And as in any relation, there are two inseparable correlates. I may think about a unicorn as my thought content. My thinking about it is real, the unicorn is not. Structures or abstract systems cannot have them. If a psychical state is to be exemplified, then it can be exemplified only in an individual.
Mental phenomena show a 'twofold energy'.
Each act, whilst directed towards something, at the same time and in passing is reflexively directed towards itself. Being presented with a physical or 'primary' object, e.g. a sound, we are aware of being presented with it. In a mental phenomenon as such, the consciousness of itself, the 'secondary object of perception', is included. This 'secondary inner perception' is a true, self-referential, evident perception in the strict sense. When we judge, we know what the property of judging is and what is logically required if an individual is to have such a property.