All Of The Crap They Send Me

This is a puzzle that was sent to me by a friend of mine. As a result I put a contract out on his life – for I haven’t been able to regain my piece of mind since. It was published by a dude called Boolos and attributed to another guy called Smullyan. I didn’t come up with this title – hardest logic puzzle ever – it is the title used by Boolos for his paper. He must have been reading digg that day. Anyway it really is hard. Don’t keep reading if you want to keep your sanity intact!

(more…)