Home > Humor of the Week Archive Detail

<< Prev 10/29/2006 Next >>

Theorem: log(-1) = 0

Proof:

First, by log properties, we know log[(-1)2] = 2 * log(-1)

But, by exponent properties, log[(-1)2] = log(1) = 0

By the transitive property, 2* log(-1) = log(1) = 0

Divide both sides by 2 to get log(-1) = 0.



What's wrong?