ABSTRACT
In this chapter, the author assumes that mental disorders fall into one of two categories, neuroses and psychoses, and ignoring existing criteria used to distinguish one category from the other he shall attempt to distinguish them on the basis of the theory of transformations. He also assumes that the material provided by the analytic session is significant for its being the patient’s view of certain facts which are the origin of his reaction. The author proposes provisional hypotheses as an apparatus for further inquiry. They are to be replaced by formulations to which the realization of psychoanalytic practice more closely approximates. The author considers the state of mind in the patient which makes him see the week-end break as he does, that is, the process of transformation T α. The invariance of rigid motion must be contrasted with invariance peculiar to projective transformations.
