Re:Awesome but Useless
by MattyDub on Tuesday January 03, 2012 @12:36PM
(#3420439)
Sorry, maybe I'm misreading your notation, but are you saying that modus tollens isn't a valid argument?
http://en.wikipedia.org/wiki/Modus_tollens
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Re:Awesome but Useless
by pilgrim689 on Tuesday January 03, 2012 @01:43PM
(#3420742)
I think he's using a logical implication notation "|=".
as in:
A => B
logically implies that:
~B => ~A
He just decided to use "/=" rather than "|="...so it looks weird...