 | 1841 - 524 sider
...assertion to be proved, in that the latter does not require any specific object to be effected. Thus, ' all the angles of a triangle are together equal to two right angles ' is to be shown or made evident, and is a theorem ; but ' to draw a circle through three given points... | |
 | 1841 - 1040 sider
...assertion to be proved, in that the latter does not require any specific object to be effected. Thus, ' all the angles of a triangle are together equal to two right angles ' is to be shown or made evident, and is a theorem ; but ' to draw a circle through thiee given points'... | |
 | Felix Eberty - 1846 - 110 sider
...anything which contradicts it to be absurd. Thus, for example, he to whom the geometrical proposition that the angles of a triangle are together equal to two right angles, has been intelligibly demonstrated, must acknowledge the truth of it ; but he has not necessarily comprehended... | |
 | 1853 - 1036 sider
...assertion to be proved, in that the latter does not require any specific object to be effected. Thus, ' all the angles of a triangle are together equal to two right angles' is to be shown or made evident, and is a theorem ; but ' to draw a circle through three given points'... | |
 | Felix Eberty - 1854 - 100 sider
...which contradicts it to be absurd. Thus, for" example, he to whom the geometrical proposition, that the angles of a triangle are together equal to two right angles, has been intelligibly demonstrated, must acknowledge the truth of it; but he has not necessarily comprehended... | |
 | Euclides - 1862 - 140 sider
...4. Therefore the three angles, EGD, GDE, DEG, are equal to one another. (I. 5 cor.) 5. But the three angles of a triangle are together equal to two right angles; (I. 32.) 6. Therefore the angle EGD is the third part of two right angles. 7. In the same manner it may be shown... | |
 | Richard Pearson (Philosophical Writer.) - 1863 - 144 sider
...faithfully is a wise man, is as true and unchangeable as the mathematical proposition that says that all the angles of a triangle are together equal to two right angles. But wisdom cannot be measured with the accuracy of an angle ; and if it could, the moral subject to... | |
 | 1865 - 520 sider
...day, tracing figures by which, independent and innocent of Euclid, the boy had made the discovery that the angles of a triangle are together equal to two right angles. There is a similar anecdote of James Watt having been observed, as a child of six years old, drawing... | |
 | Euclid, Isaac Todhunter - 1867 - 424 sider
...therefore the three angles EGD, GDE, DEG are equal to one another. [I. 5. Corollary. But the three angles of a triangle are together equal to two right angles ; [I. 32. therefore the angle EGD is the third part of two right angles. In the same manner it may be shewn,... | |
 | Euclid, Isaac Todhunter - 1867 - 426 sider
...therefore the three angles EGD, GDE, DEG are equal to one another. [I. 5. Corollary. But the three angles of a triangle are together equal to two right angles ; [I. 32. therefore the angle EGD is the third part of two right angles. In the same manner it may be shewn,... | |
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Thus, for" example, he to whom the geometrical proposition, that the angles of a triangle are together equal to two right angles... 
