document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=761162>Question 761162</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you prove/show that the following is a tautology, without using a truth table: [(p v q) ^ (p -> r) ^ (q -> r)] -> r </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463096 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=463096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "go to http://www.rci.rutgers.edu/~cfs/472_html/Logic_KR/proplogic_proofs472.html\r<BR>\n" );
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document.write( "scroll down to <BR>\n" );
document.write( "\"A Semantic Proof\" </SPAN>\n" );
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