This paper will try to study systematically on the principles andmethods of setting plane geometric problems in the mathematicsOlympic.
本文尝试对数学奥林匹克中平面几何试题的命题原则和命题方法进行系统地研究。
参考来源 - 数学奥林匹克中平面几何试题的命题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
另外一些几何命题则真正是分析性质的，并且是完全依据矛盾的原则得。
Some few fundamental propositions, presupposed by the geometrician, are, indeed, really analytic, and rest on the principle of contradiction.
罗素为解决休谟问题而提出归纳原则。金岳霖等人力图证明归纳原则是永真命题，但未对可能命题作出语义解释。
Other philosopher such as Jin Yulun tried hard to confirm that inductive principle was a tautology proposition, but didn't give semantic interpretation for possible proposition.
他要建立的道德原则是一个先天综合命题，是在所有经验以前就给予人的。
But in practical people doubted if there was any obeyable moral law. There is a contradiction between the conclusion and the fact of Kant's moral law.
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