document.write( "Question 363694: how can you prove the conclusion A v ~~B from the premise A v B? \n" ); document.write( "
Algebra.Com's Answer #259405 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
~(~B)=B
\n" ); document.write( "
\n" ); document.write( "
\n" );