The philosophy of mathematics, by Auguste Comte pot
The philosophy of mathematics, by Auguste Comte pot
... worthy of the importance, the extent, and the difficulty of the science. THE OBJECT OF MATHEMATICS. Measuring Magnitudes. The question of measuring a magnitude in itself presents to the mind no other ... "Logic," calls the work of M. Comte " ;by far the greatest yet produced on the Philosophy of the sciences;" and adds, " ;of this...
Ngày tải lên: 28/06/2014, 19:20
A Short Account of the History of Mathematics, by W. W. Rouse Ball pot
... and thence, by observing the time of year when the noon-altitude of the sun was greatest and least, he got the solstices; thence, by taking half the sum of the noon-altitudes of the sun at the two ... so proved that the [height of the] pyramid was to the [length of the] stick as the shadow of the pyramid to the shadow of the stick.” It would s...
Ngày tải lên: 28/06/2014, 19:20
The Project Gutenberg EBook of How to Write Letters (Formerly The Book of Letters), by Mary Owens potx
... nature of the business is often omitted from letterheads 14 Specimens of letterheads used for official stationery 27 As to the use of the symbol "&" and the abbreviation of the word "Company," ... LAW OF LETTERS CHAPTER X CHAPTER XI company, a law firm, and three associations 13 In the case of widely known firms, or where the name of the f...
Ngày tải lên: 28/06/2014, 17:20
The Dawn of Reason, by James Weir pot
... "swallowing." By the latter process they put themselves on the outside of an object—in fact, they surround it; by the former, they put the object outside by allowing it to escape through their bodies. CHAPTER ... or species of animals—Death-feigning by rhizopods By fresh-water annelids By the larvæ of butterflies and beetles By free-swimming rotifers By s...
Ngày tải lên: 28/06/2014, 19:20
On the Origin of Species, by Charles Darwin potx
... hypothesis which supposes the species living at any time to be the result of the gradual modification of pre- existing species, a hypothesis which, though unproven, and sadly damaged by some of ... HISTORICAL SKETCH OF THE PROGRESS OF OPINION ON THE ORIGIN OF SPECIES, PREVIOUSLY TO THE PUBLICATION OF THE FIRST EDITION OF THIS WORK. development and modification...
Ngày tải lên: 28/06/2014, 19:20
Project Gutenberg''''s At the Deathbed of Darwinism, by Eberhard Dennert potx
... about the decadence of the Darwinian theory in the highest scientific circles in Germany. And outside of Germany the same sentiment is shared generally by the leaders of scientific thought. That the ... selection theory." Quite the reverse case presents itself in certain planarians. If the head of planaria lugubris is cut off just behind the eyes, there develo...
Ngày tải lên: 28/06/2014, 19:20
The History of Us by Leah Stewart--start reading today pot
... room as they grew older, the place they spent much of their time, the more formal rst oor being the domain of their mother. Eloise still felt like that part of the house didn’t quite belong ... cry. Eloise listened to her mother’s weeping for a moment, won- dering with detachment if the sound of it would make her cry. Then she closed the door. Theo met her at the t...
Ngày tải lên: 05/03/2014, 18:20