djcb comments on Attempts to work around Goedel's theorem by using randomness - Less Wrong

8 Post author: cousin_it 25 April 2011 02:18PM

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Comment author: djcb 25 April 2011 06:03:39PM 0 points [-]

Well, not if you want to proof mathematical theorems.

Still, in some cases it can be useful to trait absolute certainty for only a probabilistic certainty (think bloom filters); and for some game-theoretical strategies it can be beneficial to add actual randomness.

Comment author: loqi 25 April 2011 07:42:18PM 1 point [-]

Indeed. For me, cryptographic hashing is the most salient example of this. Software like git builds entire castles on the probabilistic certainty that SHA-1 hash collisions never happen.