document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=487817>Question 487817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove: P(A1 U A2 U.....U Ak) = P(A1) + P(A2) + ....+P(Ak) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #333174 by </B><A HREF=/tutors/aboutme.mpl?userid=chessace><B>chessace(471)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chessace><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=chessace><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=333174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need another assumption to complete this proof.<BR>\n" );
document.write( "Namely that the Aj are indepenent.<BR>\n" );
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