Wei Dai wrote:
>How useful is modal logic in dealing with these unknowable and branching
>futures? Modal logic is the logic of possibility and necessity,
>but to make decisions you need to reason about probabilities rather than
>modalities.
This is true only for the antic aristotelian alethic mo
On Wed, Sep 04, 2002 at 10:48:38AM -0700, Tim May wrote:
> And, putting in a plug for modal/topos logic, the essence of nearly
> every interpretation, whether MWI or Copenhagen or even Newtonian, is
> that observers at time t are faced with unknowable and branching
> futures.
How useful is mod
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