Studia Logica

, Volume 98, Issue 3, pp 429-443

First online:

Paraconsistency in Categories: Case of Relevance Logic

  • Vladimir L. VasyukovAffiliated withInstitute of Philosophy, Russian Academy of Science Email author 

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Categorical-theoretic semantics for the relevance logic is proposed which is based on the construction of the topos of functors from a relevant algebra (considered as a preorder category endowed with the special endofunctors) in the category of sets Set. The completeness of the relevant system R of entailment is proved in respect to the semantic considered.


Toposes relevant algebra RN-categories topos of functors interpretation of the relevance logic in topos completeness of the logic RL