级数∑i=1^∞ 1／2^i=1在鲁津定理和叶果洛夫定理证明中的应用

The applications of series∑i=1^∞ 1/2^i=1 in the proofs of the Lusin and Egoroff Theorem

我们分析了如何应用级数∑i=1^∞ 1／2^i=1证明鲁金定理和叶果洛夫定理，并通过分析叶果洛夫定理的证明，介绍了一种证明定理的常用思想方法．

In this note, we analyzed how to apply the series ∑i=1^∞ 1/2^i=1 in the proofs of the Lusin and Egoroff theorem and summarized a general strategy for proving some important theorems.