Re: UDA and interference of histories

2009-01-30 Thread Michael Gough
> > In a sense, I don't see how a computation could be "cancelled" by > > another one. > About a year ago I asked Deutsch about cancellation. My idea was that universes could annihilate each other if a particle was out of phase with its counterpart in another otherwise consistent universe. He said

Re: UDA and interference of histories

2009-01-28 Thread Bruno Marchal
Hi again Günther, > > Again a question for Bruno ;-) > > There are certain arguments (Deutsch, Wallace, Greaves) that propose > that they can derive probabilites (and the Born rule) from decision > theory - although I am not convinced (see for instance Price 2008 - > http://arxiv.org/abs/0802.13