document.write( "Question 397933: what kInd of process do you use to show that a statement must be true because it cannot be false ? \n" ); document.write( "
Algebra.Com's Answer #281932 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Indirect Proof.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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