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February 01, 2008

Logic test

Here's an interesting test of your formal logic skills.

Via

Posted by joke du jour at February 1, 2008 07:11 PM

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Comments

93% - I missed the one about the water ....

Posted by: Dave H at February 2, 2008 09:04 AM

Dave

Yeah, that final question was a little tricky - as they admitted in their explanation. Saying

If one defines water as a property that contains two atoms of hydrogen and one atom of oxygen only, then the argument above is valid.
seems a little weasley to me. The distinction between defining 'water' and something that's 'water-like' is a pretty fine one, at least in common English usage.

That's one of the things I've always disliked about verbally-stated logic; it all hinges on how you say it.

Posted by: Anonymous at February 2, 2008 02:35 PM

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