document.write( "Question 1032740: If there is not an afterlife, then all is hopeless. If all is hopeless, despair is the right attitude. Despair is not the right attitude. Therefore, there is an afterlife. (A, H, D) \n" ); document.write( "
Algebra.Com's Answer #647375 by robertb(5830)![]() ![]() You can put this solution on YOUR website! ~A -> H \n" ); document.write( "H -> D \n" ); document.write( "~D \n" ); document.write( "-------- \n" ); document.write( "∴ A\r \n" ); document.write( "\n" ); document.write( "1. ~A -> H -------Hypothesis \n" ); document.write( "2. H -> D -------Hypothesis \n" ); document.write( "3. ~A -> D -------Hypothetical syllogism on #1 and #2 \n" ); document.write( "4. ~D -> ~~A -----Contrapositive of #3 \n" ); document.write( "5. ~D -> A ------double negation \n" ); document.write( "6. ~D ----------Hypothesis \n" ); document.write( "7. A -----------modus ponens on #5 and #6. \n" ); document.write( " |