A Short History of Greek MathematicsUniversity Press, 1884 - 323 σελίδες |
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Σελίδα 6
... divided , that they will exhibit any number under 21 : they are so familiar that the eye is constantly practised in counting them , and they are so uni- versally supplied to human beings that they can be used to communicate arithmetical ...
... divided , that they will exhibit any number under 21 : they are so familiar that the eye is constantly practised in counting them , and they are so uni- versally supplied to human beings that they can be used to communicate arithmetical ...
Σελίδα 13
... divided among 24 men . Here obviously each man will get a fraction of an apple but there are two ways of ascertaining the fraction . One is to divide each apple into 24 equal parts , and to give to each man 23 such parts . The other is ...
... divided among 24 men . Here obviously each man will get a fraction of an apple but there are two ways of ascertaining the fraction . One is to divide each apple into 24 equal parts , and to give to each man 23 such parts . The other is ...
Σελίδα 16
... divided by 7 ' etc. is his mode of stating the proposition and he gives immediately a table of answers , for all fractions of the form up to . He does not state , however , why 2n + 1 he confines himself to 2 as a numerator or how he ...
... divided by 7 ' etc. is his mode of stating the proposition and he gives immediately a table of answers , for all fractions of the form up to . He does not state , however , why 2n + 1 he confines himself to 2 as a numerator or how he ...
Σελίδα 31
... divided by a transverse string : each wire on that part of it which is below this string carries 5 balls : and on the part which is above 2 balls , each of which is worth 5 of those below . On both these machines , apparently , it is ...
... divided by a transverse string : each wire on that part of it which is below this string carries 5 balls : and on the part which is above 2 balls , each of which is worth 5 of those below . On both these machines , apparently , it is ...
Σελίδα 45
... divided by Zenodotus ( flor . c . B. C. 280 ) were numbered by the 24 letters of the ordinary Ionic alphabet , s and being omitted : and the works of Aristotle were also at some ancient time divided into books , numbered on the same ...
... divided by Zenodotus ( flor . c . B. C. 280 ) were numbered by the 24 letters of the ordinary Ionic alphabet , s and being omitted : and the works of Aristotle were also at some ancient time divided into books , numbered on the same ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
Ahmes Alexandria algebraical Almagest alphabet Apollonius Arabic Archimedes Archytas Aristotle arithmetical astronomical Athens attributed Bisect Bretschneider called Cantor centre century Chasles chord circle circumference cited commentary cone conic conic sections contains cube curve cylinder Delambre described diameter Diophantus Egyptian ellipse equal equations Eratosthenes Eucl Euclid Eudemian summary Eudemus Eudoxus Eutocius extant figure follows fractions Friedlein Geminus given Greek geometry Hankel Heiberg Heron Hipparchus Hippocrates history of geometry Hultsch Iamblichus inscribed invented isosceles later lemmas magnitudes Math mathematicians mathematics means Menaechmus mentioned method method of exhaustion Nesselmann Nicomachus numbers Pappus parabola perpendicular plane Plato Plutarch polygonal numbers porism problem Proclus proof Prop proportion propositions Ptolemy Pythagoras Pythagorean quadrature quoted ratio rectangle rectilineal right angles says segment semicircle shews side similar solution sphere square number straight line symbolism Thales Theon theorem Torelli translation treatise triangle vertex Vorles writers καὶ περὶ
Δημοφιλή αποσπάσματα
Σελίδα 199 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Σελίδα 292 - THE rectangle contained by the diagonals of a quadrilateral inscribed in a circle, is equal to both the rectangles contained by its opposite sides.* Let ABCD be any quadrilateral inscribed in a circle, and join AC, BD ; the.
Σελίδα 292 - The rectangle contained by the diagonals of a quadrilateral inscribed in a circle is equal to the sum of the two rectangles contained by its opposite sides.
Σελίδα 298 - He finds as a general law that a ray, passing from a rarer to a denser medium, is refracted towards the perpendicular : if...
Σελίδα 194 - Give him threepence, since he must make gain out of what he learns.
Σελίδα 56 - IJandnotwith any special problem. course, that most astronomers mean by 'the universe' the sphere of which the centre is the centre of the earth and the radius is a line drawn from the centre of the earth to the centre of the sun.
Σελίδα 145 - At a given point in a given straight line, to make a rectilineal angle equal to a given rectilineal angle. Let AB be the given straight line, and A the given point in, it, and DCE the given rectilineal angle ; it is required to make...
Σελίδα 53 - 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.
Σελίδα 176 - To describe an isosceles triangle, having each of the angles at the base double of the third angle.
Σελίδα 133 - Pythagoras changed the study of geometry into the form of a liberal education, for he examined its principles to the bottom and investigated its theorems in an immaterial and intellectual manner.