## Euclid's Elements [book 1-6] with corrections, by J.R. Young |

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Side 1

with the definitions of which Euclid commences , are derived from our ideas of

extension in general , and precede all definition ; and the object of Euclid , in

defining ...

**GEOMETRY**. INTRODUCTION . Our notions of a point , a line , and a surface ,with the definitions of which Euclid commences , are derived from our ideas of

extension in general , and precede all definition ; and the object of Euclid , in

defining ...

Side 3

In order to assist our minds in these enquiries about figure in the abstract , it is

desirable to give a sensible representation to our

hence arise the figures and diagrams of

In order to assist our minds in these enquiries about figure in the abstract , it is

desirable to give a sensible representation to our

**geometrical**conceptions ; andhence arise the figures and diagrams of

**Geometry**. But , from what we have ... Side 246

It has been stated upon high authority , and the state . ment has been recently

repeated , that the science of

made to establish a system of

...

It has been stated upon high authority , and the state . ment has been recently

repeated , that the science of

**Geometry**is ... and an attempt has accordingly beenmade to establish a system of

**geometrical**truth without axioms ; that is , to form a...

Side 248

... student by the Editor of this work , in bis “ Elements of

which the student is referred for a detailed account of the different methods which

have been proposed for removing the difficulty in the theory of parallel 248

XOTES ,

... student by the Editor of this work , in bis “ Elements of

**Geometry**, ” 1827 , towhich the student is referred for a detailed account of the different methods which

have been proposed for removing the difficulty in the theory of parallel 248

XOTES ,

Side 250

A variety of critical notes upon the Elements will be found at the end of the “

Elements of

ADLARD , Bartholomew Close . ANALYTICAL COURSE OF MATHEMATICS , BY

J . R ...

A variety of critical notes upon the Elements will be found at the end of the “

Elements of

**Geometry**, ” by the Editor of this edition of Euclid . Printed by C .ADLARD , Bartholomew Close . ANALYTICAL COURSE OF MATHEMATICS , BY

J . R ...

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Euclid's Elements [Book 1-6] with Corrections, by J.R. Young Euclides Ingen forhåndsvisning tilgjengelig - 2018 |

Euclid's Elements [Book 1-6] with Corrections, by J.R. Young Euclides Ingen forhåndsvisning tilgjengelig - 2015 |

### Vanlige uttrykk og setninger

ABCD alternate angle ABC angle ACB angle BAC antecedent base base BC bisected Book called centre circle circle ABC circumference common consequent Const demonstrated describe diameter difference divided double draw drawn equal angles equiangular equilateral equimultiples exterior angle extremity fall fore four Geometry given straight line greater half Hence inscribed join less Let ABC logarithm magnitudes manner measure meet multiple parallel parallelogram pass perpendicular PROB produced PROP proportion proposition proved radius reason rectangle contained rectilineal figure remaining remaining angle right angles segment sides similar sine square square of AC taken tangent term THEOR third touches the circle triangle ABC wherefore whole

### Populære avsnitt

Side 30 - IF two triangles have two sides of the one equal to two sides of the other, each to each, but the angle contained by the two sides of one of them greater than the angle contained by the two sides equal to them, of the other ; the base of that which has the greater angle shall be greater than the base of the other.

Side 105 - The angle in a semicircle is a right angle; the angle in a segment greater than a semicircle is less than a right angle; and the angle in a segment less than a semicircle is greater than a right angle.

Side 50 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.

Side 61 - If a straight line be divided into two equal parts, and also into two unequal parts ; the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.

Side 65 - If a straight line be divided into any two parts, four times the rectangle contained by the whole line and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.

Side 70 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, may be equal to the square of the other part.

Side 41 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.

Side 172 - 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.

Side 45 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.

Side 38 - If a, straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon the same side; and likewise the two interior angles upon the same side together equal to two right angles.