On logic of complex algorithms |
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Authors: | Helena Rasiowa |
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Institution: | (1) Department of Mathematics, University of Warsaw, Poland |
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Abstract: | An algebraic approach to programs called recursive coroutines — due to Janicki 3] — is based on the idea to consider certain
complex algorithms as algebraics models of those programs. Complex algorithms are generalizations of pushdown algorithms being
algebraic models of recursive procedures (see Mazurkiewicz 4]). LCA — logic of complex algorithms — was formulated in 11].
It formalizes algorithmic properties of a class of deterministic programs called here complex recursive ones or interacting
stacks-programs, for which complex algorithms constitute mathematical models. LCA is in a sense an extension of algorithmic
logic as initiated by Salwicki 14] and of extended algorithmic logic EAL as formulated and examined by the present author
in 8], 9], 10]. In LCA — similarly as in EAL-ω
+ -valued logic is applied as a tool to construct control systems (stacks) occurring in corresponding algorithms.
The aim of this paper is to give a complete axiomatization. of LCA and to prove a completeness theorem.
Logic of complex algorithms was presented at FCT'79 (International Symposium on Fundamentals of Computation Theory, Berlin
1979) |
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