document.write( "Question 251008: This one is nuts\r
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document.write( "A -> (D -> E)
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document.write( "F -> [(A & B) v (A & ~B)]\r
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document.write( "We have to show (F & D) -> E \n" );
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Algebra.Com's Answer #185871 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note that [(A & B) v (A & ~B)] is equivalent to A. So\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "F -> [(A & B) v (A & ~B)] is the same thing as F -> A, hence A -> (D -> E) is the same thing as F -> (D -> E), and (F & D) -> E follows directly.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |