Doug_S. comments on Conjunction Fallacy - Less Wrong

25 Post author: Eliezer_Yudkowsky 19 September 2007 01:54AM

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Comment author: Doug_S. 20 September 2007 09:55:10PM 1 point [-]

1.0 is a probability. According to the axioms of probability theory, for any A, P(A or (not A))=1. (Unless you're an intuitionist/constructivist who rejects the principle that not(not A) implies A, but that's beyond the scope of this discussion.)