document.write( "Question 1117149: Solve using the methods of Reductio ad Absurdum
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Algebra.Com's Answer #732347 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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  Hint:  The negation of A <=> B is (A * ~B) V (~A * B)
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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