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juked07 comments on Anthropic signature: strange anti-correlations - Less Wrong Discussion

51 Post author: Stuart_Armstrong 21 October 2014 04:59PM

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Comment author: juked07 23 October 2014 01:11:50AM 0 points [-]

Then maybe "Imagine that civilization would definitely be destroyed iff there was a..."?

The rest of the post still reads to me as if pandemic + recession is sufficient, not just necessary, for implying extinction. To be explicit, it sounds like you have ruled out the possibility of observing pandemic + recession + non-extinction, I would have thought you'd want to say that pandemic + recession = extinction, rather than the weaker statement that extinction requires pandemic + recession.

Comment author: Stuart_Armstrong 23 October 2014 09:15:43AM 0 points [-]

Go with iff for that example.