In Li Zhen’s ninth-grade mathematics class here last week, the morning drill was geometry. Students at the middle school affiliated with Jing’An Teachers’ College were asked to explain the relative size of geometric shapes by using Euclid’s theorem of parallelograms.Question: Should law students, lawyers, judges, and ... er ... law teachers be able to reason about this sort of problem?A teacher instructed students in class at the middle school associated with Jing’An Teachers’ College in central Shanghai.
“Who in this class can tell me how to demonstrate two lines are parallel without using a proportional segment?” Ms. Li called out to about 40 students seated in a cramped classroom.
It's here: the law of evidence on Spindle Law. See also this post and this post.