metaeducation metaeducation What, no proof? :) Here's one: http://hostilefork.com/2009/12/24/six-dudeney-numbers-proof/ Posted on Dec 25, 2009

## metaeducation

## metaeducation

What, no proof? :) Here's one: http://hostilefork.com/2009/12/24/six-dudeney-numbers-proof/