The Elements of Euclid; viz. the first six books, together with the eleventh and twelfth. Also the book of Euclid's Data. By R. Simson. To which is added, A treatise on the construction of the trigonometrical canon [by J. Christison] and A concise account of logarithms [by A. Robertson]. |
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Page viii
His works , as we learn from Pappus and Proclus , are the Elements , Data , Introduction to Harmony , Phænomena , Optics , Catoptrics , a Treatise on the Division of Superficies , Porisms , Loci ad Superficiem , Fallacies , and Four ...
His works , as we learn from Pappus and Proclus , are the Elements , Data , Introduction to Harmony , Phænomena , Optics , Catoptrics , a Treatise on the Division of Superficies , Porisms , Loci ad Superficiem , Fallacies , and Four ...
Page ix
They are divided into three parts , viz . the Contemplation of Superficies , Numbers , and Solids : the first four Books treat of planes only ; the fifth of the proportions of magnitudes in general ; the 6th of the proportion of plane ...
They are divided into three parts , viz . the Contemplation of Superficies , Numbers , and Solids : the first four Books treat of planes only ; the fifth of the proportions of magnitudes in general ; the 6th of the proportion of plane ...
Page 3
Quadrilateral , by four straight lines . XXIII . Multilateral figures , or polygons , by more than four straight lines . XXIV . Of three - sided figures , an equilateral triangle is that which has three equal sides . XXV .
Quadrilateral , by four straight lines . XXIII . Multilateral figures , or polygons , by more than four straight lines . XXIV . Of three - sided figures , an equilateral triangle is that which has three equal sides . XXV .
Page 4
Of four - sided figures , a square is that which has all its sides equal , and all its angles right angles . XXXI . An oblong is that which has all its angles right angles , but has not all its sides equal . XXXII .
Of four - sided figures , a square is that which has all its sides equal , and all its angles right angles . XXXI . An oblong is that which has all its angles right angles , but has not all its sides equal . XXXII .
Page 16
... two straight lines cut one another , the angles which they make at the point where they cut , are together equal to four right angles . COR . 2. And consequently , that all the angles made by any number of lines meeting in one point ...
... two straight lines cut one another , the angles which they make at the point where they cut , are together equal to four right angles . COR . 2. And consequently , that all the angles made by any number of lines meeting in one point ...
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Common terms and phrases
added altitude angle ABC angle BAC base Book centre circle circle ABCD circumference common cone contained cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular equimultiples Euclid excess figure fore four fourth given angle given in position given in species given magnitude given ratio given straight line greater Greek half join less likewise logarithm manner meet multiple opposite parallel parallelogram pass perpendicular plane prism produced Prop proportionals PROPOSITION proved pyramid radius reason rectangle rectangle contained remaining right angles segment shewn sides similar sine solid solid angle sphere square square of BC taken third triangle ABC wherefore whole
Popular passages
Page 32 - 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...
Page 138 - 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.
Page 39 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Page 22 - If a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another...
Page 41 - If a straight line be bisected and produced to any point, the rectangle contained by the whole line thus produced and the part of it produced, together •with the square on half the line bisected, is equal to the square on the straight line which is made up of the half and the part produced.
Page 5 - If two triangles have two sides of the one equal to two sides of the other, each to each, but the...
Page 38 - IF a straight line be divided into any two parts, the rectangles contained by the whole and each of the parts, are together equal to the square of the whole line. Let the straight line AB be divided...
Page 262 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Page 89 - PBOR. —To describe an isosceles triangle, having each of the angles at the base, double of the third angle. Take any straight...
Page 165 - Wherefore, in equal circles &c. QED PROPOSITION B. THEOREM If the vertical angle of a triangle be bisected by a straight line which likewise cuts the base, the rectangle contained by the sides of the triangle is equal to the rectangle contained by the segments of the base, together with the square on the straight line which bisects the angle.
Bibliographic information
| Title | The Elements of Euclid; viz. the first six books, together with the eleventh and twelfth. Also the book of Euclid's Data. By R. Simson. To which is added, A treatise on the construction of the trigonometrical canon [by J. Christison] and A concise account of logarithms [by A. Robertson]. |
| Author | Euclides |
| Editor | Robert Simson |
| Edition | 24 |
| Published | 1834 |
| Original from | Oxford University |
| Digitized | 18 Apr 2006 |
| Export Citation | BiBTeX EndNote RefMan |