In this paper,by using the method of set theory,we prove that the set of continuity points of the first Baire function over R~n is a second category.
利用集合论的方法,证明了欧氏空间Rn上第一类Baire函数的连续点构成的集合是Rn空间中的第二纲集。
Wang guo-wei put forward the aesthetic definitions of the first form and the second form in "The Position of Classic Taste In Aesthetics".
王国维在1907年发表的《古雅之在美学上之位置》中提出“第一形式”和“第二形式”美学理论。
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