Interesting proof

Bangladesh
December 4, 2008 8:27pm CST
Interesting proof we know, study=pass, No study= fail, Now, pass=No fail........(1) No pass=fail.......(2) (1+2)= pass +no pass= no fail + fail or, pass + no pass = fail + no fail or, pass (1+no) = fail (1+no) or, pass = fail [proved]
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