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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

Connectivity of an interval


Author: Mark Mandelker
Journal: Proc. Amer. Math. Soc. 54 (1976), 170-172
MathSciNet review: 0390140
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Abstract: Constructivizations are given for the classical theorem that an interval is connected in the sense that it cannot be the union of two nonvoid disjoint open subsets, and also for the theorem that an open set is the union of disjoint open intervals.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1976-0390140-4
Keywords: Interval, connected, constructive
Article copyright: © Copyright 1976 American Mathematical Society