Essays on the powers of the human mind; to which are added, An essay on quantity, and An analysis of Aristotle's logic ..

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Essays on the intellectual powers of man: Preliminary, Of the powers we have by means of our external senses, Of memory, Of conception, Of abstraction, Of judgement, Of reasoning, Of taste

An essay on quantity

Analysis of Aristotle's logic

Essays on the active powers of the human mind: Of active power in general, Of the will, Of the principles of action, Of the liberty of moral agents, Of morals