References
J. L. Bell andA. B. Slomson,Models and Ultraproducts: An Introduction, Amsterdam, North-Holland Publishing Company, 1971.
Richard Routley andRobert K. Meyer, “The Semantics of Entailment I.” in H. Leblanc, ed.Truth, Syntax, Modality, Amsterdam, North-Holland Publishing Company, 1972.
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This paper is an extract from my doctoral dissertation,Algebraic Semantics for Modal and Relevant Predicate Logics. I want to thank my advisor, Professor J. Michael Dunn, for much helpful advice and encouragement throughout the preparation of this dissertation. I also want to thank the Graduate School of Indiana University for supporting me with a University Fellowship.
Allatum est die 9 Aprilis 1975
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Freeman, J.B. Compactness for RQ. Stud Logica 34, 269–274 (1975). https://doi.org/10.1007/BF02125230
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DOI: https://doi.org/10.1007/BF02125230