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**reilyj** I am trying to write this proof for class. I am trying to prove by contradiction so I try to prove that 0 is greater than or equal to 1.

"Case 1" gives 1>0 which is a contradiction.

"Case 2" is 1=0, which I can't disprove. Anyone have a proof for that? I've tried a=1 and playing with the algebra (this seems like the right track, though I'm not sure), but I can't get anywhere from there.

I have a test tomorrow, so either a proof that 1 doesn't equal 0 or a big hint would be greatly appreciated.