document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195024>Question 1195024</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is it possible to determine whether (Z,*) (* could be any operation) is associative solely on the base that it is invertible, and has the cancelation property?<BR>\n" );
document.write( "Please provide an example. I am struggling to understand this.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #827346 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52852)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=827346\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "About cancellation property, I solved recently a problem at this forum under this link\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1194994.html>https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1194994.html</A>   \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1194994.html\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );