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Proof (Posted on 2002-05-29)

Prove that 3.999... = 4

See The Solution Submitted by Half-Mad

Rating: 3.6667 (9 votes)

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alternate proof

| Comment 13 of 45 |

No one seems to have thought of this proof:

Any two different numbers have more different numbers inbetween them. Can you think of a number that's inbetween 3.9999... and 4? I don't think so. Therefore, 3.999... and 4 are the same number.

Posted by Tristan on 2003-10-01 21:10:08

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