document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026724>Question 1026724</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me complete the conditional proof for this problem: \r<BR>\n" );
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document.write( "(F v ~ G) &#8594; ~ L       .: L &#8594; G </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642000 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <TABLE  border=1>\n" );
document.write( "<tr><th colspan=\"2\">Number</th><th>Statement</th><th>Lines Used</th><th>Reason</th></tr><tr><TD >1.</TD><TD ></TD><TD >(F v ~G) -&gt; ~L</TD><TD ></TD><TD ></TD></tr><tr><TD >:.</TD><TD ></TD><TD >L -&gt; G</TD><TD ></TD><TD ></TD></tr><tr><TD >|</TD><TD >2.</TD><TD >L</TD><TD ></TD><TD >Assumption for Conditional Proof</TD></tr><tr><TD >|</TD><TD >3.</TD><TD >~~L</TD><TD >2</TD><TD >Double Negation</TD></tr><tr><TD >|</TD><TD >4.</TD><TD >~(F v ~G)</TD><TD >1,3</TD><TD >Modus Tollens</TD></tr><tr><TD >|</TD><TD >5.</TD><TD >~F &amp; ~~G</TD><TD >4</TD><TD >De Morgan's Law</TD></tr><tr><TD >|</TD><TD >6.</TD><TD >~F &amp; G</TD><TD >5</TD><TD >Double Negation</TD></tr><tr><TD >|</TD><TD >7.</TD><TD >G &amp; ~F</TD><TD >6</TD><TD >Commutation</TD></tr><tr><TD >|</TD><TD >8.</TD><TD >G</TD><TD >7</TD><TD >Simplification</TD></tr><tr><TD >9.</TD><TD ></TD><TD >L -&gt; G</TD><TD >2-8</TD><TD >Conditional Proof</TD></tr>\n" );
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