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Logic and Rhetoric

January 15th, 2020 · 2 Comments

A few entries on logic and rhetoric, from the Scat Noir Encyclopaedia.

ALLITERATIVE METONYMY: A rhetorical device in which a noun is replaced by an associated noun beginning with the same letter; for example: It’s a digestion eat digestion world.

ANAPHORIC APOSTROPHE: A rhetorical device in which a person not present is addressed repeatedly; for example: “O ancestors! O ancestors! O ancestors! O ancestors! O ancestors!”

AUTOSIMILE: A rhetorical device in which something is compared to itself; for example: The sea is as vast as the sea.

HYPERBOLIC LITOTES: A rhetorical device combining overstatement and understatement; for example: It was not too overwhelmingly magnificent.

OXYMORONIC ONOMATOPOEIA: A rhetorical device using a contradictory sound; for example: The bell tolled with a loud pfft.

POLYSYNDETONIC ELLIPSIS: A rhetorical device in which all words are omitted except conjunctions; for example: And or and and.

QUADRATIC SYLLOGISM: A syllogism containing four propositions. The first figure has three premises and one conclusion: All men are mortal; Socrates is a man; Some men have beards; Therefore, Socrates is mortal and may have a beard. The second figure has two premises and two conclusions: All dogs are mammals; All dachshunds are dogs; Therefore, all dachshunds are mammals; Also therefore; some mammals are not dachshunds. The third figure has one premise and three conclusions: Socrates is a man; Therefore, Socrates is not all men; Also therefore, Socrates is not a non-man; Also therefore, Socrates is not all non-men.

SCOTSMAN: No true Scotsman invokes “no true Scotsman.”

TAUTOLOGICAL SYLLOGISM: A syllogism containing only one term. For example: Socrates is Socrates; Socrates is Socrates; Therefore, Socrates is Socrates.

UNCATEGORICAL COPULA: The uncategorical copula replaces the affirmative or negative copula in an uncategorical premise; for example: X is sort of Y; X could be Y; X should be Y; X is not Y, but will do in a pinch; X will be Y when it hatches; X was Y before I broke it; X is Y except for that part on top.

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2 responses so far ↓

  • 1 mamie caton // Jan 20, 2020 at 10:21 am

    I’m not sure which I like best. But I agree. Socrates is Socrates.

  • 2 Doug // Jan 20, 2020 at 1:10 pm

    For some reason, Socrates is often used in sample syllogisms, although he had nothing to say about logic. Maybe logicians just like him.