 | Oliver J. Thatcher - 2004 - 466 หน้า
...underlies all conceptions of pure space. Accordingly, no geometrical proposition, as, for instance, that any two sides of a triangle are greater than the third side, can ever be derived from the general conceptions of line and triangle, but only from perception.... | |
 | 1921 - 710 หน้า
...underlies all conceptions of pure space. Accordingly, no geometrical proposition, as, for instance, that any two sides of a triangle are greater than the third side, can ever be derived fr' conceptions of line and triangle, but only from perception. From the... | |
 | Euclid - 454 หน้า
...(Elemente der Geometrie, 1834, p. 4), that to take this as the definition involves assuming the proposition that any two sides of a triangle are greater than the third and proving that straight lines which have two points in common coincide throughout their length (cf.... | |
 | Great Britain. Parliament. House of Commons - 1872 - 912 หน้า
...the expense of gilding a hemispherical dome 18 feet in diameter, at 1». 8rf. a square foot. 4. Prore that any two sides of a triangle are greater than the third side without producing the side. 5. If equal triangles not coinciding stand on the same base and on... | |
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Accordingly, no geometrical proposition, as, for instance, that any two sides of a triangle are greater than the third side, can ever be derived from the general conceptions of line and triangle, but only from perception. 
