Can someone help me prove by contradiction that for non-negative integers n, 1+2+3....n = n(n+1) / 2 ?
I know that conradiction proof is when statement p->q, -q ->-p should be true, there for proved by contradiction. However that does not make sense on above statement..
jdh1231
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rubberman
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School work? Sorry, we really don't want to help you cheat... :-( Generate a formal proof and I will help you verify it.
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