Re: An All/Nothing multiverse model

2004-12-13 Thread Bruno Marchal
At 23:12 12/12/04 -0500, Jesse Mazer wrote: Hal Ruhl wrote: At 09:35 PM 12/12/2004, you wrote: Godel's theorem would also apply to infinite axiomatic systems whose axioms are recursively enumerable (computable). But sure, if you allow non-computable axiomatic systems, you could have one that was

Re: An All/Nothing multiverse model

2004-12-13 Thread Hal Ruhl
Hi Jesse and Bruno: To consolidate my response: Yes indeed. Most books give different definition of axiomatic and recursively enumerable, but there is a theorem by Craig which shows that for (most) theories, the notion are equivalent. (See Boolos and Jeffrey for a proof of Craig's theorem).

Re: An All/Nothing multiverse model

2004-12-13 Thread Hal Ruhl
Hi Jesse: I will go over the thread and try to clear things up but I am having eye surgery in the morning and ran out of time. Why would mathematics be the only thing in the All? Is that not a selection? At 07:38 PM 12/13/2004, you wrote: It is controversial that mathematics contains any