The Elements of Euclid: With Select Theorems Out of Archimedes |
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Page 2
... Plane , or a plain Surface , is that which lies even- ly betwixt its extreme Lines . Or as Hero , that , to all the Parts whereof a right Line may be accommodated . For it is produc'd from the Motion of a right Line . Or , A plain ...
... Plane , or a plain Surface , is that which lies even- ly betwixt its extreme Lines . Or as Hero , that , to all the Parts whereof a right Line may be accommodated . For it is produc'd from the Motion of a right Line . Or , A plain ...
Page 5
... Plane , and drawn out on both Sides infinitely , are diftant from one another by equal Inter- vals . The Intervals are faid to be equal , in refpect of the Perpendiculars . Wherefore if all the Perpendiculars ( QL ) unto one of the two ...
... Plane , and drawn out on both Sides infinitely , are diftant from one another by equal Inter- vals . The Intervals are faid to be equal , in refpect of the Perpendiculars . Wherefore if all the Perpendiculars ( QL ) unto one of the two ...
Page 9
... Plane let there be measured about the Angle F , which is equal to the Angle C , two Lines FD and FE , which are equal to the Lines AC and BC respectively . And then there will be the acceffible Line DE equal to the inacceffible AB ...
... Plane let there be measured about the Angle F , which is equal to the Angle C , two Lines FD and FE , which are equal to the Lines AC and BC respectively . And then there will be the acceffible Line DE equal to the inacceffible AB ...
Page 17
... Plane perfectly polished , but where it touches the Earth . For let the Line AB be an horizontal Plane , C the Earth's Centre , CA the Semidiameter of the Earth , perpendicular to the Tangent AB . The Globe placed at B , because of its ...
... Plane perfectly polished , but where it touches the Earth . For let the Line AB be an horizontal Plane , C the Earth's Centre , CA the Semidiameter of the Earth , perpendicular to the Tangent AB . The Globe placed at B , because of its ...
Page 32
... Planes FO AC , QBOL remain equal : To each of which Trapeziums add the Triangle AOB , the whole Parallelograms ACFB , AL QB become equal . Q. E. D. This Propofition will be made univerfal , Prop . 1. l . 6 . Beginners may here observe ...
... Planes FO AC , QBOL remain equal : To each of which Trapeziums add the Triangle AOB , the whole Parallelograms ACFB , AL QB become equal . Q. E. D. This Propofition will be made univerfal , Prop . 1. l . 6 . Beginners may here observe ...
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The Elements of Euclid: With Select Theorems Out of Archimedes Archimedes,André Tacquet,Euclid No preview available - 2015 |
Common terms and phrases
alfo alfo equal alſo Altitude Arch Archimedes Axis Bafe Baſe becauſe betwixt themſelves bifected Centre Circum circumfcrib'd Circumference confequently Conftruction conical Superficies conical Surfaces contain'd Coroll Corollary Cylinder defcrib'd defcribe demonftrated Diameter double drawn thro equal Angles equilateral Cone equilateral Triangle Euclid faid fame manner fcrib'd fecond felf fhall be equal fhew fhew'd Figure firft firſt folid Angle fome fore foregoing four right ftand fuppos'd given right Line greater hath Height Hypothefis infcrib'd infcribed Interfections leffer lefs likewife Line BC manifeft Mathematicks mean Proportional betwixt Meaſure Number oppofite pafs thro parallel Parallelepiped Parallelogram Pentagon perpendicular Plane Point Polygon Prifm Priſms Proclus produc'd PROP Propofition Pyramids Radius Rectangle right Angle right Line Scholium Segment Semidiameter Solid Sphere Square thefe Theorem theſe Thing thofe unto whatſoever whofe whole Superficies
Popular passages
Page 21 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Page xviii - A Scheme of the Solar Syftem, with the orbits of the planets and comets belonging thereto, defcribed from Dr. Halley's accurate Table of Comets, Philofoph.
Page xviii - Difcovery of Divine Truth : And of the Degree of Evidence that , ought to be expected in Divine Matters, 8vo.
Page xviii - Syllem briefly demonftrated. IV. Certain Obfervations drawn from that Syftem. V. Probable Conjectures of the Nature and Ufes of the feveral celeftial Bodies contain'd in the fame Syflem.
Page xviii - DHcovery of divine Truth, and of the degree of Evidence that ought to be expected in divine Matters. By William WbiftvK, MA Ibmetime Profeffor of the Mathematicks in the Univerfity of Cambridge.
Page 11 - Because the angle A is equal to the angle C, and the angle...
Page xviii - Bodies contained in the fame Syftem. VI.' Important Principles of NATURAL RELIGION Demonftrated from the foregoing Obfervations.
Page xix - How great a Geometrician art thou, O Lord! For while this Science has no Bounds, while there is for ever room for the Discovery of New Theorems, even by Human Faculties; Thou art acquainted with them all at one View, without any Chain of Consequences, without any Fatigue of Demonstrations.
Page 211 - Side next to the Diameter : and let the right Lines BH, CG, DF, join the Angles which are equally diftant from A. I fay that the...
Page 221 - Axis, is alfo given j it is manifeft that each of the Segments become known. Now both the foregoing, and all the reft of the Theorems which follow...