T H E E L E M E N T S |
Book III Proposition 16 | |
For, if there is any rectilineal angle greater than the angle contained by the line BA and the circumference CHA, and any rectilineal angle less than the angle contained by the circumference CHA and the straight line AE, then into the space between the circumference and the straight line AE a straight line will be interposed such as will make an angle contained by straight lines which is greater than the angle contained by the straight line BA and the circumference CHA, and another angle contained by straight lines whcih is less than the angle contained by the circumference CHA and the straight line AE. |
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