document.write( "Question 802791: Construct a formal proof in fitch format for the following:\r
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document.write( "1. Premise: A->B
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document.write( " Conclusion: A->(BvC)\r
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document.write( "2. No premise
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document.write( " Conclusion: P->(Q->P)\r
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document.write( "3.Premise: P<->~P
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document.write( " Conclusion: ⊥ \n" );
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Algebra.Com's Answer #483996 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For the first one you can use (B V C) -> B by Simplification.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "Egw to Beta kai to Sigma \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |