In this paper, the conception of the standard well ordered set is introduced and ten theorems of the standard well ordered set has been proved.

本文引进标准良序集概念并且证明了标准良序集的十个定理。

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Finally we prove that well-ordered set and real set both have ordered topological hereditary.

最后证明了良序集和实数集合具有序拓扑遗传性。

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He ordered a set of changes in counterterrorism procedures, including how the watch list system operates, as well as new efforts to develop more sophisticated explosives detection technology for airport screening checkpoints.

NPR: 'System Failure' In U.S. Screening For Terrorists