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vangndy vangndy is offline
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Join Date: Mar 2003
Location: Lisle, IL
Posts: 197
Anyone study multivalent logic? Some help needed

I have an assignment and my study was having some difficulty with a problem. We worked for about 2 hours on this problem without coming close to a consensus on how to solve it, and we think some fresh faces might be able to contribute something we have overlooked. Evaluate this argument:

1. If A is contingent, then A is neither necessarily true nor necessarily false
2. If A is indeterminate, then A is neither true nor false, hence neither necessarily true nor necessarily false
3. Therefore, any sentence that has an indeterminate truth value is contingent

We already pointed out that the conlcusion makes a generalization about "any sentence" from the specifc example of A, but the professor said he was looking for something deeper than that. Any ideas or input would be appreciated.
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Old 04-19-2006, 05:14 PM
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