On Sat, Jul 20, 2019 at 4:54 AM Bruno Marchal <[email protected]> wrote:
>> Where is the physical implementation? JavaScript needs hardware, >> without that it's just a sequence of squiggles that can't calculate 2+2. A >> Turing Machine *IS* hardware. > > > *> Of course not. The definition given by Turing is* [...] > The operation of a given diesel engine does not change if you change the definition of a diesel engine, and the same holds true for the engine designed by Mr.Turing. > *a quintuplets* A diesel engine can produce work, the thermodynamic equations describing the operation of a diesel engine can not. A Turing Machine can make calculations, but "a quintuplets" can not. > *> You can see an hardware computer as a abstract immaterial Turing > machine* > There is nothing abstract or immaterial about a paper tape and a read/write head, but everything is abstract and immaterial about a sequence of ASCII characters in Lambda calculus. John K Clark -- 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/CAJPayv2MnBzSi27dU9LypDQk%3DKB0LXhQWND498QVOJUOomfy9g%40mail.gmail.com.
