February 24, 2017

Homework Help: college mathematics

Posted by cody on Friday, February 3, 2012 at 3:17pm.

In Exercises 13–32, determine whether the argument is valid or invalid. You may compare the argument to a standard form, given on page 155, or use a truth table.

∼ x
∴∼ y
there is suppose to be a line between x and the bottom y.

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