document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=513679>Question 513679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Also, for the first SLP I want you to put into practice what you have learned about sets and functions.  I want you to create three sets, set A, set B, and set C by going through the items you use at work (or in your field). \r<BR>\n" );
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document.write( "Set A will be a list of all of these items. \r<BR>\n" );
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document.write( "Create Set B, from the items in Set A that you think are essential. \r<BR>\n" );
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document.write( "Create Set C, by taking the complement of Set B in Set A, i.e. all of the non-essential items.\r<BR>\n" );
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document.write( "Are sets B and C proper subsets of set A? Explain.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343090 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=343090\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You seem to phrase your question such that I am the student and I am new to sets. No need to do that.\r<BR>\n" );
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document.write( "Anyway, suppose you are a biologist studying the regeneration properties of planaria. Your set A could consist of items you use while experimenting (e.g. planaria, a microscope, Petri dishes, etc.) while set B could consist of items you use outside of the experiment (a journal, computer, etc.). B and C are still considered proper subsets of A because each subset contains at least one element. </SPAN>\n" );
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