An Introduction to Mathematics

Pirmais vāks
H. Holt, 1911 - 256 lappuses
 

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Saturs

I
II
7
III
15
V
24
VI
40
VIII
53
IX
69
X
83
XII
110
XIII
127
XIV
146
XV
155
XVI
176
XVII
199
XVIII
218
XIX
227

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Populāri fragmenti

41. lappuse - By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and in effect increases the mental power of the race.
199. lappuse - Hark! the rushing snow! The sun-awakened avalanche! whose mass, Thrice sifted by the storm, had gathered there Flake after flake, in heaven-defying minds As thought by thought is piled, till some great truth Is loosened, and the nations echo round, Shaken to their roots, as do the mountains now.
43. lappuse - It is a profoundly erroneous truism, repeated by all copy-books and by eminent people when they are making speeches, that we should cultivate the habit of thinking ^ what we are doing. The precise opposite is the case. Civilization advances by extending the number of important operations which we can perform without thinking about them.
25. lappuse - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
121. lappuse - Newton's law of gravitation states that any two bodies attract each other with a force proportional to the product of their masses and inversely proportional to the square of the distance between them...
15. lappuse - There is no more common error than to assume that, because prolonged and accurate mathematical calculations have been made, the application of the result to some fact of nature is absolutely certain'.
41. lappuse - Before the introduction of the Arabic notation, multiplication was difficult, and the division even of integers called into play the highest mathematical faculties. Probably nothing in the modern world would have more astonished a Greek mathematician than to learn that, under the influence of compulsory education...
139. lappuse - Now in creative thought common sense is a bad master. Its sole criterion for judgment is that the new ideas shall look like the old ones, in other words it can only act by suppressing originality.
205. lappuse - It is a well-founded historical generalization that the last thing to be discovered in any science is what the science is really about. Men go on groping for centuries, guided merely by a dim instinct and a puzzled curiosity, till at last 'Some great truth is loosened.
3. lappuse - To see what is general in what is particular and what is permanent in what is transitory is the aim of scientific thought.

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