Fun:
Theorem: 3=4.
Proof: Suppose a + b = c .
This can also be written as:
4a β 3a + 4b β 3b = 4c β 3c .
After reorganizing:
4a + 4b β 4c = 3a + 3b β 3c .
Take the constants out of the brackets: 4(a + b β c) = 3(a + b β c).
Remove the same term left and right:
4=3.