Grammar Of Logic Intellectua

A Grammar of Logic and Intellectual Philosophy on didactic principles, etc

A Grammar of Logic and Intellectual Philosophy

This historic book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1837. Not illustrated. Excerpt: ... BOOK IV. GRAMMAR OF LOGIC. CHAPTER I. OF IDEAS. 443. That the young logician may proceed with perspicuity, we begin with examining Ideas as existing separately, or detached from one another. Ideas, as the impressions made on the mind either by external objects, through the medium of'the senses, or by the consciousness which it has of its own internal operations, have been defined in Articles 34 and 36. Illus. 1. When an external object presents itself to any of the five senses, sight, hearing, taste, touch, smell, some picture, or notion, or conception, of it is formed in the mind; but this picture, or notion, or conception, is totally different from the object, and is called the Idea of it; whereas, the object is called the Archetype of the Idea.' (Art. 38. Illus. 1, 2, 3.) 2. By sight, we receive the greatest number, and the most lively of all our Ideas; as, for example, those of all the visible objects in nature, animated and inanimated, with which we are already acquainted, or can become acquainted. By hearing, we get Ideas of natural and artificial sounds, particularly of the sounds of language, and the important information which they convey. The Ideas of the other three senses, taste, smell, touch, are not nearly so numerous, and they relate mostly to the preservation or the comfortable subsistence of the individual. By taste and smell, we are directed to those aliments which are necessary and salutary, and are diverted from those which are hurtful or destructive. By the touch, we examine the surfaces of bodies, and receive all those Ideas which that operation is qualified to suggest. All the Ideas we acquire through the medium of the external senses, are said to be derived from sensation. (Art. 4].) The only other source of Ideas is our own cons...

A Grammar of Logic and Intellectual Philosophy, on Didactic Principles (1837)

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