 A, may denote that the point D is ordinarily related (in space) to the point C as B is to A , and may in that view be also expressed by writing the ordinal analogy, D . . C : : B . . A ; which admits of inversion and alternation.  Formulaire de mathématiques: t. I-V. - Page 256de Giuseppe Peano - 1903Affichage du livre entier - À propos de ce livre
 | Giuseppe Peano - 1901 - 682 pages
...W. Hamilton, a. 1845, Cambridge Jonrn. tl, p. 47 : «... the symbolic equation, I) — С = В — A, may denote that the point D is ordinarily related...inversion and alternation. » Cette notation est aussi une consequence immédiate des formules de Mofa his a. 1827; plus clairement a. 1844 p. 608; mais ces A.... | |
 | Florian Cajori - 2007 - 393 pages
...z, GSttingen (1904), p. 495513. ton1 in 1845 wrote, ", . . , the symbolic equation, D—G—B—A, may denote that the point D is ordinarily related (in space) to the point C as B is to A, and may in that view be also expressed by writing the ordinal analogy, D..C::B. .A;... | |
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