Suppose B is infinite and A is a finite subset of B. Then B - A is infinite.

I am supposed to prove this...

Any advice?

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- Feb 24th 2009, 10:25 PMjzelltProof: infinite set minus a fintie set is infinite
Suppose B is infinite and A is a finite subset of B. Then B - A is infinite.

I am supposed to prove this...

Any advice? - Feb 24th 2009, 10:54 PMsritter27