Modal predicates and coequations
Autoři | |
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Rok publikování | 2002 |
Druh | Článek v odborném periodiku |
Časopis / Zdroj | Electronic Notes in Theoretical Computer Science |
Fakulta / Pracoviště MU | |
Citace | |
Obor | Obecná matematika |
Klíčová slova | coalgebra; coequation |
Popis | We show that coalgebras can be presented by operations and equations. This is a special case of Linton's approach to algebras over a general base category. We prove a general co-Birkhoff theorem describing covarieties of coalgebras by means of coequations. We argue that the resulting coequational logic generalises modal logic. |
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