Math Jokes

Theorem: 1 + 1 = 2

Proof:

n(2n - 2) = n(2n - 2)

n(2n - 2) - n(2n - 2) = 0

(n - n)(2n - 2) = 0

2n(n - n) - 2(n - n) = 0

2n - 2 = 0

2n = 2

n + n = 2

or setting n = 1

1 + 1 = 2