts, so > > we'd better let him elaborate what he means. > > > > -- > > > > > ---------------------------------------------------------------------------- > > Prof Russell Standish Phone 0425 253119 (mobile) > > Principal, High Performance Coders > > Visiting Professor of Mathematics [email protected] <javascript:> > > University of New South Wales http://www.hpcoders.com.au > > > ---------------------------------------------------------------------------- > > > > -- > > You received this message because you are subscribed to the Google > Groups "Everything List" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <javascript:>. > > To post to this group, send email to > > [email protected]<javascript:> > . > > Visit this group at http://groups.google.com/group/everything-list. > > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.

