document.write( "Question 790154: Use truth tables to determine if the following arguments are valid.
\n" ); document.write( "a) p-> (q V r)
\n" ); document.write( " p ^ ~r
\n" ); document.write( "________________
\n" ); document.write( " therefore it is ~q\r
\n" ); document.write( "\n" ); document.write( "b)p V ~q
\n" ); document.write( " p -> q
\n" ); document.write( "________________
\n" ); document.write( "therefore p <-> q \n" ); document.write( "

Algebra.Com's Answer #479062 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "p | q | r | ~q | ~r | q v r | p => (q v r) | p ^ ~r\r\n" );
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document.write( "T   T   T   F    F      T        T             F\r\n" );
document.write( "T   T   F   F    T      T        T             T\r\n" );
document.write( "T   F   T   T    F      T        T             F\r\n" );
document.write( "T   F   F   T    T      F        F             T\r\n" );
document.write( "F   T   T   F    F      T        T             F\r\n" );
document.write( "F   T   F   F    T      T        T             F\r\n" );
document.write( "F   F   T   T    F      T        T             F\r\n" );
document.write( "F   F   F   T    T      F        T             F\r\n" );
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document.write( "Where p => (q v r) and p ^ ~r are both true, ~q is false.  Invalid argument.\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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