A metacompleteness theorem for contraction-free relevant logics

Studia Logica 43 (1-2):159 - 168 (1984)
I note that the logics of the relevant group most closely tied to the research programme in paraconsistency are those without the contraction postulate(A.AB).AB and its close relatives. As a move towards gaining control of the contraction-free systems I show that they are prime (that wheneverA B is a theorem so is eitherA orB). The proof is an extension of the metavaluational techniques standardly used for analogous results about intuitionist logic or the relevant positive logics.
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DOI 10.1007/BF00935747
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References found in this work BETA
Robert K. Meyer (1976). Metacompleteness. Notre Dame Journal of Formal Logic 17 (4):501-516.
Robert K. Meyer (1976). Negation Disarmed. Notre Dame Journal of Formal Logic 17 (2):184-190.

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Ross Thomas Brady (2010). Free Semantics. Journal of Philosophical Logic 39 (5):511 - 529.

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