WebImage transcription text. n 9 A FOL-sentence a is a validity/tautology if and only if: (Note: a and B are metavariables for FOL-sentences) d O a. a entails any FOL-sentence B cross out out of O b. a is true in an interpretation cross out O c. Any FOL-sentence B entails a cross out O d. -a is false in an interpretation cross out. http://www.talkorigins.org/faqs/evolphil/tautology_org_ver.html

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Webtautology: [noun] needless repetition of an idea, statement, or word. an instance of tautology. WebTautology is a literary device whereby writers say the same thing twice, sometimes using different words, to emphasize or drive home a point. It can be seen as redundancy, a style fault that adds needless words to your idea, statement, or content; or it can be defended … 13次党代会文化强省战略

Hikizan Tautology 33 - Read Hikizan Tautology Chapter 33 Online

WebHow to Define Tautology in English. To keep things as simple as possible, tautology just refers to a statement that repeats itself, often in an unnecessary way. Generally speaking, tautology can refer to anything that expresses the same meaning at least two times. You … WebTautologies. A proposition P is a tautology if it is true under all circumstances. It means it contains the only T in the final column of its truth table. Example: Prove that the statement (p q) ↔ (∼q ∼p) is a tautology. Solution: Make the … WebThe fittest are those that survive. Therefore, evolution by natural selection is a tautology (a circular definition). The real significance of this argument is not the argument itself, but that it was taken seriously by any professional philosophers at all. 'Fitness' to Darwin meant not those that survive, but those that could be expected to ... 13次元の世界