has used the theory of speech acts to explore the nature of social/institutional reality, so as to describe such aspects of social reality which he instances under the rubrics of "marriage, property, hiring, firing, war, revolutions, cocktail parties, governments, meetings, unions, parliaments, corporations, laws, restaurants, vacations, lawyers, professors, doctors, medieval knights, and taxes, for example".

Searle argued that such institutional realities interact with each other in what he called