Question 984203
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<pre>
  P  ~P   Q   ~Q   ~P -> Q   ~Q -> P

  T   F   T    F      T         T
  T   F   F    T      T         T
  F   T   T    F      T         T
  F   T   F    T      F         F
</pre>

The truth tables are identical, so the statements are equivalent.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \