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Difference between revisions of "System of closed classes"

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A system of classes of functions which are closed under the operations of the relevant [[Functional system|functional system]]. The most important examples are systems of subalgebras of the algebra of logic, systems of finite-valued logics, of automaton mappings, of algebras of recursive functions, and various others.
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A system of classes of functions which are closed under the operations of the relevant [[functional system]]. The most important examples are systems of subalgebras of the algebra of logic, systems of finite-valued logics, of automaton mappings, of algebras of recursive functions, and various others.
 
 
 
 
 
 
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====References====
<table><TR><TD valign="top">[a1]</TD> <TD valign="top"> R. Pöschel,   L.A. [L.A. Kaluzhnin] Kalužnin,   "Funktionen- und Relationenalgebren" , Deutsch. Verlag Wissenschaft.  (1979)  (Translated from Russian)</TD></TR></table>
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<table>
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<TR><TD valign="top">[a1]</TD> <TD valign="top"> R. Pöschel, L.A. [L.A. Kaluzhnin] Kalužnin, "Funktionen- und Relationenalgebren" , Deutsch. Verlag Wissenschaft.  (1979)  (Translated from Russian)</TD></TR>
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Latest revision as of 14:08, 15 April 2023

A system of classes of functions which are closed under the operations of the relevant functional system. The most important examples are systems of subalgebras of the algebra of logic, systems of finite-valued logics, of automaton mappings, of algebras of recursive functions, and various others.

References

[a1] R. Pöschel, L.A. [L.A. Kaluzhnin] Kalužnin, "Funktionen- und Relationenalgebren" , Deutsch. Verlag Wissenschaft. (1979) (Translated from Russian)
How to Cite This Entry:
System of closed classes. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=System_of_closed_classes&oldid=53796
This article was adapted from an original article by V.B. Kudryavtsev (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article