xviii.), so vice versa (III.

ii.) the order and connection of modifications of the body takes place in accordance with the manner, in which thoughts and the ideas of things are arranged and associated in the mind.

Q.E.D.
PROP.II.

If we remove a disturbance of the spirit, or emotion, from the thought of an external cause, and unite it to other thoughts, then will the love or hatred towards that external cause, and also the vacillations of spirit which arise from these emotions, be destroyed.
Proof .-- That, which constitutes the reality of love or hatred, is pleasure or pain, accompanied by the idea of an external cause (Def.

of the Emotions, vi.