| Robert Simson - 1762 - 466 sider
...Book I. angle ACB is equal to the angle CBD. and becaufe the Araight line BC meets the two ftraight **lines AC, BD and makes the alternate angles ACB, CBD equal to one another, AC is parallel** c to BD. and it was fhewn to be equal to it. therefore ftraight lines &c. Q._E. D. PROP. XXXIV. THEOR.... | |
| Euclid - 1781 - 520 sider
...equal to the angle CBD ; V^"VO and becaufe the ftraight line BC meets the two ftraight lines b *• '. **AC, BD, and makes the alternate angles ACB, CBD equal to one another, AC is parallel** e to BD ; and it was f liown to be c tj. r. equal to it. Therefore ftraight lines, &c. Q; E• D. PROP.... | |
| Robert Simson - 1781 - 466 sider
...angle CBD. and becaule the ftraight line BC meets the two ftraight lines AC, 13D and makes b. 4- 1. **the alternate angles ACB, CBD equal to one another, AC is parallel** c to BD. and it was fhewn to be equal to it. therefore0- **, '• ftraight lines, &c. Q^ED PROP. XXXIV.... | |
| Alexander Ingram - 1799 - 351 sider
...- the angle ACB is equal to the angle CBD ; and becaufe the ftraight line BC meets the two ftraight **lines AC, BD, and makes the alternate angles ACB, CBD equal to one another, AC is** paC »7» i. rallel c to BD ; and it was mown to be equal to it. Therefore ftraight lines, gcc. C^E... | |
| Robert Simson - 1804
...CBD. and becaufe the ^-~V"-; ftraight line BC meets the two ftraight lines AC, BD and makes, ' 4' i" **the alternate angles ACB, CBD equal to one another, AC is parallel** c to BD. and it was fhewn to be equal t« it. therefore c. 27« ftraight lines, &c. Q^ E, D. PROP.... | |
| Robert Simson - 1806 - 518 sider
...base DF, and the triangle GBC to the tri- a 4. 1. angle DEF, and the other angles to the other angles, **each to each, to which the equal sides are opposite ; therefore the angle** GCB is equal to the angle DFE ; but DFE is, by the hypothesis, equal to the angle BCA ; wherefore also... | |
| John Playfair - 1806 - 311 sider
...is equal to the base DF, and the triangle ABH to the triangle DEF, and the other angles are equal, **each to each, to which the equal sides are opposite ; therefore the angle** BHA is equal to the angle t EFD ; but EFD is equal to the angle BCA ; therefore also Book I. the angle... | |
| Euclides - 1814
...the base BD, and the triangle ABC to the triangle BCD, and the other angles to the other angles 6 , **each to each, to which the equal sides are opposite;...therefore the angle ACB is equal to the angle CBD; and** be- Boon I. canse the straight line BC meets the two straight lines AC, w ~v" ' -' BD, and makes the... | |
| Euclides - 1816 - 528 sider
...common to the two triangles BFC, CGB ; wherefore the triangles are equal b, and their remaining angles, **each to each, to which the equal sides are opposite ; therefore the angle** FBC is equal to the angle GCB, and the angle BCF to the angle CBG: And, since it has been demonstrated,... | |
| John Playfair - 1819 - 317 sider
...base BD, and the triangle ABC to the triangle BCD, and the other angles to the other angles (4. 1.), **each to each, to which the equal sides are opposite...BD, and makes the alternate angles ACB, CBD equal to** ofie another, AC is parallel (27. 1.) to BD ; and it was shewn to be ^q'nal to it. Therefore, straight... | |
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