Journal of Formalized Mathematics
Volume 2, 1990
University of Bialystok
Copyright (c) 1990 Association of Mizar Users

On Projections in Projective Planes --- Part II


Eugeniusz Kusak
Warsaw University, Bialystok
Wojciech Leonczuk
Warsaw University, Bialystok
Krzysztof Prazmowski
Warsaw University, Bialystok

Summary.

We study in greater details projectivities on Desarguesian projective planes. We are particularly interested in the situation when the composition of given two projectivities can be replaced by another two, with given axis or centre of one of them.

Supported by RPBP.III-24.C6.

MML Identifier: PROJRED2

The terminology and notation used in this paper have been introduced in the following articles [4] [6] [7] [8] [5] [3] [1] [2]

Contents (PDF format)

Bibliography

[1] Czeslaw Bylinski. Functions and their basic properties. Journal of Formalized Mathematics, 1, 1989.
[2] Eugeniusz Kusak and Wojciech Leonczuk. Incidence projective space (a reduction theorem in a plane). Journal of Formalized Mathematics, 2, 1990.
[3] Wojciech Leonczuk and Krzysztof Prazmowski. Incidence projective spaces. Journal of Formalized Mathematics, 2, 1990.
[4] Andrzej Trybulec. Tarski Grothendieck set theory. Journal of Formalized Mathematics, Axiomatics, 1989.
[5] Wojciech A. Trybulec. Axioms of incidency. Journal of Formalized Mathematics, 1, 1989.
[6] Zinaida Trybulec. Properties of subsets. Journal of Formalized Mathematics, 1, 1989.
[7] Edmund Woronowicz. Relations and their basic properties. Journal of Formalized Mathematics, 1, 1989.
[8] Edmund Woronowicz. Relations defined on sets. Journal of Formalized Mathematics, 1, 1989.

Received October 31, 1990


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