0 something that is known to many people but often not made known officially:
It was common knowledge that several doctors at that hospital were incompetent.
If a player's type can be made common knowledge, rational egoists would not survive.
In game theory, it is very difficult to alter the assumption of common knowledge.
A broadside ballad relied not on sheet music but on common knowledge of a tune (it was indicated only by name).
It has always been in the interest of human beings to know that bacteria cause disease but it has only become common knowledge recently.
If it remains stable, common knowledge may have a meaningful linguistic/symbolic representation, such as rules, as we will discuss in more detail shortly.
Note that the assumption of communication being common knowledge is not violated because messages are assumed to be broadcasted to all the agents.
Conditions are derived that describe when the outcome of unanimous voting with private information converges to voting when information is entirely common knowledge.
At first glance, this runs counter to common knowledge and expectations.
