如果数学是一辆车,本坛只有几位机械师,还有几位司机,有一些乘客,还有一些

是火箭设计师。

看看机械师小谢的话:

That is, geometry is the mind's organizer for sorting out physical phenomena. Notions such as points and lines are in essence organizers and thetefore can not be truly defined rigorously. Algebra provides the language to precisely and accurately manipulate with these organizers. The ongoing discussion here lacks that algebraic language.

专业。

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