John Fan thinks this is interesting: Cartesian product From 1. Games in Normal Form from Essentials of Game Theory by Yoav Shoham, Kevin Leyton-Brown Publisher: Morgan & Claypool Publishers Released: July 2008 Note For sets A and B, the Cartesian product A × B is the set of all ordered pairs (a, b) where a ∈ A and b ∈ B. For example: A = {1,2}; B = {3,4} A × B = {1,2} × {3,4} = {(1,3), (1,4), (2,3), (2,4)} Share this highlight http://learning.oreilly.com/a/essentials-of-game/11284842/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Essentials of Game Theory and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.