A highly influential work in the history of philosophy of mind and language.

Part I. The Materials of our Knowledge and Especially the Operations of the Soul: Section 1; Section 2. Analysis and generation of the operations of the soul; Section 3. Simple and complex ideas; Section 4; Section 5. Abstractions; Section 6. Some judgments that have been erroneously attributed to the mind, or the solution of a metaphysical problem; Part II. Language and Method: Section 1. The origin and progress of language; Section 2. Method.