Journal of Formalized Mathematics
Volume 13, 2001
University of Bialystok
Copyright (c) 2001
Association of Mizar Users
The Urysohn Lemma
-
Jozef Bialas
-
Lodz University
-
Yatsuka Nakamura
-
Shinshu University, Nagano
Summary.
-
This article is the third part of a paper proving
the fundamental Urysohn Theorem concerning the
existence of a real valued continuous function on
a normal topological space.
The paper is divided into two parts. In the first
part, we describe the construction of the function
solving thesis of the Urysohn Lemma. The second part
contains the proof of the Urysohn Lemma in normal
space and the proof of the same theorem for compact space.
The terminology and notation used in this paper have been
introduced in the following articles
[17]
[19]
[2]
[18]
[1]
[20]
[8]
[9]
[14]
[12]
[11]
[15]
[13]
[7]
[16]
[10]
[3]
[4]
[5]
[6]
Contents (PDF format)
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Received February 16, 2001
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