Читать книгу Selected Mathematical Works: Symbolic Logic + The Game of Logic + Feeding the Mind: by Charles Lutwidge Dodgson, alias Lewis Carroll - Lewis Carroll - Страница 26

“No one takes in the Times, unless he is well-educated.”

(1) The Subject is evidently persons who are not well-educated (“no one” evidently means “no person”).

(2) The Verb is “takes in,” for which we may substitute the phrase “are persons taking in.”

(3) The Predicate is “persons taking in the Times.”

(4) Let Univ. be “persons.”

(5) The Sign of Quantity is “no.”

(6) The Proposition now becomes

“No | persons who are not well-educated | are | persons taking in the Times.”