Logic by George Hugh SmithLogic by George Hugh Smith


byGeorge Hugh Smith

Paperback | October 12, 2012

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ...two principal kinds may be distinguished, which may be called, respectively, physical and logical--the former dealing with physical substances, the latter with notions or concepts. Of the former kind, the most instructive illustration is presented by chemistry; where these processes are applied directly to matter, which is analyzed by separating its elements, and synthesized by rearranging those elements so as to form new compound substances. These processes are indeed essentially different in nature from the processes with which we are now concerned, yet the analogy between the two is almost perfect; and hence, in chemical analysis and synthesis, we find the best illustration of the nature of analysis and synthesis of notions or terms, by which--in a way very similar to the analysis and synthesis of material bodies--notions are analyzed into elementary notions, and these again synthesized into compound. § 109. Of The World Of Things And The World Of Thought.--The world of things is made up of actual things or substances; the world of thought, of concepts or notions. There is between the two a regular correspondence, i. e., a correspondence determined by invariable law, and yet the two are clearly distinct. For it is obvious that things themselves cannot be in the mind but only, notions or concepts of them. These, as we have seen, if real or true, must correspond, either directly or indirectly, with the things which, or the attributes of which, they are supposed to denote (§ 29, n.). Where the correspondence is indirect, the thing denoted is a quasi-thing only, and cannot be distinguished from the notion itself; but where the correspondence is direct, there is a real thing corresponding to the notion, and we may either regard...
Title:LogicFormat:PaperbackDimensions:56 pages, 9.69 × 7.44 × 0.12 inPublished:October 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217506933

ISBN - 13:9780217506939