Russell Standish wrote:
On Thu, May 14, 2015 at 02:51:00PM +1000, Bruce Kellett wrote:
But we are always going to have difficulty assigning a truth value
to a counterfactual like: "The present king of France has a beard."
I would expect that somewhere in the Multiverse, France still has a
king in 2015, and has a beard, and somewhere else where he doesn't.
If you are talking of a separate universe outside our Hubble volume then
you are going to have difficulty defining exactly what you mean by 'now'
or '2015'. The other worlds of the MWI are not even in the same
universe, so you are going to have even more difficulty in assigning a
truth value to the proposition.
Philosophical 'possible worlds' are quite distinct from multiverse ideas.
Bruce
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