The paper gives a strict proof to one property of the continuous convex preference.
本文给出连续凸偏好的一个性质的严格证明。
Flint papers: A base paper coated one side with a colour and afterwards hard burnished or flint glazed to produce a high gloss, water-proof surface.
蜡光纸：在基纸一面，图上颜色涂料，然后用燧石打磨成有光泽、防水的纸。
This paper, proves that there is at least one interior point satisfying the mean-value theorems, and points out an erroneous proof.
本文以多种方法证明了至少有一个内点满足这些中值定理。另外，指出了一种错误的证法。
This paper, proves that there is at least one interior point satisfying the mean-value theorems, and points out an erroneous proof.
本文以多种方法证明了至少有一个内点满足这些中值定理。另外，指出了一种错误的证法。
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