Geometry Without Axioms; Or the First Book of Euclid's Elements. With Alterations and Familiar Notes; and an Intercalary Book in which the Straight Line and Plane are Derived from Properties of the Sphere ...: To which is Added an Appendix ...Robert Heward, 1833 - 150 σελίδες |
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Αποτελέσματα 6 - 10 από τα 15.
Σελίδα 31
... rejoining line as EF , but not in the surface between . Whereupon may be shown by the same process as in the ... self - rejoining line EF in addition to CD . And in like manner may be shown that they cannot coincide in any other self ...
... rejoining line as EF , but not in the surface between . Whereupon may be shown by the same process as in the ... self - rejoining line EF in addition to CD . And in like manner may be shown that they cannot coincide in any other self ...
Σελίδα 32
... self - rejoining line which will be described by such surface , line , or point during the turning ; as was shown of the point C during the construction of the figure . But it has been shown that they cannot coincide in any belt or self - ...
... self - rejoining line which will be described by such surface , line , or point during the turning ; as was shown of the point C during the construction of the figure . But it has been shown that they cannot coincide in any belt or self - ...
Σελίδα 34
... self - rejoining line passing through B , or else touch in B only . But whichever of these they do , ( inasmuch as the sphere whose centre is G must necessarily be exterior to the sphere whose centre is E , for it touches it externally ) ...
... self - rejoining line passing through B , or else touch in B only . But whichever of these they do , ( inasmuch as the sphere whose centre is G must necessarily be exterior to the sphere whose centre is E , for it touches it externally ) ...
Σελίδα 38
... self - rejoining line . Let them coincide in FJHK ; in which take any point as F , and join CF , + INTERC.12 and let CF bet prolonged to an unlimited length on the side Cor . 6. of L. Let then the spheres BFGH and AFIH be united as one ...
... self - rejoining line . Let them coincide in FJHK ; in which take any point as F , and join CF , + INTERC.12 and let CF bet prolonged to an unlimited length on the side Cor . 6. of L. Let then the spheres BFGH and AFIH be united as one ...
Σελίδα 39
... line CFL be brought into the situation in which it passes through the point N , and after transposition of the ... self - rejoining line pass- Cor . Cor . 7 . ing through M , or else touch externally in the point M only ; but they cannot ...
... line CFL be brought into the situation in which it passes through the point N , and after transposition of the ... self - rejoining line pass- Cor . Cor . 7 . ing through M , or else touch externally in the point M only ; but they cannot ...
Άλλες εκδόσεις - Προβολή όλων
Geometry Without Axioms; Or the First Book of Euclid's Elements. with ... Thomas Perronet Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD adjacent angles alternate angles angle ABC angle ACB angle BAC angular points assigned point Axiom axis base BC bisected called CEGDHF central distances change of place circle coincide throughout Constr demonstrated double equal angles equal straight lines equal to AC equal to EF equilateral triangle Euclid exterior angle extremities four right angles Geometry given straight line greater half the angle hard body inclose a space instance INTERC Intercalary Book ist equal join line AC magnitude manner meet opposite angles parallelogram parity of reasoning pass perpendicular prolonged Prop PROPOSITION proved quadrilateral radii radius rectilinear figure remain unmoved remaining angle remains at rest respectively SCHOLIUM self-rejoining line shown side BC side opposite situation sphere whose centre straight line BC tessera THEOREM.-If third side triangle ABC turned unlimited length Wherefore
Δημοφιλή αποσπάσματα
Σελίδα 51 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Σελίδα 109 - PARALLELOGRAMS upon the same base, and between the same parallels, are equal to one another...
Σελίδα 111 - Parallelograms upon the same base and between the same parallels, are equal to one another.
Σελίδα 120 - If the square described on one of the sides of a triangle be equal to the squares described on the other two sides of it, the angle contained by these two sides is a right angle.
Σελίδα 72 - Any two sides of a triangle are together greater than the third side.
Σελίδα 55 - From the greater of two given straight lines to cut off a part equal to the less. Let AB and C be the two given straight lines, whereof AB is the greater.
Σελίδα 103 - ... twice as many right angles as the figure has sides.
Σελίδα 70 - Any two angles of a triangle are together less than two right angles.
Σελίδα 138 - ... the exterior angle equal to the interior and opposite on the same side of the line ; and likewise the two interior angles on the same side of the line together equal to two right angles.
Σελίδα 106 - THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel.