document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=105232>Question 105232</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321233832/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> indicate the union<BR>\n" );
document.write( "{a,b,c} U {a,c} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76684 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=76684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> {a,b,c} U {a,c}={a,b,c}\r<BR>\n" );
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document.write( "Union of sets is the set of ALL elements that belong to those sets.\r<BR>\n" );
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document.write( "You might think that union is combination.And, that I could write:\r<BR>\n" );
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document.write( "{a,b,c} U {a,c}={a,b,c,a,c}\r<BR>\n" );
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document.write( "The problem with this is that a, and c are repeated. this is also correct, but it is not the conventional way. A set is commonly written with distinct elements.\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain! </SPAN>\n" );
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