Based on conventional definition of lower convex function,the properties of lower convex function that are related to inequality proving are studied. Let n be any natural number,The deduction of this property is demonstrated by using Jenven inequality,and
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雷澜.凸函数的性质与不等式证明[J].重庆工商大学学报(自然科学版),2000,(4): LEI Lan. Properties of Convex Function and Inequality Proving[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2000,(4):