>>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. > Date: Wed, 19 Feb 2014 14:10:34 +1100 > From: [email protected] > To: [email protected] > 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]> 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] > 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]. > 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. -- 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.
