Presheaf semantics and independence results for some non-classical first- order logics

DOI10.1007/BF01620621zbMath0691.03013MaRDI QIDQ582278

Silvio Ghilardi

Publication date: 1989

Published in: Archive for Mathematical Logic (Search for Journal in Brave)

zbMATH Keywords

Kripke semanticsKripke framesincompletenessmodal logicsintermediate logic D-Jtoposes of set-valued functorsweak excluded middle schema

Mathematics Subject Classification ID

Modal logic (including the logic of norms) (03B45) Categorical logic, topoi (03G30) Intermediate logics (03B55)

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Cites Work

• First order categorical logic. Model-theoretical methods in the theory of topoi and related categories
• Directed frames
• Incompleteness results in Kripke semantics
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