Question 1175639
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<pre>
   p   q   ~q   r   ~r   (p -> ~r)  (~q ^ r)  [(p -> ~r) V (~q ^ r)}

   T   T   F    T   F       F           F                F
   T   T   F    F   T       T           F                T
   T   F   T    T   F       F           T                T
   T   F   T    F   T       T           F                T
   F   T   F    T   F       T           F                T
   F   T   F    F   T       T           F                T
   F   F   T    T   F       T           T                T
   F   F   T    F   T       T           F                T  

</pre>															
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
*[illustration darwinfish.jpg]

From <https://www.algebra.com/cgi-bin/upload-illustration.mpl> 
I > Ø
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
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