Popular Science Monthly, Volum 68McClure, Phillips and Company, 1906 |
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Side 12
... relations between men representing various departments of science . It need hardly be said that this was very fully appreciated , especially by those who have their work in places remote from the main centers of intellectual activity ...
... relations between men representing various departments of science . It need hardly be said that this was very fully appreciated , especially by those who have their work in places remote from the main centers of intellectual activity ...
Side 22
... relation . I simply try to call up a distinction which I suppose to exist in the reader's mind . The postulates and ... relations . 1. Undefined terms { elements , 2. Undemonstrated propositions . The postulates of Euclid are as follows ...
... relation . I simply try to call up a distinction which I suppose to exist in the reader's mind . The postulates and ... relations . 1. Undefined terms { elements , 2. Undemonstrated propositions . The postulates of Euclid are as follows ...
Side 24
... relations such that a point may be in a segment or a surface , a linear segment may be between two points ( called its end - points ) . There is also introduced a relation called congruence ( geometrical equality ) of figures which ...
... relations such that a point may be in a segment or a surface , a linear segment may be between two points ( called its end - points ) . There is also introduced a relation called congruence ( geometrical equality ) of figures which ...
Side 25
... relations mentioned above . He then introduces the plane sur- face by means of some further axioms , among which are : 1. Every three points are in a plane surface . 2. If a line segment lies between two points of a plane surface there ...
... relations mentioned above . He then introduces the plane sur- face by means of some further axioms , among which are : 1. Every three points are in a plane surface . 2. If a line segment lies between two points of a plane surface there ...
Side 28
... relations of the kind specified in the axioms . This is what is meant by a categorical system of axioms . Thus in geometry , a categorical system is capable of distinguishing Euclidean space from all essentially different constructions ...
... relations of the kind specified in the axioms . This is what is meant by a categorical system of axioms . Thus in geometry , a categorical system is capable of distinguishing Euclidean space from all essentially different constructions ...
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American animals arbitration Atta sexdens axioms Baird become birds black locust Bulawayo Carboniferous cause character Chinese cockroaches color Confucius digitigrade digits disease drift Edward Hitchcock evidence examination fact fauna favor feet Finger Lake fishes genera geological Germo glacial glaciers gorges hallux heredity honor system hundred important increase Indian individual insect institutions interest investigation Japan known Kootenay Lake land larvæ less mathematics matter ment meteorological method miles mountains Museum nations nature observations Observatory organization origin Paleozoic phenomena pistillate plants possible practical present produced Professor queen question recent regard region relations result schools scientific slang Smithsonian society South South America species submarines surface survey tion to-day town tree University valley variations Watkins Glen wing words writer yellow
Populære avsnitt
Side 418 - By heaven, methinks it were an easy leap, To pluck bright honour from the pale-faced moon, Or dive into the bottom of the deep, Where fathom-line could never touch the ground, And pluck up drowned honour by the locks...
Side 302 - For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living substance that I have made will I destroy from off the face of the earth.
Side 373 - Through glowing orchards forth they peep, Each from its nook of leaves ; And fearless there the lowly sleep, As the bird beneath their eaves.
Side 22 - LET it be granted that a straight line may be drawn from any one point to any other point.
Side 478 - I mean stock to remain in this country, to the United States of America, to found at Washington, under the name of the Smithsonian Institution, an establishment for the increase and diffusion of knowledge among men.
Side 40 - A CLEVER man builds a city, A clever woman lays one low; With all her qualifications, that clever woman Is but an ill-omened bird. A woman with a long tongue Is a flight of Steps leading to calamity; For disorder does not come from heaven, But is brought about by women. * Among those who cannot be trained or taught Are women and eunuchs.
Side 22 - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Side 419 - ... shed tears for. Had these men any quarrel? Busy as the Devil is, not the smallest! They lived far enough apart: were the entirest strangers: nay. in so wide a Universe, there was even, unconsciously, by Commerce, some mutual helpfulness between them. How then? Simpleton! Their governors had fallen out: and instead of shooting one another, had the cunning to make these poor blockheads shoot.
Side 419 - is given ; and they blow the souls out of one another; and in place of sixty brisk, useful craftsmen, the world has sixty dead carcasses which it must bury and anew shed tears for.
Side 21 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16.