单词 | syllogism |
释义 | Word Frequency syllogism(ˈsɪləˌdʒɪzəm) noun 1. a deductive inference consisting of two premises and a conclusion, all of which are categorial propositions. The subject of the conclusion is the minor term and its predicate the major term; the middle term occurs in both premises but not the conclusion. There are 256 such arguments but only 24 are valid. Some men are mortal; some men are angelic; so some mortals are angelic is invalid, while some temples are in ruins; all ruins are fascinating; so some temples are fascinating is valid. Here fascinating, in ruins, and temples are respectively major, middle, and minor terms 2. a deductive inference of certain other forms with two premises, such as the hypothetical syllogism, ifPthenQ; if Q thenR; so if P then R 3. a piece of deductive reasoning from the general to the particular 4. a subtle or deceptive piece of reasoning Word origin C14: via Latin from Greek sullogismos, from sullogizesthai to reckon together, from sul- syn- + logizesthai to calculate, from logos a discourse |
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