document.write( "Question 1202817: 1. (X v B) ⊃ ~J
\n" ); document.write( "2. S ⊃ J
\n" ); document.write( "3. X / ~S \n" ); document.write( "

Algebra.Com's Answer #837983 by math_helper(2461) $\"\"$ $\"About$

You can put this solution on YOUR website!


\n" );
document.write( "1. (X v B) --> ~J       Premise
\n" );
document.write( "2. S --> J              Premise
\n" );
document.write( "3. X                    Premise
\n" );
document.write( "// show ~S 
\n" );
document.write( "4. X v B                3, Addition (ADD)
\n" );
document.write( "5. ~J                   4,1,  Modus Ponens (MP)
\n" );
document.write( "6. ~S                   5,2,  Modus Tollens (MT)
\n" );
document.write( "** Done ** \n" );
document.write( "

\n" );