Re: S, B, and a puzzle by Boolos, Smullyan, McCarthy

2004-10-13 Thread Eric Cavalcanti
On Wed, 2004-10-13 at 12:15, Eric Cavalcanti wrote: > As an extra challenge, can you think of a way to > find out if JA=YES in some of the outcomes? It > would involve different questions, but I think it > should be possible in principle. I thought about that problem more, and I am convinced that

Re: S, B, and a puzzle by Boolos, Smullyan, McCarthy

2004-10-13 Thread Bruno Marchal
At 00:57 13/10/04 -0400, Jesse Mazer wrote: Nice work, Eric! Absolutely. I don't really need to add a thing, although when I got the time I will compare Eric's solution with Boolos' one (but I think they are quite the same). It looks Eric solved what Boolos called "The Hardest Logical Puzzle Ever"

RE: Observation selection effects

2004-10-13 Thread Brent Meeker
>-Original Message- >From: Jesse Mazer [mailto:[EMAIL PROTECTED] >Sent: Tuesday, October 05, 2004 11:01 PM >To: [EMAIL PROTECTED]; [EMAIL PROTECTED] >Subject: RE: Observation selection effects > > >>>-Original Message- >>>From: Jesse Mazer [mailto:[EMAIL PROTECTED] >>>Sent: Tuesda