document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258099>Question 258099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Informal proof that the real numbers are closed with respect to subtraction. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189957 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=189957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A and B be real numbers, where A > B.<BR>\n" );
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document.write( "If A > B, then A - B is > 0 which is real and closed.<BR>\n" );
document.write( "If A = B, then A - B = 0 and is closed<BR>\n" );
document.write( "If A < B, then a - B < 0, which is real and closed.<BR>\n" );
document.write( "Is this what you were thinking by informal? </SPAN>\n" );
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