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The Rules of Logic

Taken from Scott Aaronson’s PHYS771 Quantum Computing Since Democritus Propositional Tautologies: A or not A, not(A and not A), etc. are valid. Modus Ponens: If A is valid and A implies B is valid then B is valid. Equality Rules: x=x, x=y implies y=x, x=y and y=z implies x=z, and x=y implies f(x)=f(y) are all [...]

Bayesian Priors and Quantum Mechanics

I was reading The Quantum Times, and it occurred to me that much of the stuff about Alice and Bob sharing a Quantum State, and then Alice changing Bobs particle by measuring hers, strikes me as counter-intuitive. It seems to require non-locality, that spooky action at a distance. Now I see two ways of getting [...]