Question 1066635
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1.  ~M
2.  (~M & ~N) -> (Q -> P)
3.  P -> R
4.  ~N                :.  Q -> R

5.  ~M & ~N               1, 4 Conjunction Introduction
6.  Q -> P                5, 2 Modus Ponens
7.  (Q -> P) & (P -> R)   3, 6 Conjuction Introduction
8.  :. Q -> R             7    Hypothetical Syllogism

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John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  

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