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G·Shafer在他的证据权的理论中,为建立证据估价W与共通函数Q之间的联系—定理5.4,给出了三个引理。本文对这些引理的正确性提出了质疑,并给出正确结果。为了建立侵蚀函数V与证据估价W之间的联系,本文采用了较G·Shafer更简捷的方法,从而不仅使得上述联系更加理想,而且推出了关于侵蚀函数V的一个公式。
G Shafer, in his theory of the right of evidence, establishes the connection between the value W of the evidence and the common function Q. Theorem 5.4 gives three lemmas. This article questions the correctness of these lemmas and gives the correct result. In order to establish the connection between the erosion function V and the evidence valuation W, a simpler method than G Shafer is adopted in this paper, which not only makes the above connection more ideal, but also introduces a formula about the erosion function V.