 What are situations? The above example seems to suggest that situations are worlds. But situations may be less complete than worlds. That is, they need not have truth-values fixed for statements that are irrelevant to the context. Consider an example by Linstöm: I may know in a given perceptual situation \(s\) that John (one of the participants of a card game) has the best hand and that none of the participants knows this. In this case my knowledge is of one situation \(s^*\), the card game, but my knowledge is acquired in a different situation \(s\), my perceptual situation. Situation \(s^*\) is not only determined, but its relevant information is limited, by the context of the card game. And \(s\) is fixed and limited by the context of the perceptual situation. Edgington prefers talk of situations rather than worlds, because knowledge of non-actual situations, unlike knowledge of non-actual worlds, does not require knowledge of an infinite amount of detail.