wedrifid comments on Rationality quotes: October 2010 - Less Wrong

4 Post author: Morendil 05 October 2010 11:38AM

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Comment author: wedrifid 08 October 2010 12:01:36AM 3 points [-]

You shouldn't waste your effort in attempting 1 in situations when you will almost certainly fail,

Not quite. You want to consider the expected value of the attempt, not the raw probability of success. A 0.1% chance of curing cancer or 'old age' is to be preferred over an 80% chance of winning the X-Factor (particularly given that the latter applies to yourself).

It would definitely be foolish to waste effort attempting something that will certainly fail.

Comment author: James_K 08 October 2010 04:25:29AM 0 points [-]

I agree with your qualifications, I was oversimplifying. And the reason I didn't say certainly fail because I try to avoid using the word "certain" unless I'm dealing with purely logical systems.

Comment author: wedrifid 08 October 2010 04:38:55AM 1 point [-]

And the reason I didn't say certainly fail because I try to avoid using the word "certain" unless I'm dealing with purely logical systems.

A worthy goal. Usually that will prevent you from making claims that are technically wrong despite being inspired by good thinking. This seems to be a rare case where defaulting to not using an absolute introduces the technical problem.

Comment author: James_K 08 October 2010 10:46:26AM 0 points [-]

Just an indication that one should avoid absolutes: even an absolute directive to avoid absolutes ;)