This is a funny list of invalid proofs. Some of them are quite common, like the so-called proof by intimidation.
A selection Some blogs :: Ernie’s 3D Pancakes :: My Biased Coin :: Radford Neal’s blog :: Algorithmic Game-Theory/Economics :: bit-player :: Combinatorics and more :: Computational Complexity :: Gödel’s Lost Letter and P=NP :: Gowers’s Weblog :: in theory :: Shtetl-Optimized :: The Geomblog :: the polylogblog :: Theorem of the Day :: What’s[…]
Hello world! This is my first post here. Here you can see how I feel. That’s one small step for a man, one giant leap for mankind …maybe backward