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" THEOR. IF the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to the second, as the third is to the fourth... "
The First Six Books of the Elements of Euclid, with a Commentary and ... - Σελίδα 107
των Euclid, Dionysius Lardner - 1828 - 324 σελίδες
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An Elementary Treatise on Algebra: Theoretical and Practical ...

James Ryan - 1826 - 430 σελίδες
...THKOR. If the first be the same multiple of the second, or the same part of it that the third is oi' the fourth ; the first is to the second as the third is to the fourth. DEMONSTRATION. 1. Supposing m to be any integer greater than unity, let mA the first be the same multiple...

Elements of Geometry: Containing the First Six Books of Euclid, with a ...

Euclid, John Playfair - 1826 - 326 σελίδες
...QED ' -. /—PROP. B. THEOR. If the first be the same multiple of the seeond, or the same part of it, that the third is of the fourth ; the first is to the seeond as the third to the fourth. First, if mA, mB be equimultiples of the magnitudes A and B, mA:...

Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - 1832 - 358 σελίδες
...C. Therefore, PROP. B. THEOR. If the first be the same multiple of the second, or the samep\ of it, that the third is of the fourth; the first is to the second the third to the fourth. First, ifmA. mB be equimultiples of the magnitudes A and «A:A::mB:B. Take...

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1835 - 540 σελίδες
...THEOR. If the first of four magnitudes be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to...the fourth. Let the first A be the same multiple of B the second, that C the third is of the fourth D; then A is to B as C is to D. For, of A and C take...

The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 488 σελίδες
...taken inversely. B. If the first be the saine multiple of the second, or the same part of it, thut the third is of the fourth; the first is to the second as the third to the fourth. C. If the first be to the second as ths tlu'rd to the fourth ; and if the first be a...

Popular Mathematics: Being the First Elements of Arithmetic, Algebra, and ...

Robert Mudie - 1836 - 524 σελίδες
...of the first divided by the second is equal to the quotient of the third divided by the fourth, then the first is to the second as the third is to the fourth, or the ratio of the first and second is equal to the ratio of the third and fourth ; because these...

Popular Mathematics: Being the First Elements of Arithmetic, Algebra, and ...

Robert Mudie - 1836 - 542 σελίδες
...of the first divided by the second is equal to the quotient of the third divided by the fourth, then the first is to the second as the third is to the fourth, or the ratio of the first and second is equal to the ratio of the third and fourth ; because these...

The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid, James Thomson - 1837 - 410 σελίδες
...magnitudes, &c. PROP. C. THEOR. IF the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to...the fourth. Let the first A be the same multiple of B the second, that C the third is of D the fourth ; then A : B : : C : D. Take of A and C any like...

Elements of Plane Geometry According to Euclid

Andrew Bell - 1837 - 290 σελίδες
...C. PROPOSITION B. THEOREM. If the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to the second as the third to the fourth. First, if mA, mB, be equimultiples of the magnitudes A and B, mA : A : : mB : B. Take...

The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1838 - 434 σελίδες
...magnitudes, &c. QED PROP. C. THEOR. IF the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to...the fourth.* Let the first A be the same multiple of B the second that C the third is of the fourth D : A is to B as C is to D. Take of A and C any equimultiples...




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