 | Robert Simson - 1806 - Liczba stron: 518
...permutation, or alternately; this word is used when there are four proportionals, and it is See N. inferred, that the first has the same ratio to the third, which...third, as the second to the fourth: as is shown in the 16th prop, of this 5th book. XIV. Invertendo, by inversion ; when there are four proportionals,... | |
 | John Playfair - 1806 - Liczba stron: 311
...permutation, or alternately ; this word is used when there are four proportionals, and it is inferred, that the first has the same ratio to the third which...first is to the third as the second to the fourth. See prop. 16th of this book. XV. Invertendo, by inversion : when there are four proportionals, and... | |
 | Sir John Leslie - 1809 - Liczba stron: 524
...products AD and BC still obtains. PROP. VIII. THEOR. Numbers are likewise proportional by alternation, or the first is to the third as the second to the fourth. Let A: B : : C : 1); then alternately A : C : : B : D. !For the extreme terms are here still retained,... | |
 | Euclid - 1810 - Liczba stron: 518
...or alternately; this See Note, word is used when there are four proportionals, and it is inferred, that the first has the same ratio to the third, which...or that the first is to the third, as the second to |he fourth: as is shown in the 16th prop. of this sth book. XIV. luvertendo, by inversion: when there... | |
 | John Mason Good - 1813
...proportional*, and it is inferred, that the first has the same ratio to the third, « hicli the •econd has to the fourth; or that the first is to the third, as the second to the fourth: as is shewn in the XVI. Prop, of this Book V. 14. Invertendo, by inversion: when there are four proportionals,... | |
 | Euclides - 1814
...permutation, or alternately. This word is used when there are four proportionals, and See N. it is inferred, that the first has the same ratio to the third, which...to the fourth; or that the first is to the third, us the second to the fourth : As is shown in the ICth prop. of this 5th book. XIV. Invertendo, by inversion... | |
 | Euclides - 1816 - Liczba stron: 528
...permutation, or alternately. gee N. This word is used when there are four proportionals, and it is inferred, that the first has the same ratio to the third, which...third, as the second to the fourth : As is shown in the 16th prop. of this 5th book. XIV. Invertendo by inversion ; when there are four proportionals,... | |
 | John Playfair - 1819 - Liczba stron: 333
...permutation, or alternately ; this word is used when there are four proportionals, and it is inferred, that the first has the same ratio to the third which...first is to the third as the second to the fourth :See Prop. 16. of this Book. XV. Invertendo, by inversion : When there are four proportionals, and... | |
 | Euclides - 1821
...alternando ; when it is concluded, that if there be four magnitudes of the same kind proportionals, the first is to the third as the second to the fourth. Note. In this the antecedents are compared with one another, and the consequents with one another;... | |
 | George Crabb - 1823
...order or magnitude of the proportionals, as — Alternate proportion, when the first of four magnitudes has the same ratio to the third which the second has to the fourth ; thus the ratio of A to C, fig. 32, being the same as B to D, the proportion is alternate. — Inverse... | |
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This word is used when there are four proportionals, and it is inferred that the first has the same ratio to the third which the second has to the fourth ; or that the first is to the third as the second to the fourth : as is shown in Prop. 
