A Treatise On Logic, Or, The Laws Of Pure Thought by Francis Bowen

A Treatise On Logic, Or, The Laws Of Pure Thought

byFrancis Bowen

Paperback | July 8, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1864 edition. Excerpt: ... truth, or trying our laws upon new facts, we use deduction, and the Goclenian form is progressive. In an apt but familiar figure,--if I am on the ground floor, and wish to fetch something that is above, my going up stairs is my progress towards my object, and my coming down is a regression; if the positions of myself and the thing are reversed, going down would be progress, and returning up, regress. The inductive truth-seeker is on the ground-floor of facts, and goes up to seek a law; the deductive teacher is on a higher story, and carries his law down with him to the facts. ' This will be clearer from a pair of examples. Goclenian or descending Sorites. Aristotelian or ascending Sorites. Sentient beings seek happiness; Caius is a man; All finite beings are sentient; All men are finite beings; All men are finite beings; All finite beings are sentient; Caius is a man; All sentient beings seek happiness; Therefore Caius seeks happi-Therefore Caius seeks happiness, ness." By way of recapitulation, the chief principles and rules of the Aristotelic doctrine of Syllogism are brought together in the following Conspectus. 10 Mediate Inference Or SylloGism is that act of Thought whereby the relation of the two Terms of a possible Judgment to each other is ascertained by comparing each of them separately with a Third Term. Svi,i,onisMS ClTKOORICAL, in which each of the three Judgments can be expressed under one or the other of these two Formulas:--'A if B; AianotB. General Canoh of Categorical Syllogisms. In so far as two Notions, (Concepts or Individuals,) either both agree, or, one agreeing, the other does not agree, with a common Third Notion, in so far these Notions do, or do not, agree with each other. The Figurh of a Syllogism is determined by the...

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Title:A Treatise On Logic, Or, The Laws Of Pure ThoughtFormat:PaperbackDimensions:138 pages, 9.69 × 7.44 × 0.3 inPublished:July 8, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217437729

ISBN - 13:9780217437721

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