document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1050373>Question 1050373</A>: <I><SPAN STYLE=\"word-break: break-all;\"> IS MY ANSWERS CORRECT?\r<BR>\n" );
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document.write( "Let S be the universal set, where: \r<BR>\n" );
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document.write( "S={1,2,3,...,18,19,20} <BR>\n" );
document.write( "Let sets A and B be subsets of S, where: \r<BR>\n" );
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document.write( "Set A={1,2,4,5,8,9,11,12,15,16,17,18,20} \r<BR>\n" );
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document.write( "Set B={2,5,6,7,8,12,14,16,19,20} \r<BR>\n" );
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document.write( "LIST the elements in the set (A&#8745;Bc) = { the answer I have is <BR>\n" );
document.write( "4,9,11,15,17,18 <BR>\n" );
document.write( " \r<BR>\n" );
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document.write( "LIST the elements in the set (B&#8745;Ac) = { the answer I have is 1,6,7,14,19 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #665999 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52790)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=665999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "IS MY ANSWERS CORRECT?\r<BR>\n" );
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document.write( "Let S be the universal set, where: \r<BR>\n" );
document.write( "\n" );
document.write( "S={1,2,3,...,18,19,20} <BR>\n" );
document.write( "Let sets A and B be subsets of S, where: \r<BR>\n" );
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document.write( "Set A={1,2,4,5,8,9,11,12,15,16,17,18,20} \r<BR>\n" );
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document.write( "Set B={2,5,6,7,8,12,14,16,19,20} \r<BR>\n" );
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document.write( "\n" );
document.write( "LIST the elements in the set (A&#8745;Bc) = { the answer I have is <BR>\n" );
document.write( "4,9,11,15,17,18 <BR>\n" );
document.write( " \r<BR>\n" );
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document.write( "LIST the elements in the set (B&#8745;Ac) = { the answer I have is 1,6,7,14,19<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "S        = {1,2,3,...,18,19,20} \r\n" );
document.write( "A        = {1,2,  4,5,    8,9,   11,12,      15,16,17,18,   20} \r\n" );
document.write( "B        = {  2,    5,6,7,8,        12,   14,   16,      19,20} \r\n" );
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document.write( "Bc       = {1,  3,4,        9,10,11,   13,   15,   17,18      }    <<<--- see how I formed the set Bc. \r\n" );
document.write( "                                                                   It is a necessary intermediate part of the solution.\r\n" );
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document.write( "Then\r\n" );
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document.write( "(A n Bc) = {1,    4,        9,   11,         15,   17,18}          <<<--- me, ikleyn\r\n" );
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document.write( "the answer I have is \r\n" );
document.write( "           {      4,        9,   11,         15,   17,18}          <<<--- you, the author \r\n" );
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document.write( "I am very glad that you followed my advise and made your part of the work.\r<BR>\n" );
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document.write( "Your work is good. &nbsp;Almost perfect !<BR>\n" );
document.write( "But, &nbsp;what is even more important, &nbsp;you did it on your own and, &nbsp;I hope, &nbsp;learned something useful and got some new skills.<BR>\n" );
document.write( "! Congratulations !\r<BR>\n" );
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document.write( "Now I can communicate with you as with equal partner.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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