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

Bogdan Nowak

Lodz University

Grzegorz Bancerek

Warsaw University, Bialystok
Summary.

In the article we have shown that there exist universal classes, i.e.
there are sets which are closed w.r.t. basic set theory operations.
The terminology and notation used in this paper have been
introduced in the following articles
[12]
[8]
[13]
[4]
[9]
[11]
[14]
[6]
[7]
[2]
[3]
[1]
[5]
[10]
Contents (PDF format)
Bibliography
 [1]
Grzegorz Bancerek.
Cardinal numbers.
Journal of Formalized Mathematics,
1, 1989.
 [2]
Grzegorz Bancerek.
The ordinal numbers.
Journal of Formalized Mathematics,
1, 1989.
 [3]
Grzegorz Bancerek.
Sequences of ordinal numbers.
Journal of Formalized Mathematics,
1, 1989.
 [4]
Grzegorz Bancerek.
Zermelo theorem and axiom of choice.
Journal of Formalized Mathematics,
1, 1989.
 [5]
Grzegorz Bancerek.
Tarski's classes and ranks.
Journal of Formalized Mathematics,
2, 1990.
 [6]
Czeslaw Bylinski.
Functions and their basic properties.
Journal of Formalized Mathematics,
1, 1989.
 [7]
Czeslaw Bylinski.
Functions from a set to a set.
Journal of Formalized Mathematics,
1, 1989.
 [8]
Czeslaw Bylinski.
Some basic properties of sets.
Journal of Formalized Mathematics,
1, 1989.
 [9]
Agata Darmochwal.
Finite sets.
Journal of Formalized Mathematics,
1, 1989.
 [10]
Andrzej Nedzusiak.
$\sigma$fields and probability.
Journal of Formalized Mathematics,
1, 1989.
 [11]
Beata Padlewska.
Families of sets.
Journal of Formalized Mathematics,
1, 1989.
 [12]
Andrzej Trybulec.
Tarski Grothendieck set theory.
Journal of Formalized Mathematics,
Axiomatics, 1989.
 [13]
Zinaida Trybulec.
Properties of subsets.
Journal of Formalized Mathematics,
1, 1989.
 [14]
Edmund Woronowicz.
Relations and their basic properties.
Journal of Formalized Mathematics,
1, 1989.
Received April 10, 1990
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