document.write( "Question 616188: Determine if the argument is valid or invalid. Give a reason to justify answer.\r
\n" ); document.write( "\n" ); document.write( "If it is cold, then you need a coat.
\n" ); document.write( "You do not need a coat.
\n" ); document.write( "∴ It is not cold. \n" ); document.write( "
Algebra.Com's Answer #387554 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Argument is valid. Contrapositive always has the same truth value as the original statement, i.e. if \"if p then q\" is valid, then \"if not q then not p\" is also valid.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "My calculator said it, I believe it, that settles it
\n" ); document.write( "
\"The

\n" ); document.write( " \n" ); document.write( "
\n" );