## Sir Isaac Newton's Two Treatises: Of the Quadrature of Curves, and Analysis by Equations of an Infinite Number of Terms, Explained: Containing the Treatises Themselves, Translated Into English, with a Large Commentary: in which the Demonstrations are Supplied where Wanting, the Doctrine Illustrated, and the Whole Accommodated to the Capacities of Beginners, for Whom it is Chiefly DesignedJ. Bettenham, at the expence of the Society, 1745 - 479 sider |

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### Andre udgaver - Se alle

Sir Isaac Newton's Two Treatises: Of the Quadrature of Curves, and Analysis ... Isaac Newton Ingen forhåndsvisning - 2022 |

Sir Isaac Newton's Two Treatises: Of the Quadrature of Curves, and Analysis ... Isaac Newton Ingen forhåndsvisning - 2018 |

Sir Isaac Newton's Two Treatises of the Quadrature of Curves, and Analysis ... Isaac Newton Ingen forhåndsvisning - 2017 |

### Almindelige termer og sætninger

Abſciſs and Ordinate alſo Area belonging Baſe BbcC becauſe betwixt binomial Curves Cafe Caſe Circle circular Sector Conic Section conſequently Conſtruction converge correſponding Curve propoſed Curve whoſe Ordinate curvilinear Area demonſtrated denotes deſcribed Dimenſions diminiſhed equal Equation Explica Expreffion expreſſed Expreſſion fame fince find the Area finite firſt flowing Quantities Fluent Fluxions Form fubtract given Hyperbola increaſes infinite initial Limit inſerting irreducible Fraction itſelf juſt laſt leſs likewiſe Logarithm Meaſure Method of Fluxions multiplied muſt negative Integer Number obſerved Ordinate BC plication poſitive Progreſſion Prop Quadra quadrable reaſoning Relation repreſented reſpectively right Line ſaid ſame ſecond Series ſeveral ſhall ſhewn ſhews ſince ſmall ſome ſquared ſtand ſtill ſubſtituting ſuch ſuppoſe Tangent Terms thence theſe tion trinomial uſe Value vaniſh Velocity Vinculum whence Wherefore whoſe Abſciſs whoſe Area whoſe Ordinate λη

### Populære passager

Side 288 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.

Side viii - Just so it is in the mind ; would you have a man reason well, you must use him to it betimes, exercise his mind in observing the connection of ideas, and following them in train. Nothing does this better than mathematics, which therefore I think should be taught all those who have the time and opportunity, not so much to make them mathematicians, as to make them reasonable creatures...

Side viii - I have mentioned mathematics as a way to settle in the mind a habit of reasoning closely and in train; not that I think it necessary that all men should be deep mathematicians, but that, having got the way of reasoning, which that study necessarily brings the mind to, they might be able to transfer it to other parts of knowledge, as they shall have occasion.

Side 34 - I. The length of the space describ'd being continually (that is, at all times) given; to find the velocity of the motion at any time propos'd.

Side 347 - ... ratio between two whole numbers the impossibility of the problem of rectification is not inferable. The quadrature of the circle stands and falls with the problem of rectification. This is based upon the truth above mentioned, that a circle is equal in area to a right-angled triangle, in which one side is equal to the radius of the circle and the other to the circumference. Supposing, accordingly, that the circumference of the circle were rectified, then we could construct this triangle. But...

Side 306 - COROLLARY. The measure of the surface of a spherical triangle is the difference between the sum of its three angles and two right angles. For if s =-J- of the surface of the sphere, 180°xm=s X(A + B + C— 180°).

Side viii - Reafoning, which that ftudy neceffarily brings the Mind to, they might be able to transfer it to other parts of Knowledge as they fhall have occafion. For in all forts of Reafoning, every fmgle Argument mould be managed as a Mathematical Demonftration, the Connection and dependence of Ideas...

Side 2 - AB, the ordinate BC and the curve line ACc ; and the sides of the triangle CET...

Side viii - ... times, exercife his mind in obferving the connection of ideas, and follow them in train. Nothing does this better than mathematics, which therefore, I think, fhould be taught all thofe who have the time and opportunity, not fo much to make them mathematicians, as to make them reafonable creatures...

Side 312 - As for example, The right cone is generated by the revolution of a right-angled triangle round one of the sides which contain the right angle.