 | John Locke - 1879 - 722 pàgines
...never took the pains to observe the demonstration, hearing a mathematician, a man of credit affirm " the three angles of a triangle to be equal to two right ones," assents to it, ta, receives it for true. In which case the foundation of his assent is the probability... | |
 | George Grote - 1880 - 708 pàgines
...our prior acts of cogitation and demonstration ; we can remember that, a month ago, we demonstrated the three angles of a triangle to be equal to two right angles ; but, as the original demonstration coiild not be carried on without our having before our mental... | |
 | Charles Sanders Peirce, Allan Marquand - 1883 - 228 pàgines
...never took the pains to observe the demonstration, hearing a mathematician, a man of credit, affirm the three angles of a triangle to be equal to two right ones, assents to it; that is, receives it for true. In which case, the foundation of his assent is... | |
 | 1910 - 842 pàgines
...objects. Descartes was quite astray from the truths there laid down when he said: "God did not wish the three angles of a triangle to be equal to two right angles because He thought that they could not be otherwise ; but, on the contrary, because he wished them... | |
 | Benedictus de Spinoza - 1892 - 222 pàgines
...therefore, some particular volition — for instance, the mode of thinking by which the mind affirms the three angles of a triangle to be equal to two right angles. This affirmation involves the conception or idea of a triangle, that is, it cannot be conceived without... | |
 | John Locke - 1892 - 572 pàgines
...never took the pains to observe the demonstration, hearing a mathematician, a man of credit, affirm the three angles of a triangle to be equal to two right ones, assents to it, ie, receives it for true : in which case the foundation of his assent is the probability... | |
 | 1878 - 804 pàgines
...never took the pains to observe the demonstration, hearing a mathematician, a man of credit, affirm the three angles of a triangle to be equal to two right ones, assents to it ; ie, receives it for true. In which case the foundation of his assent is the probability... | |
 | Gottfried Wilhelm Freiherr von Leibniz - 1896 - 906 pàgines
...of the agreement or disagreement it seeks, and this is what we call reasoning. As in demonstrating the three angles of a triangle to be equal to two right angles, it finds some other angles which are seen to be equal both to the three angles of the triangle and... | |
 | Florian Cajori - 1898 - 512 pàgines
...familiar with other theorems, not recorded by the ancients. It has been inferred that he knew the sum of the three angles of a triangle to be equal to two right angles, and the sides of equiangular triangles to be proportional.3 The Egyptians must have made use of the... | |
 | David Hume - 1902 - 419 pàgines
...any circle and its tangent, and so on, in infinituml The demonstration of these principles seems as unexceptionable as that which proves the three angles of a triangle to be equal to two right ones, though the latter opinion be natural and easy, and the former big with contradiction and absurdity.... | |
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But another man, who never took the pains to observe the demonstration, hearing a mathematician, a man of credit, affirm the three angles of a triangle to be equal to two right ones, assents to it, ie receives it for true. 
