V_V comments on Decision Theories, Part 3.5: Halt, Melt and Catch Fire - Less Wrong

31 Post author: orthonormal 26 August 2012 10:40PM

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Comment author: V_V 28 August 2012 01:06:26PM 0 points [-]

proof of mutual defection against itself (emphasis mine)

Hence he's assuming that A = B, if I understand correctly.

Comment author: cousin_it 28 August 2012 01:19:12PM *  2 points [-]

He's saying that program A can find a proof that it cooperates with program A, but if we slightly change the proof ordering in program A and obtain program B, then program B can find a proof that it defects against program B. I still don't see the inconsistency.

Comment author: orthonormal 28 August 2012 04:12:05PM 0 points [-]

Yes, this is what I meant. Thanks!

Comment author: V_V 28 August 2012 02:54:48PM 0 points [-]

Ok, so the proof ordering is considered part of the program, I assumed it was an external input to be universally quantified. Thanks for the clarification.