document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136119>Question 1136119</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.(I.E)>C\r<BR>\n" );
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document.write( "2.C>~C<BR>\n" );
document.write( "/ I<BR>\n" );
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document.write( "<font color=red>The argument is <u>invalid</u></font>\r<BR>\n" );
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document.write( "Explanation:\r<BR>\n" );
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document.write( "Consider these three facts<BR>\n" );
document.write( "* logical statement I = F<BR>\n" );
document.write( "* logical statement E = T<BR>\n" );
document.write( "* logical statement C = F<BR>\n" );
document.write( "where F = false, T = true\r<BR>\n" );
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document.write( "If those three facts are set up, then <BR>\n" );
document.write( "this means I & E = F & T = T<BR>\n" );
document.write( "and it means (I & E) > C = F > F = T<BR>\n" );
document.write( "So the first premise (I & E) > C is true here \r<BR>\n" );
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document.write( "Furthermore, C > ~C = F > ~F = F > T = T<BR>\n" );
document.write( "The second premise C > ~C is true here \r<BR>\n" );
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document.write( "However, the conclusion I is false as set above in the initial conditions.\r<BR>\n" );
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document.write( "Because we have all true premises but they lead to a false conclusion, this means that we do not have a valid argument. \r<BR>\n" );
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document.write( "Here is what the truth table looks like to set up this argument. The blue columns are premises. The green column is the conclusion. The row marked with a red box shows the true premises leading to a false conclusion.<BR>\n" );
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document.write( "</font> </SPAN>\n" );
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