1 Circulation (fluid dynamics), the path integral of the fluid velocity around a closed curve. 2  Circulation (journal), a journal published by the American Heart Association.  Atmospheric circulation, the large-scale movement of air.
An informal fallacy is an argument whose stated premises fail to support their proposed conclusion. Informal fallacies often come about because of an error in reasoning. The premises are then erroneously linked to the conclusion. In contrast to a formal fallacy, the error has to do with issues of inference because language is used to state the propositions; natural language allows to say more than the symbolism of formal logic can represent.
Definition. An informal organization is the social structure of the organization, as opposed to the formal structure of an organization.It establishes how an organization functions from a practical standpoint.n some respects, you can think of an informal organization as: 1  An organization within the formal organization working with it. 2  An organization beside the formal organization working towards the same goals but not necessarily together. 3  Or an organization working outside the formal organization and against it.