document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039719>Question 1039719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two column proof for:<BR>\n" );
document.write( "  (p^q)^(~qvr)^(~rvs)=>s\r<BR>\n" );
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document.write( "Need step and reasoning </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #654483 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=654483\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)   (p^q)^(~qvr)^(~rvs) -----------Hypothesis<BR>\n" );
document.write( "2)    p^q   ------------------------Simplification<BR>\n" );
document.write( "3)   ~qvr   ------------------------Simplification<BR>\n" );
document.write( "4)    ~rvs  ------------------------Simplification<BR>\n" );
document.write( "5)    q    -------------------------Simplification on #2<BR>\n" );
document.write( "6)    r    -------------------------Disjunctive syllogism on #3 and #5<BR>\n" );
document.write( "7)    s    -------------------------Disjunctive syllogism on #4 and #6 </SPAN>\n" );
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