wedrifid comments on Causal diagrams and software engineering - Less Wrong

32 Post author: Morendil 07 March 2012 06:23PM

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Comment author: wedrifid 11 March 2012 08:28:31PM 1 point [-]

In von Neumann's defense, he may have said this before the strong negative results in computability theory. Machines cannot do lots of stuff.

There is the overwhelmingly clear implication in von Neumann's claim that the 'something' in question is 'something that a human can do that a machine cannot do'. If we are going to abandon that assumption we can skip computability theory and go straight to "Travel faster than light. Ha!"

Comment author: tut 14 March 2012 05:51:39PM *  0 points [-]

'something that a human can do that a machine cannot do'

Speak English

EDIT: That is an example of what you are looking for.

Comment author: wedrifid 14 March 2012 06:29:11PM 0 points [-]

What there is difficult for you to understand? I can't make it much simpler than that and it seems to be more or less well formed vernacular.

If you are trying in a backhanded way to make the point "Humans are machines! The set you mention is empty!" then yes, that is rather close to von Neumann's point.

Comment author: [deleted] 14 March 2012 07:42:18PM 0 points [-]

If you are trying in a backhanded way to make the point "Humans are machines! The set you mention is empty!" then yes, that is rather close to von Neumann's point.

Indeed, I can't think of any plausible meanings for machine, do and tell which would make that quotation non-tautological but true.

Comment author: wedrifid 14 March 2012 09:25:11PM 0 points [-]

Indeed, I can't think of any plausible meanings for machine, do and tell which would make that quotation non-tautological but true.

And if everyone else was able to see that I guess von Neumann would never have needed to make the statement.!

Comment author: tut 14 March 2012 06:34:43PM 0 points [-]

Sorry. What I meant is that computer programs can't speak English, or any other natural language. When you get a program that can speak English it will most likely be trivial to make a program that does the translation CronoDAS was talking about.

Comment author: wedrifid 14 March 2012 06:41:39PM 0 points [-]

Ahh, I see. I may have been less confused if you replied to the quote directly.

Natural language processing is certainly one task that has not yet been eliminated as a counter-example.