The Elements of Euclid: Viz. the First Six Books, with the Eleventh and Twelfth. In which the Corrections of Dr. Simson are Generally Adopted, But the Errors Overlooked by Him are Corrected, and the Obscurities of His and Other Editions Explained. Also Some of Euclid's Demonstrations are Restored, Others Made Shorter and More General, and Several Useful Propositions are Added. Together with Elements of Plane and Spherical Trigonometry, and a Treatise on Practical Geometry |
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Seite v
“ Equal and fimilar solid Figures are those which are contained by similar “ Planes of the same number and magnitude . ” Now , this Propofition is a Theorem , not a Definition ; because the equality of figures of any kind must be ...
“ Equal and fimilar solid Figures are those which are contained by similar “ Planes of the same number and magnitude . ” Now , this Propofition is a Theorem , not a Definition ; because the equality of figures of any kind must be ...
Seite vi
... which is not a right Definition ; because there may be solids contained by the fame number of similar plane figures , which are not fimilar to one another , in the true sense of fimilarity received by all Geometers ; and all these ...
... which is not a right Definition ; because there may be solids contained by the fame number of similar plane figures , which are not fimilar to one another , in the true sense of fimilarity received by all Geometers ; and all these ...
Seite 1
For instance , he did not observe , that the Demonstration of the 28th Proposition of the Eleventh Book was insufficient , though that Proposition be the foundation of the principal part of solid Geometry ; and in correcting the 26th of ...
For instance , he did not observe , that the Demonstration of the 28th Proposition of the Eleventh Book was insufficient , though that Proposition be the foundation of the principal part of solid Geometry ; and in correcting the 26th of ...
Seite 6
... constructions and demonstrations that can be given : and in all the first Six Books , there are not above half a dozen of Propofitions that could be omitted , without a loss to Geometry . Nor is the method of handling solids ...
... constructions and demonstrations that can be given : and in all the first Six Books , there are not above half a dozen of Propofitions that could be omitted , without a loss to Geometry . Nor is the method of handling solids ...
Seite 170
Solid is that which hath length , breadth , and thickness . II . That which bounds a folid is a superficies . III . A straight line is perpendicular , or at right angles to a plane , when it makes right angles with every straight line ...
Solid is that which hath length , breadth , and thickness . II . That which bounds a folid is a superficies . III . A straight line is perpendicular , or at right angles to a plane , when it makes right angles with every straight line ...
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ABCD alſo altitude angle ABC angle BAC arch baſe becauſe biſect Book caſe centre circle circumference common cylinder definition demonſtrated deſcribed diameter difference divided double draw drawn equal equal angles equiangular equimultiples fall fame fides figure firſt folid fore four fourth greater half inches join leſs Let ABC magnitudes mean meaſure meet oppoſite parallel parallelogram parallelopiped paſs perpendicular plane priſm PROB produced PROP proportionals propoſition proved pyramid radius ratio rectangle contained rectilineal remaining right angles ſame ſame manner ſame multiple ſame reaſon ſecond ſegment ſhall ſides ſimilar ſolid ſquare ſtraight line ſum taken tangent THEOR theſe third touches triangle triangle ABC twice uſe Wherefore whole
Beliebte Passagen
Seite 30 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Seite 142 - 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.
Seite 13 - Let it be granted that a straight line may be drawn from any one point to any other point.
Seite 30 - ... then shall the other sides be equal, each to each; and also the third angle of the one to the third angle of the other. Let ABC, DEF be two triangles which have the angles ABC, BCA equal to the angles DEF, EFD, viz.
Seite 72 - The diameter is the greatest straight line in a circle; and of all others, that which is nearer to the centre is always greater than one more remote; and the greater is nearer to the centre than the less. Let ABCD be a circle, of which...
Seite 57 - If then the sides of it, BE, ED are equal to one another, it is a square, and what was required is now done: But if they are not equal, produce one of them BE to F, and make EF equal to ED, and bisect BF in G : and from the centre G, at the distance GB, or GF, describe the semicircle...
Seite 145 - AC the same multiple of AD, that AB is of the part which is to be cut off from it : join BC, and draw DE parallel to it : then AE is the part required to be cut off.
Seite 48 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Seite 35 - F, which is the common vertex of the triangles ; that is, together with four right angles. Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Seite 10 - 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.
Bibliografische Informationen
| Titel | The Elements of Euclid: Viz. the First Six Books, with the Eleventh and Twelfth. In which the Corrections of Dr. Simson are Generally Adopted, But the Errors Overlooked by Him are Corrected, and the Obscurities of His and Other Editions Explained. Also Some of Euclid's Demonstrations are ... |
| Autor/in | Alexander Ingram |
| Verlag | J. Pillans & sons, 1799 |
| Original von | University of Michigan |
| Digitalisiert | 8. Juni 2007 |
| Länge | 351 Seiten |
| Zitat exportieren | BiBTeX EndNote RefMan |