Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books |
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Página vii
The First Six, the Eleventh and Twelfth Books Euclid. But enough of this in general ; let us come nearer our present work , and more particularly observe , that we Britons have had amongst us scarcely any who have ventured to write ...
The First Six, the Eleventh and Twelfth Books Euclid. But enough of this in general ; let us come nearer our present work , and more particularly observe , that we Britons have had amongst us scarcely any who have ventured to write ...
Página ix
The First Six, the Eleventh and Twelfth Books Euclid ... for the purposes they were intended by Euclid himself , do not so nearly belong to the elements of plane and solid geometry , as the first fix , eleventh , and twelfth books .
The First Six, the Eleventh and Twelfth Books Euclid ... for the purposes they were intended by Euclid himself , do not so nearly belong to the elements of plane and solid geometry , as the first fix , eleventh , and twelfth books .
Página xi
The First Six, the Eleventh and Twelfth Books Euclid. 3 Once more to the READER . A - T the End of this Second Edition are added several Things not in the former , tending to free these Elements from Error , and clear them yec more from ...
The First Six, the Eleventh and Twelfth Books Euclid. 3 Once more to the READER . A - T the End of this Second Edition are added several Things not in the former , tending to free these Elements from Error , and clear them yec more from ...
Página xii
Multiple of the Fourth , " Cannot exist when the Magnitudes are incommenfurable ; because when the First and Second , and the Third and Fourthi Terms of Two equal Ratios , or Four Proportionals are incommensurable , no Number of Times ...
Multiple of the Fourth , " Cannot exist when the Magnitudes are incommenfurable ; because when the First and Second , and the Third and Fourthi Terms of Two equal Ratios , or Four Proportionals are incommensurable , no Number of Times ...
Página 12
The First Six, the Eleventh and Twelfth Books Euclid. to the angle BC F ; the remaining angle A B C [ by ax . 3. ] will be equal to the remaining angle a CB ; and they are at the base of the triangle A B C. But also it has been ...
The First Six, the Eleventh and Twelfth Books Euclid. to the angle BC F ; the remaining angle A B C [ by ax . 3. ] will be equal to the remaining angle a CB ; and they are at the base of the triangle A B C. But also it has been ...
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Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books Euclid,David Gregory Sin vista previa disponible - 2016 |
Términos y frases comunes
A B C ABCD added alſo altitude baſe becauſe centre circle circumference common cone continue cylinder definition demonſtrated deſcribed diameter difference divided double draw drawn equal equal angles equiangular equimultiples Euclid exceeds fall fame fides figure firſt folid fore four fourth given right line greater half inſcribed join leſs magnitudes manner meet multiple oppoſite parallel parallelogram perpendicular plane polygon priſms PROP proportional propoſition proved pyramid ratio rectangle remaining angle right angles right line A B right lined figure ſame ſay ſecond ſegment ſhall ſides ſimilar ſince ſolid ſome ſphere ſquare ſtand ſum taken THEOR theſe third thoſe thro touch triangle triangle ABC twice vertex Wherefore whole whoſe baſe
Pasajes populares
Página 245 - 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.
Página 28 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Página 246 - But it was proved that the angle AGB is equal to the angle at F ; therefore the angle at F is greater than a right angle : But by the hypothesis, it is less than a right angle ; which is absurd.
Página 16 - When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that on which it stands.
Página 30 - Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD equal to one another; AB is parallel to CD.
Página 54 - 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.
Página 389 - KL: but the cylinder CM is equal to the cylinder EB, and the axis LN to the axis GH; therefore as the cylinder EB to...
Página 108 - If any two points be taken in the circumference of a circle, the straight line which joins them shall fall within the circle.
Página 128 - When you have proved that the three angles of every triangle are equal to two right angles...
Página 181 - FK : in the same manner it may be demonstrated, that FL, FM, FG are each of them equal to FH, or FK : therefore the five straight lines FG, FH, FK, FL, FM are equal to one another : wherefore the circle described from the centre F, at the distance of...