| Jeremy Gray - 2004 - 264 páginas
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| Edwin Arnold - 2006 - 364 páginas
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| 1900 - 370 páginas
...holds good only under the presupposition, that the constant is infinitely great. Only then is it true, that the three angles of every triangle are equal to two right angles ; also this can be easily proven if one takes as given the proposition, that the constant is infinitely... | |
| 1807 - 496 páginas
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| William Thompson - 1999 - 503 páginas
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| 1927 - 588 páginas
...certainty. In mathematical reasoning our knowledge is greater than our ignorance. When, you have proved that the three angles of every triangle are equal to two right angles , there is an end of doubt; because there are no materials for ignorance to work up into phantoms;... | |
| 564 páginas
...We wish to recall that proposition. Arbitrary association of ideas immediately suggests the words, 'The three angles of every triangle are equal to two right angles.' But at first these are words only : our mind runs along an established train of sounds. By well-formed,... | |
| John Dougharty - 1749 - 482 páginas
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