being the deduction, and its end the hypothesis. The direct transformation of one thing into another in the dream seems to serve the relationship of cause and effect.

The dream never utters the alternative “either-or,” but accepts both as having equal rights in the same connection. When “either-or” is used in the reproduction of dreams, it is, as I have already mentioned, to be replaced by “and.”

Conceptions which stand in opposition to one another are preferably expressed in dreams by the same element.2 There seems no “not” in dreams.

Opposition between two ideas, the relation of conversion, is represented in dreams in a very remarkable way. It is expressed by the reversal of another part of the dream