Читать книгу Selected Mathematical Works: Symbolic Logic + The Game of Logic + Feeding the Mind: by Charles Lutwidge Dodgson, alias Lewis Carroll - Lewis Carroll - Страница 16

A Proposition, in normal form, consists of four parts, viz.—

(1) The word “some,” or “no,” or “all.” (This word, which tells us how many Members of the Subject are also Members of the Predicate, is called the ‘Sign of Quantity.’)

(2) Name of Subject.

(3) The verb “are” (or “is”). (This is called the ‘Copula.’)

(4) Name of Predicate.