Journal of Philosophical Logic

, Volume 39, Issue 2, pp 139–158 | Cite as

A Routley-Meyer Type Semantics for Relevant Logics Including Br Plus the Disjunctive Syllogism

  • Gemma RoblesEmail author
  • José M. Méndez


Routley-Meyer type ternary relational semantics are defined for relevant logics including Routley and Meyer’s basic logic B plus the reductio rule \( \vdash A\rightarrow \lnot A\Rightarrow \vdash \lnot A\) and the disjunctive syllogism. Standard relevant logics such as E and R (plus γ) and Ackermann’s logics of ‘strenge Implikation’ Π and Π are among the logics considered.


Relevant logics Disjunctive syllogism Routley-Meyer semantics Ackermann’s Π and Π 


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© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Dpto. de Historia y Filosofía de la CC, la Ed. y el Lenguaje, Facultad de FilosofíaUniversidad de La LagunaLa LagunaSpain
  2. 2.Universidad de Salamanca Campus Unamuno, Edificio FESSalamancaSpain

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