几何原本（全译插图本）

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智慧狗兔

2022-08-28

01 /点是没有部分的东西。Apointis that which has no part.02 /线是没有宽的长。Alineis breadthless length.03 / 线之端是点。The extremities of a line are points.
宣棋

2017-01-23

(Euclid) Two unequal magnitudes being set out, if from the greater there be subtracted a magnitude greater than its half, and from that which is left a magnitude greater than its half, and if this process be repeated continually, there will be left some magnitude which will be less than the lesser magnitude set out.(Newton)Quantities, as well as the ratios of quantities, which in any finite time you please constantly tend towards equality, and before the end of that time approach nearer to each other than by any given difference you please, become ultimately equal.
Llorva

2013-08-17

There is no royal road to geometry.

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