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Componendo, by composition ; when there are four proportionals, and it is inferred that the first together with the second, is to the second, as the third together with the fourth, is to the fourth.
Elements of Geometry, Geometrical Analysis, and Plane Trigonometry: With an ... - Pągina 155
per Sir John Leslie - 1809 - 493 pągines
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## Universal Technological Dictionary: Or, Familiar Explanations of ..., Volum 2

George Crabb - 1823
...to C, fig. 32, being the same as B to D, the proportion is alternate. — Inverse proportion is when the second is to the first as the fourth to the third, ie B to A as D to C. — Compound proportion is when the first, together with the second, is to the...
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## An Elementary Treatise on Algebra, Theoretical and Practical ...

James Ryan - 1824 - 516 pągines
...fourth. XIV. Invertendo, by inversion, or inversely, when of four proportionals, it is inferred that the second is to the first as the fourth to the third. XV. Componendo, by composition, when it is inferred that the sum of the first and second is to the...
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## A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 pągines
...5th book. XIV. Inrertendo, by inversion : When there are four proportionals, and it is inferred, that the second is to the first, as the fourth to the third. Prop. B. Book 6. XV. Componendo, by composition ; when there are four proportionals, and it is inferred,...
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## The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - 1827 - 513 pągines
...fifth Book. XIV. Invertendo, by inversion ; when there are four proportionals, and it is inferred, that the second is to the first as the fourth to the third. Prop. B. Book 5. XV. Componendo, by composition ; when there are four proportionals, and it is inferred...
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## The First Six Books of the Elements of Euclid, with a Commentary and ...

Euclid, Dionysius Lardner - 1828 - 324 pągines
...bab (461) XV. Invertendo, by inversion ; when there are four proportionals, and it is inferred that the second is to the first as the fourth to the third. Proposition B. Book V. Inversion consists in the transposition of the antecedents and consequents....
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## The first six books of the Elements of Euclid: with notes

Euclid, Thomas Elrington - 1833 - 183 pągines
...proved in prop. 33. 15. By inversion ; when we infer that if there be four magnitudes proportional, the second is to the first as the fourth to the third. Prop. 20. 16. By composition; when we infer that if there be four magnitudes proportional, the sum...
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## The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 pągines
...5th book. XIV. Invertendo, by inversion ; when there are four proportionals, and it is inferred, that the second is to the first, as the fourth to the third. Prop. B. Book 5. XV. Componendo, by composition ; when there are four proportionals, and it is inferred,...
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## An Elementary Treatise on Algebra, Theoretical and Practical ...

James Ryan - 1835 - 361 pągines
...fourth. XIV. Invertendo, by inversion, or inversely, when of four proportionals, it is inferred that the second is to the first as the fourth to the third. XV. Componendo, by composition, when it is inferred that the sum of the first and second is to the...
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## The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 pągines
...fourth. 16. Invertendo, by inversion : when there are four proportionals, and it is inferred, that the second is to the first, as the fourth to the third. 16. Componenda, by composition : when there are four proportionals, and it is inferred, that the first...
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## A System of Popular Geometry: Containing in a Few Lessons So Much of the ...

George Darley - 1836 - 128 pągines
...it stands to the whole circumference, ibid. ART. 170. In a series of four proportional right lines, the second is to the first as the fourth to the third, 116. ART. 171. In a series of four proportional right lines, the first is to tho third as the second...
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