Inherence—
Association.

An artificial category is so called because the synthesis is formed by the subjective mind.

The first category of this kind is

Perspection—

which is an artificial arrangement of objects according to a figurative interpretation of certain appearances they present.

The second artificial category I will call

Concretion—

as it is an ideal cohesion of experiences never wholly perceived at once. These two categories are those chiefly responsible for the realistic mode of thought.

The third artificial category is that which is called in science causation, but it is only

Sequence,—