Dodgeball – I Know You

An event is considered common knowledge among a group of agents when each player knows the information, each player knows that the other one knows it, and so on. Common knowledge is the limit of a potentially infinite chain of reasoning about knowledge. In this scene from Dodgeball, White Goodman (Ben Stiller) is trying to assert that common knowledge exists between himself and Pete LaFleur (Vince Vaughn).

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