The Doctrine of Proportion Clearly Developed: On a Comprehensive, Original, and Very Easy System; Or, The Fifth Book of Euclid Simplified |
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Page ix
... application of proportion to incommen- surable quantities , and demonstrated every case of this kind as it occurred , by means of the reductio ad absur- dum . " This assertion Professor Young very justly b questioned , and has given ...
... application of proportion to incommen- surable quantities , and demonstrated every case of this kind as it occurred , by means of the reductio ad absur- dum . " This assertion Professor Young very justly b questioned , and has given ...
Page x
... applying a new demonstra- tion to Proposition XVIII , in his edition of Euclid , falls into an egregious error , as he employs alternation to quantities whose antecedents might be heteroge- neous : this mistake appears to be very common ...
... applying a new demonstra- tion to Proposition XVIII , in his edition of Euclid , falls into an egregious error , as he employs alternation to quantities whose antecedents might be heteroge- neous : this mistake appears to be very common ...
Page xiv
... application . Nor do we defend the system of showing how in- adequate numbers or letters are to express magnitudes , or their relations to one another ; for it is admirable to see how the parallel propositions agree , although ma- naged ...
... application . Nor do we defend the system of showing how in- adequate numbers or letters are to express magnitudes , or their relations to one another ; for it is admirable to see how the parallel propositions agree , although ma- naged ...
Page 91
... application of numbers is limited ; or that they are not capable of that refined accuracy of expression to which our geometrical notions of things have arrived . The truth is , not one of these conjectures is correct ; for we might as ...
... application of numbers is limited ; or that they are not capable of that refined accuracy of expression to which our geometrical notions of things have arrived . The truth is , not one of these conjectures is correct ; for we might as ...
Page 2
... application and effect of Sluicing and Dredging , and the extent to which they can be applied with advantage ; the origin and application of the Diving - bell ; the composition and application of Water Cements ; the proper form ...
... application and effect of Sluicing and Dredging , and the extent to which they can be applied with advantage ; the origin and application of the Diving - bell ; the composition and application of Water Cements ; the proper form ...
Other editions - View all
The Doctrine of Proportion Clearly Developed: On a Comprehensive, Original ... Oliver Byrne No preview available - 2014 |
Common terms and phrases
2nd edition 6d Reports Algebraical Exposition antecedent ar³ Arches Architect Arithmetical Illustration BILL OF QUANTITIES Birmingham Birmingham Railway Bridge CIVIL ENGINEERS cloth bds common measure Complete Measurer compounded of ratios consequent contains continued proportionals course of mathematics cross order cx dx demonstrations ditto DOCTRINE OF PROPORTION engraved equal equimultiples ex æquali ex f expressed by numbers fifth definition folio four magnitudes four proportionals fraction Fx G geometrical proportion geometry gonal greater ratio half-bound incommensurable india paper infer inversely Keith's Thos last remainder Let A B C D London London Bridge magnitude taken magnitudes are proportionals Mechanics Nicholson's North Midland Railway North Shields number of magnitudes plates Practical Treatise prime PROP quantities Railway Bill ratio compounded remaining ratio second and fourth seventh definition SIR JOHN RENNIE sixth Spilsby Steam Steam-Engine term ratio THEO three magnitudes tion tiple Wilson Lowry ㅁㅁ
Popular passages
Page 10 - The first of four magnitudes is said to have the same ratio to the second, which the third has to the fourth, when any...
Page 2 - Ratio is the relation which one quantity bears to another of the same kind, the comparison being made by considering what multiple, part, or parts, one quantity is of the other.
Page 58 - IF there be any number of magnitudes, and as many others, which, taken two and two, in a cross order, have the same ratio; the first shall have to the last of the first magnitudes the same ratio which the first of the others has to the last. NB This is usually cited by the words
Page 62 - If there be any number of magnitudes, and as many others, which, taken two and two in order, have the same ratio ; the first shall have to the last of the first magnitudes, the same ratio which the first of the others has to the last. NB This is usually cited by the words "ex sequali,
Page 18 - 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...
Page 32 - THAT magnitude which has a greater ratio than another has to the same magnitude, is the greater of the two : and that magnitude, to which the same has a greater ratio than it has to another magnitude, is the less of the two.
Page 21 - IF the first be to the second as the third to the fourth, and if the first be a multiple, or part of the second; the third is the same multiple, or the same part of the fourth...
Page 55 - IF there be three magnitudes, and other three, which, taken two and two, have the same ratio ; if the first be greater than the third, the fourth shall be greater than the sixth ; and if equal, equal ; and if less, less...
Page 14 - IF one magnitude be the same multiple of another, which a magnitude taken from the first is of a magnitude taken from the other ; the remainder shall be the same multiple of the remainder, that the whole is of the whole.
Page 73 - L : and the same thing is to be understood when it is more briefly expressed, by saying A has to D the ratio compounded of the ratios of E to F, G to H, and K to L. In like manner, the same things being supposed, if M has to N the same ratio which A has to D ; then, for shortness...