document.write( "Question 1206984: D ⊃ E
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Algebra.Com's Answer #844759 by math_tutor2020(3817)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "In reference to the other tutor's solution, the \"2,3, modus tollens\" should be \"1,3, modus tollens\".
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