实数完备性基本定理及其推广
首发时间:2021-11-30
摘要:本文受文献《实数完备性基本定理的相互证明》的启发,考虑了从每一条基本定理开始更全面地循环论证实数完备性基本定理间的等价,同时也推广了之前一些学者的结果。在本文中,首先介绍了关于实数完备性基本定理的研究现状:其次给出了基本定理之间的循环证明;最后论述了实数集上的完备性基本定理可以推广到平面点集上并用实例进行了说明。
关键词: 实数完备性 等价性 平面点集上的完备性 有限覆盖定理 闭区间套
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Basic theorems of real number completeness and its generalization
Abstract:Inspired by the document "Mutual Proof of Basic Theorems of Real Number Completeness", this paper considers to demonstrate the equivalence of basic theorems of real number completeness more comprehensively from each basic theorem, and at the same time, it also generalizes the results of some previous scholars. In this paper, firstly, the research status of the basic theorems on the completeness of real numbers is introduced; secondly, the circular proof between the basic theorems is given; Finally, it is discussed that the basic theorem of completeness on real number set can be extended to plane point set and illustrated with examples.
Keywords: Real number completeness Equivalence Completeness on the complex plane Finite coverage theorem Nested of the closed interval
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