Identify what you can properly conclude from the given premises:P: A → MP: not X → JP: X → not MC: ?

bashley1 September 1, 2016

Complete the argument

How do you complete this argument? P:A > M P:not X > J P:X > not M C: ?

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Mehran September 2, 2016

@bashley1 these premises can be connected as follows:

A ==> M ==> not X ==> J

This is with P1, the contrapositive of P3 and P2.

The contrapositive of this chain is:

not J ==> X ==> not M ==> A

This allows us to conclude:

A ==> J
not J ==> not A

Hope this helps! For a more in-depth review of these concepts, please watch our video lesson on Sufficient & Necessary conditions.