document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1038546>Question 1038546</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1). AvB<BR>\n" );
document.write( "2). C<BR>\n" );
document.write( "3). (A^C)>D<BR>\n" );
document.write( "4). ~(~F^B)/DvF\r<BR>\n" );
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document.write( "I have been working on this for hours. Can someone please help me?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #653254 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=653254\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <TABLE  border=1>\n" );
document.write( "<tr><th>Number</th><th>Statement</th><th>Lines Used</th><th>Reason</th></tr><tr><TD >1</TD><TD >A v B</TD><TD ></TD><TD ></TD></tr><tr><TD >2</TD><TD >C</TD><TD ></TD><TD ></TD></tr><tr><TD >3</TD><TD >(A ^ C) &gt; D</TD><TD ></TD><TD ></TD></tr><tr><TD >4</TD><TD >~(~F ^ B)</TD><TD ></TD><TD ></TD></tr><tr><TD >:.</TD><TD >D v F</TD><TD ></TD><TD ></TD></tr><tr><TD >5</TD><TD >~~F v ~B</TD><TD >4</TD><TD >De Morgan's Law</TD></tr><tr><TD >6</TD><TD >F v ~B</TD><TD >5</TD><TD >Double Negation</TD></tr><tr><TD >7</TD><TD >~B v F</TD><TD >6</TD><TD >Commutation</TD></tr><tr><TD >8</TD><TD >B &gt; F</TD><TD >7</TD><TD >Material Implication</TD></tr><tr><TD >9</TD><TD >~~A v B</TD><TD >1</TD><TD >Double Negation</TD></tr><tr><TD >10</TD><TD >~A &gt; B</TD><TD >9</TD><TD >Material Implication</TD></tr><tr><TD >11</TD><TD >~A &gt; F</TD><TD >10,8</TD><TD >Hypothetical Syllogism</TD></tr><tr><TD >12</TD><TD >~F &gt; ~~A</TD><TD >11</TD><TD >Transposition</TD></tr><tr><TD >13</TD><TD >~F &gt; A</TD><TD >12</TD><TD >Double Negation</TD></tr><tr><TD >14</TD><TD >(C ^ A) &gt; D</TD><TD >3</TD><TD >Commutation</TD></tr><tr><TD >15</TD><TD >C &gt; (A &gt; D)</TD><TD >14</TD><TD >Exportation</TD></tr><tr><TD >16</TD><TD >A &gt; D</TD><TD >15,2</TD><TD >Modus Ponens</TD></tr><tr><TD >17</TD><TD >~F &gt; D</TD><TD >13,16</TD><TD >Hypothetical Syllogism</TD></tr><tr><TD >18</TD><TD >~~F v D</TD><TD >17</TD><TD >Material Implication</TD></tr><tr><TD >19</TD><TD >F v D</TD><TD >18</TD><TD >Double Negation</TD></tr><tr><TD >20</TD><TD >D v F</TD><TD >19</TD><TD >Commutation</TD></tr>\n" );
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