Journal of Formalized Mathematics
Volume 14, 2002
University of Bialystok
Copyright (c) 2002
Association of Mizar Users
Half Open Intervals in Real Numbers
-
Yatsuka Nakamura
-
Shinshu University, Nagano
Summary.
-
Left and right half open intervals in the real line are defined.
Their properties are investigated. A class of all finite union of such
intervals are, in a sense, closed by operations of union, intersection
and the difference of sets.
MML Identifier:
RCOMP_2
The terminology and notation used in this paper have been
introduced in the following articles
[3]
[6]
[1]
[4]
[5]
[2]
Contents (PDF format)
Bibliography
- [1]
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- [2]
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2, 1990.
- [3]
Andrzej Trybulec.
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Axiomatics, 1989.
- [4]
Andrzej Trybulec.
Subsets of real numbers.
Journal of Formalized Mathematics,
Addenda, 2003.
- [5]
Andrzej Trybulec and Czeslaw Bylinski.
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Journal of Formalized Mathematics,
1, 1989.
- [6]
Zinaida Trybulec.
Properties of subsets.
Journal of Formalized Mathematics,
1, 1989.
Received February 1, 2002
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