On Wed, Jul 7, 2021 at 11:50 AM Jason Resch <[email protected]> wrote:
> On Tue, Jul 6, 2021, 9:39 PM Bruce Kellett <[email protected]> wrote: > >> On Wed, Jul 7, 2021 at 11:29 AM Jason Resch <[email protected]> wrote: >> >>> On Tue, Jul 6, 2021, 4:07 PM 'Brent Meeker' via Everything List < >>> [email protected]> wrote: >>> >>>> On 7/6/2021 10:34 AM, Jason Resch wrote: >>>> >>>> On Tue, Jul 6, 2021 at 12:27 PM 'Brent Meeker' via Everything List < >>>> [email protected]> wrote: >>>> >>>>> And you're never going to find a being that behaves intelligently >>>>> based on information that can be quantum erased. >>>>> >>>> You need only a quantum computer with enough qubits. >>>> >>>> Can you prove that? How does this quantum intelligence ever arrive at >>>> a definite decision? >>>> >>> >>> Prove? No. But I think I can justify it: >>> >>> 1. Quantum computers are Turing equivalent, they can compute anything a >>> classical computer can. >>> >>> 2. Human brains are believed to operate according to physical laws, all >>> known of which are computable. >>> >>> 3. Humans are conscious. >>> >>> 4. By any of: Chalmers's principle of "Organizational invariance", or >>> "multiple realizability", or the "Generalized Anti-Zombie Principle", or >>> the "computational theory of mind", a functionally equivalent computation >>> to that of a conscious human brain will be equivalently conscious to that >>> brain. >>> >>> 5. Quantum computers are reversible. >>> >>> By 1 & 2, a quantum computer can simulate a human brain. By 3 & 4, such >>> an emulation will be conscious. By 5 any computation performed by a quantum >>> computer can be quantum erased by reversing the circuit back to its >>> starting state. >>> >>> It reaches a definite decision by virtue of completing its processing >>> before ultimately being reversed. This prevents an outside observer from >>> learning the decision, but it's made nonetheless during the course of the >>> processing. >>> >> >> How do you know that it has reached a definite decision? Without having >> it print out some irreversible record? If it prints out a >> (pseudo-)classical record, the initial state is not recoverable. >> >> Bruce >> > > By either: > > 1. Analyzing the circuit > 2. Having the circuit do something useful and verifiable (as in my > factoring example) > 3. Having the circuit output that it did observe a definite value but > without reporting which value it observed (as in Deutsch's original example) > All of these involve decoherence. You have to show that you can decohere part of your QC without decohering the rest. I wish you luck! Bruce -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAFxXSLQizo0ubknrt%2Bjk9grjmCoaMMQ8DScwE9KcS%2BmHVoszaQ%40mail.gmail.com.

