document.write( "Question 1167696: Setting up a prove in Fitch notation\r
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document.write( "Premises:
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document.write( "PvQ
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document.write( "~QvR\r
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document.write( "Conclusion; PvR \n" );
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Algebra.Com's Answer #792287 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Prove by exhaustive cases.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Assume P, then P v R follows directly\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Assume ~P, then Q follows from P v Q, but if Q, then ~Q v R implies R and therefore P v R.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I > Ø \n" ); document.write( " |