books.google.se - Situation Theory grew out of attempts by Jon Barwise in the late 1970s to provide a semantics for 'naked-infinitive' perceptual reports such as 'Claire saw Jon run'. Barwise's intuition was that Claire didn't just see Jon, an individual, but Jon doing something, a situation. Situations are individuals...http://books.google.se/books/about/Situation_Theory_and_Its_Applications.html?hl=sv&id=jjamHI4bKXEC&utm_source=gb-gplus-shareSituation Theory and Its Applications
