document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1209653>Question 1209653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Set a question to prove that (AUB)UC=AU(BUC) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #849750 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(1959)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><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=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=849750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove that for any sets A, B, and C, the following equality holds:\r<BR>\n" );
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document.write( "(A ∪ B) ∪ C = A ∪ (B ∪ C) </SPAN>\n" );
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