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Topic: discrete math logic
Replies: 2   Last Post: Jul 16, 2014 12:49 PM

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akash

Posts: 2
Registered: 7/15/14
discrete math logic
Posted: Jul 15, 2014 1:40 PM
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if a then not b
i.e it must me true that
b then not a
but it is written on a book that this is invalid
reasoning



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