document.write( "Question 674749: I am having a hard time learning the rules of replacement. Can you help me solve this equation?
\n" ); document.write( "1) If I then S
\n" ); document.write( "2) If D, then not S\r
\n" ); document.write( "\n" ); document.write( "The conclusion is not D or not I \n" ); document.write( "
Algebra.Com's Answer #419417 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "(1)    :  Given\r\n" );
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document.write( "(2)    : Given\r\n" );
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document.write( "(3)    :  Law of Excluded Middle\r\n" );
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document.write( "(4)     :  (2) Modus Tolens\r\n" );
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document.write( "(5)    : (2) Modus Tolens\r\n" );
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document.write( "(6)   : (3)  (4) or (5)\r\n" );
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\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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\"The

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