document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199054>Question 199054</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need your assistant for this problem please help try it twice.  thank you so much.\r<BR>\n" );
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document.write( "1.Determine whether the argument is valid or invalid. \r<BR>\n" );
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document.write( "	A tree has green leaves and the tree produces oxygen.<BR>\n" );
document.write( "	This tree has green leaves<BR>\n" );
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document.write( "	&#61532; This tree produces oxygen.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149609 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=149609\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if x,,,  then  y<BR>\n" );
document.write( "if  x  is  true,,  then  y  is  true<BR>\n" );
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document.write( "if  (a tree  has  green  leaves)   then    (it  produces  oxygen)<BR>\n" );
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document.write( "( a  tree  has  green  leaves)  is  true,,,,,<BR>\n" );
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document.write( "therefore ( it  produces  oxygen ),,,,is  also  true<BR>\n" );
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