document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174146>Question 1174146</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The following are equivalent in boolean algebra <BR>\n" );
document.write( "a + b = b<BR>\n" );
document.write( "a * b = a\r<BR>\n" );
document.write( "\n" );
document.write( "Prove the equivalence of 1 and 2  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #799549 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=799549\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The following are equivalent in boolean algebra <BR>\n" );
document.write( "a + b = b<BR>\n" );
document.write( "a * b = a\r<BR>\n" );
document.write( "\n" );
document.write( "--------------------\r<BR>\n" );
document.write( "\n" );
document.write( "Prove the equivalence of 1 and 2<BR>\n" );
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document.write( "1 and 2 are not equivalent.<BR>\n" );
document.write( "If you meant the statements 1 and 2, you should spec that. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );