Euclid's Elements

• Cecilia

  2021-01-24
  各种译本也是一言难尽
• 热血寒风

  2017-04-04
  a point is that which has no part.what is equal, magnitude, unit, number, ratio, defibition, coincide...on the beauty of math
• Hypercube

  2016-08-05
  几百年前看完的课外书如今竟然成为了上课教材233