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View Diary: Midday open thread: rayguns coming, death penalty support falls, 'War of the Worlds' caused no panic (52 comments)

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  •  My favorite result in modal logic (1+ / 0-)
    Recommended by:

    is the Biblical Literalist Paradox (my name).

    You can believe that you believe something that you do not in fact believe.
    Like literal Biblical inerrancy. You know, that Bible that talks about the sky being solid (the firmament); or Cain's descendants after the Flood; or the genealogy of Jesus through Joseph (Well, OK, we could believe that, but they aren't allowed to); and dozens of other such cases. There are whole libraries of excuses for not taking the text of the Bible literally where it contradicts itself or makes no sense whatsoever.

    Ceterem censeo, gerrymandra delenda est

    by Mokurai on Wed Oct 30, 2013 at 01:57:44 PM PDT

    [ Parent ]

    •  First order logic has been extremely useful (0+ / 0-)

      in mathematics, but modal logic has been pretty sterile -- mathematicians just don't use it.

      As an account of reasoning, modal logic is a misguided attempt at a kind of a priori neuroscience. Bayesian logic at least is equivalent to a very simplified model of how neurons compute.

    •  It depends what you mean by belief, though (0+ / 0-)

      I'd need to understand what the restriction(s) on logic that modal logic imposes is.

      You can believe you believe that all people are all equal, when in fact you don't, as you have beliefs (or more commonly values-- systems for constructing beliefs, which construct contradictory beliefs here) that contradict that.

      atana, do you base that on something ontheleftcoast said, or do you know the details of the "proof" they're referring to?

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