Journal of Formalized Mathematics
Volume 3, 1991
University of Bialystok
Copyright (c) 1991
Association of Mizar Users
Heine--Borel's Covering Theorem
-
Agata Darmochwal
-
Warsaw University, Bialystok
-
The article was written during my work at Shinshu University, 1991.
-
Yatsuka Nakamura
-
Shinshu University, Nagano
Summary.
-
Heine-Borel's covering theorem, also known as Borel-Lebesgue theorem
([5]), is proved. Some useful theorems about real
inequalities, intervals, sequences and notion of power sequence
which are necessary for the theorem are also proved.
MML Identifier:
HEINE
The terminology and notation used in this paper have been
introduced in the following articles
[20]
[22]
[2]
[21]
[3]
[1]
[23]
[7]
[11]
[9]
[6]
[16]
[8]
[4]
[17]
[13]
[12]
[14]
[18]
[19]
[15]
[10]
Contents (PDF format)
Bibliography
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Grzegorz Bancerek.
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Journal of Formalized Mathematics,
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Sequences of ordinal numbers.
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Paracompact and metrizable spaces.
Journal of Formalized Mathematics,
3, 1991.
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Nicolas Bourbaki.
\em Elements de Mathematique, volume Topologie Generale.
HERMANN, troisieme edition edition, 1960.
- [6]
Czeslaw Bylinski.
Binary operations.
Journal of Formalized Mathematics,
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Czeslaw Bylinski.
Functions from a set to a set.
Journal of Formalized Mathematics,
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Agata Darmochwal.
Compact spaces.
Journal of Formalized Mathematics,
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Agata Darmochwal.
Finite sets.
Journal of Formalized Mathematics,
1, 1989.
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Agata Darmochwal and Yatsuka Nakamura.
Metric spaces as topological spaces --- fundamental concepts.
Journal of Formalized Mathematics,
3, 1991.
- [11]
Stanislawa Kanas, Adam Lecko, and Mariusz Startek.
Metric spaces.
Journal of Formalized Mathematics,
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- [12]
Jaroslaw Kotowicz.
Monotone real sequences. Subsequences.
Journal of Formalized Mathematics,
1, 1989.
- [13]
Jaroslaw Kotowicz.
Real sequences and basic operations on them.
Journal of Formalized Mathematics,
1, 1989.
- [14]
Jaroslaw Kotowicz.
The limit of a real function at infinity.
Journal of Formalized Mathematics,
2, 1990.
- [15]
Rafal Kwiatek.
Factorial and Newton coefficients.
Journal of Formalized Mathematics,
2, 1990.
- [16]
Beata Padlewska and Agata Darmochwal.
Topological spaces and continuous functions.
Journal of Formalized Mathematics,
1, 1989.
- [17]
Jan Popiolek.
Some properties of functions modul and signum.
Journal of Formalized Mathematics,
1, 1989.
- [18]
Konrad Raczkowski and Andrzej Nedzusiak.
Real exponents and logarithms.
Journal of Formalized Mathematics,
2, 1990.
- [19]
Konrad Raczkowski and Pawel Sadowski.
Topological properties of subsets in real numbers.
Journal of Formalized Mathematics,
2, 1990.
- [20]
Andrzej Trybulec.
Tarski Grothendieck set theory.
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Axiomatics, 1989.
- [21]
Andrzej Trybulec.
Subsets of real numbers.
Journal of Formalized Mathematics,
Addenda, 2003.
- [22]
Zinaida Trybulec.
Properties of subsets.
Journal of Formalized Mathematics,
1, 1989.
- [23]
Edmund Woronowicz.
Relations and their basic properties.
Journal of Formalized Mathematics,
1, 1989.
Received November 21, 1991
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