## The First Six Books: Together with the Eleventh and Twelfth |

### Inni boken

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Side 226

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Together

**with**the Eleventh and Twelfth Euclid ... the bafe LF be greater than the bafe NF , the folid LV is greater than the folid NV ; and if lefs , lefs : Since then there are four**magnitudes**, viz . the two bases AF , FH , c C. II . Side 316

Together

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**with**the Eleventh and Twelfth Euclid ... That , if four "**magnitudes**be proportionals , the third must neceffarily be 66 greater than the fourth , when the firft is greater than the " fecond ; as Clavius acknowledges in the ... Side 317

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**with**the Eleventh and Twelfth Euclid ... property of proportionals contained in the 20th def . of the 7th book : And most of the commentators judge it difficult to prove that four**magnitudes**which are proportionals according to ... Side 319

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**with**the Eleventh and Twelfth Euclid ... For the words greater , the fame or equal , leffer , have a quite different meaning when applied to**magnitudes**and ratios , as is plain from the 5th and 7th de- finitions of Book 5. Side 320

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**with**the Eleventh and Twelfth Euclid ... or Euclid had**given**, has been deceived in applying what is manifeft , when underftood of**magnitudes**, unto ratios , viz . that a**magnitude**cannot be both greater and lefs than another .### Hva folk mener - Skriv en omtale

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The First Six Books: Together with the Eleventh and Twelfth Euclid Ingen forhåndsvisning tilgjengelig - 2016 |

### Vanlige uttrykk og setninger

added alfo alſo altitude angle ABC angle BAC bafe baſe becauſe bifected Book Book XI centre circle circle ABCD circumference common cone cylinder defcribed definition demonftrated diameter divided double draw drawn equal equal angles equiangular equimultiples excefs fame fame multiple fecond fegment fhall fides fimilar firft folid folid angle fore four fourth fquare fquare of AC ftraight line given angle given in fpecies given in pofition given magnitude given ratio greater Greek half join lefs magnitude meet oppofite parallel parallelogram perpendicular plane prifms produced PROP propofition proportionals pyramid rectangle rectangle contained remaining right angles Take taken thefe THEOR theſe third triangle ABC wherefore whole

### Populære avsnitt

Side 474 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.

Side 170 - 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 81 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of...

Side 105 - DEF are likewise equal (13. i.) to two right angles ; therefore the angles AKB, AMB are equal to the angles DEG, DEF, of which AKB is equal to DEG ; wherefore the remaining angle AMB is equal to the remaining angle DEF.

Side 167 - 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.

Side 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.

Side 62 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.

Side 112 - To describe an equilateral and equiangular pentagon about a given circle. • Let ABCDE be the given circle; it is required to describe an equilateral and equiangular pentagon about the circle ABCDE. Let the angles of a pentagon, inscribed in the circle...

Side 200 - 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...

Side 38 - 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.