## A History of the Conceptions of Limits and Fluxions in Great Britain, from Newton to Woodhouse |

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actually algebraic Analyst answer appeared approach arrive assignable augments become begin Berkeley Berkeley's body calculus called coincide conceive conception consider consideration continually controversy curve definition demonstrated described determinate difference diminished doctrine doctrine of fluxions edition equal evanescent exist explain expression figure finite quantity fluxions geometrical given gives idea imagination increase increments indivisibles infinitely little infinitely small infinitesimal inscribed instant John Jurin Lemma less limit London magnitude manner Mathematical mathematicians means method method of fluxions moment moments motion moving nascent nature nearer never objection Philalethes Philosophical prime and ultimate Principia principles proportion published Quadrature quotes reach reason rectangle reference Remarks reply represented Review Robins Robins's says sense sides Sir Isaac Newton small quantities Space supposed taken term thing third tion translation Treatise ultimate ratios vanish variable velocity Walton writers

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Page 9 - ... velocity with which the body arrives at its last place, and with which the motion ceases. And in like manner, by the ultimate ratio of evanescent quantities is to be understood the ratio of the quantities not before they vanish, nor afterwards, but with which they vanish. In like manner the first ratio of nascent quantities is that 'with which they'' begin to be. And the first or last sum is that with which they begin and cease to be (or to be augmented or diminished).

Page 63 - And what are these fluxions? The velocities of evanescent increments. And what are these same evanescent increments? They are neither finite quantities, nor quantities infinitely small, nor yet nothing. May we not call them the ghosts of departed quantities?

Page 59 - If with a View to demonstrate any Proposition, a certain Point is supposed, by virtue of which certain other Points are attained; and such supposed Point be...

Page 10 - ... quantities is that with which they begin to be. And the first or last sum is that with which they begin and cease to be (or to be augmented or diminished). There is a limit which the velocity at the end of the motion may attain, but not exceed. This is the ultimate velocity. And there is the like limit in all quantities and proportions that begin and cease to be.

Page 58 - Now, as our Sense is strained and puzzled with the perception of objects extremely minute, even so the Imagination, which faculty derives from Sense, is very much strained and puzzled to frame clear ideas of the least particles of time, or the least increments generated therein; and much more so to comprehend the moments, or those increments of the flowing quantities in statu nascenti, in their very first origin or beginning to exist, before they become finite particles.

Page 188 - Wer wird nicht einen Klopstock loben? Doch wird ihn jeder lesen? - Nein. Wir wollen weniger erhoben. Und fleißiger gelesen sein.

Page 4 - Quantities, and the ratios of quantities, which in any finite time converge continually to equality, and before the end of that time approach nearer to each other than by any given difference, become ultimately equal.

Page 21 - ... described by a continued motion. Lines are described, and thereby generated, not by the apposition of parts, but by the continued motion of points; superficies by the motion of lines; solids by the motion of superficies; angles by the rotation of the sides; portions of time by continual flux: and so on in other quantities. These geneses really take place in the nature of things, and are daily seen in the motion of bodies.

Page 9 - Perhaps it may be objected that there is no ultimate proportion of evanescent quantities; because the proportion, before the quantities have vanished, is not the ultimate, and when they are vanished, is none. But by the same argument, it may be alleged that a body arriving at a certain place, and there stopping, has no ultimate velocity: because the velocity » before the body comes to the place, is not its ultimate velocity; when it has arrived, is none.