In classical set theory, an ordinary set is a unified whole which is composed of some elements.

经典集合论中，一个普通集合就是指某些元素组成的整体。

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In this paper, we prove that there is an inconsistency in any infinite set of the classical set theory or the modern axiomatic set theory.

文中证明古典集合论与近代公理集合论中的任何一个无穷集合都是自相矛盾的非集。

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This paper introduces extension and extension decision, relations and differences among extension set, classical set and fuzzy set and study trait of extension set and applied extension decision.

讨论了可拓学与可拓决策产生的实际背景，可拓集合与经典集合、模糊集合之间的区别和联系。研究了可拓集合的特点及其可拓决策应用的前景。

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So if you get the CD set, not only do you get a wonderful beginning library of classical music but in effect you get a lifetime service contract with it.

所以一旦你买了整套CD,你不仅可以拥有一个古典乐图书馆,而且还可以享受终身服务

耶鲁公开课 - 聆听音乐课程节选

The stage set had a classical theme broken columns against a fiery sky and a long, low ramp ran in front of it.

NEWYORKER: The Strongest Man in the World

Southern Pro Musica (SPM) is set to provide classical music until 2017.

BBC: Girls playing violins

For the gigging musician, this could be an excellent investment, especially if your set list calls for the sound of a nylon classical guitar on one song and an electric sitar on another.

NPR: The Variax: Many Sounds from One Guitar