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

Josef Urban

Charles University,
Praha
Summary.

Initial notions for order sorted algebras.
This work was done during author's research visit in
Bialystok, funded by the CALCULEMUS grant
HPRNCT200000102.
MML Identifier:
OSALG_1
The terminology and notation used in this paper have been
introduced in the following articles
[10]
[14]
[15]
[17]
[3]
[16]
[4]
[9]
[8]
[5]
[2]
[6]
[1]
[11]
[13]
[12]
[7]

Preliminaries

The Notions: OrderSorted, Discernable, OpDiscrete

Order Sorted Signature
Acknowledgments
Thanks to Joseph Goguen, for providing me with his
articles on osas, and Andrzej Trybulec, for
suggesting and funding this work in Bialystok.
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Received September 19, 2002
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