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March 1, 2015

Posted by **Jen** on Tuesday, July 12, 2011 at 12:00am.

If Nicholas Thompson teaches this course, then I will get a passing grade.

I did not get a passing grade.

∴ Nicholas Thompson did not teach the course.

- Math-geometry -
**Max**, Tuesday, July 12, 2011 at 12:14amAssume that p = Nicholas Thompson teaches this course. Assume q = I will get a passing grade.

The symbolic form is ~q->~p

The truth table is:

p. ~p q. ~q. ~q->~p

T. F T. F. T

T. F F. T. F

F. T T. F. T

F. T F. T. T

So the conclusion is valid.

- Math-geometry -
**bria**, Thursday, July 21, 2011 at 7:48amf t t f f

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