scmbradley comments on Rationality Quotes February 2012 - Less Wrong

5 [deleted] 01 February 2012 09:03PM

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Comment author: scmbradley 02 February 2012 01:41:43PM 18 points [-]

Anyone who can handle a needle convincingly can make us see a thread which isn't there

-E.H. Gombrich

Comment author: Will_Newsome 10 February 2012 11:31:20AM 2 points [-]

Is that true or is Gombrich just handling a needle convincingly?

Comment author: wiresnips 10 February 2012 10:55:20PM 1 point [-]

Either both are true, or neither.

Comment author: Will_Newsome 11 February 2012 06:34:47AM *  0 points [-]

Yeah, I spent a few minutes as I was falling asleep trying to rationalize that but don't remember if I came up with anything sensible.

ETA: Something to do with metaphors and level-crossing.

Comment author: pedanterrific 11 February 2012 10:50:42PM 0 points [-]

How's that then? Suppose Gombrich is Hing a NC, it doesn't follow that anyone who can HaNC can make us see nonexistent thread; perhaps it's necessary but not sufficient. On the other hand, maybe it is true that anyone who can HaNC can make us see things, but Gombrich is fumbling his needle- it's just not noticeable because the thread actually exists in that case.