Journal of Formalized Mathematics

Volume 3, 1991

University of Bialystok

Copyright (c) 1991
Association of Mizar Users

##
Introduction to Modal Propositional Logic

**
Alicia de la Cruz**-
Universidad Politecnica de Madrid

#### MML Identifier:
MODAL_1

The terminology and notation used in this paper have been
introduced in the following articles
[13]
[12]
[8]
[16]
[15]
[11]
[14]
[17]
[5]
[18]
[4]
[9]
[6]
[10]
[1]
[7]
[2]
[3]
[19]
Contents (PDF format)

#### Bibliography

- [1]
Grzegorz Bancerek.
Cardinal numbers.
*Journal of Formalized Mathematics*,
1, 1989.
- [2]
Grzegorz Bancerek.
Introduction to trees.
*Journal of Formalized Mathematics*,
1, 1989.
- [3]
Grzegorz Bancerek.
K\"onig's Lemma.
*Journal of Formalized Mathematics*,
3, 1991.
- [4]
Grzegorz Bancerek and Krzysztof Hryniewiecki.
Segments of natural numbers and finite sequences.
*Journal of Formalized Mathematics*,
1, 1989.
- [5]
Czeslaw Bylinski.
Functions and their basic properties.
*Journal of Formalized Mathematics*,
1, 1989.
- [6]
Czeslaw Bylinski.
Functions from a set to a set.
*Journal of Formalized Mathematics*,
1, 1989.
- [7]
Czeslaw Bylinski.
Partial functions.
*Journal of Formalized Mathematics*,
1, 1989.
- [8]
Czeslaw Bylinski.
Some basic properties of sets.
*Journal of Formalized Mathematics*,
1, 1989.
- [9]
Czeslaw Bylinski.
Finite sequences and tuples of elements of a non-empty sets.
*Journal of Formalized Mathematics*,
2, 1990.
- [10]
Agata Darmochwal.
Finite sets.
*Journal of Formalized Mathematics*,
1, 1989.
- [11]
Andrzej Trybulec.
Domains and their Cartesian products.
*Journal of Formalized Mathematics*,
1, 1989.
- [12]
Andrzej Trybulec.
Enumerated sets.
*Journal of Formalized Mathematics*,
1, 1989.
- [13]
Andrzej Trybulec.
Tarski Grothendieck set theory.
*Journal of Formalized Mathematics*,
Axiomatics, 1989.
- [14]
Andrzej Trybulec.
Tuples, projections and Cartesian products.
*Journal of Formalized Mathematics*,
1, 1989.
- [15]
Andrzej Trybulec.
Subsets of real numbers.
*Journal of Formalized Mathematics*,
Addenda, 2003.
- [16]
Zinaida Trybulec.
Properties of subsets.
*Journal of Formalized Mathematics*,
1, 1989.
- [17]
Edmund Woronowicz.
Relations and their basic properties.
*Journal of Formalized Mathematics*,
1, 1989.
- [18]
Edmund Woronowicz.
Relations defined on sets.
*Journal of Formalized Mathematics*,
1, 1989.
- [19]
Wojciech Zielonka.
Preliminaries to the Lambek calculus.
*Journal of Formalized Mathematics*,
3, 1991.

Received September 30, 1991

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