A Short History of Greek MathematicsUniversity Press, 1884 - 323 σελίδες |
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Σελίδα 6
... invent his symbols immediately . Time and practice and some hard thinking are obviously necessary before he can master both operations . 4. These difficulties , however , are soonest surmounted with very small numbers , of which any ...
... invent his symbols immediately . Time and practice and some hard thinking are obviously necessary before he can master both operations . 4. These difficulties , however , are soonest surmounted with very small numbers , of which any ...
Σελίδα 26
... invented . By far the oldest passage in which any reference to it may be supposed to occur is Aristophanes , Vespae , 11. 656—664 , where Bdelycleon tells his father to do an easy sum , où pois årλ ' aπò xeɩρós . " The income of the ...
... invented . By far the oldest passage in which any reference to it may be supposed to occur is Aristophanes , Vespae , 11. 656—664 , where Bdelycleon tells his father to do an easy sum , où pois årλ ' aπò xeɩρós . " The income of the ...
Σελίδα 27
... invented in the first instance as a secret means of communication between merchants or as a numerical gesture - language between persons who were ignorant of one another's tongues . Phoenician and Greek commerce would make it widely ...
... invented in the first instance as a secret means of communication between merchants or as a numerical gesture - language between persons who were ignorant of one another's tongues . Phoenician and Greek commerce would make it widely ...
Σελίδα 28
... invented it independently and imparted it to the nations around . Wherever and whenever invented or borrowed , the Greeks and Italians had it also and used it by preference for all ordinary calculations down to the 15th century of our ...
... invented it independently and imparted it to the nations around . Wherever and whenever invented or borrowed , the Greeks and Italians had it also and used it by preference for all ordinary calculations down to the 15th century of our ...
Σελίδα 37
... invented as a companion to the abacus . 5 26. A few words only remain to be added on this branch of Greek practical arithmetic . Western abacistae had intro duced , certainly by the 10th century , a considerable improve- ment in the use ...
... invented as a companion to the abacus . 5 26. A few words only remain to be added on this branch of Greek practical arithmetic . Western abacistae had intro duced , certainly by the 10th century , a considerable improve- ment in the use ...
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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.