Journal of Formalized Mathematics
Volume 14, 2002
University of Bialystok
Copyright (c) 2002 Association of Mizar Users

On the Decomposition of a Simple Closed Curve into Two Arcs


Andrzej Trybulec
University of Bialystok
This work has been partially supported by CALCULEMUS grant HPRN-CT-2000-00102. The work has been done while the author visited Shinshu University.
Yatsuka Nakamura
Shinshu University, Nagano

Summary.

The purpose of the paper is to prove lemmas needed for the Jordan curve theorem. The main result is that the decomposition of a simple closed curve into two arcs with the ends $p_1, p_2$ is unique in the sense that every arc on the curve with the same ends must be equal to one of them.

MML Identifier: JORDAN16

The terminology and notation used in this paper have been introduced in the following articles [25] [24] [27] [1] [26] [28] [3] [5] [9] [4] [22] [17] [21] [8] [7] [20] [2] [23] [15] [10] [6] [11] [19] [18] [12] [14] [13] [16]

Contents (PDF format)

Bibliography

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Received September 16, 2002


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