Belief of religious thought, "belief-that" instead belonged to epistemological considerations. To "believe in" someone or something is a distinct concept from "believing-that." There are at least these types of belief-in: Economic beliefs are beliefs which are reasonably and necessarily contrary to the tenet of rational choice or instrumental rationality. Studies of the Austrian tradition of the economic thought, in the context of analysis of the influence and subsequent degree of change resulting from existing economic knowledge and belief, has contributed the most to the subsequent holistic collective analysis. Insofar as the truth of belief is expressed in sentential and propositional form
Reality principle While some of Freud's ideas may be faulty and others not easily testable, he was a peerless observer of the human condition, and enough of what he proposed, particularly concerning the reality principle, manifests itself in daily life. Rebellion against the constraints of the reality principle, in favour of a belief in infantile omnipotence, appears as a feature of all neurotic behavior - something perhaps seen most overtly in the actions of gamblers. Psychosis can be seen as the result of the suspension of the reality principle, while sleep and dreaming offer a 'normal' everyday example of its decommissioning. Susan