Raftery, James G.Swirydowicz, K.2016-03-152016-06Raftery, JG & Swirydowicz, K 2016, 'Structural completeness in relevance logics', Studia Logica, vol. 104, no. 3, pp. 381-387.0039-3215 (print)1572-8730 (online)10.1007/s11225-015-9644-xhttp://hdl.handle.net/2263/51881It is proved that the relevance logic R (without sentential constants) has no structurally complete consistent axiomatic extension, except for classical propositional logic. In fact, no other such extension is even passively structurally complete.en© Springer Science+Business Media Dordrecht 2015. The original publication is available at : http://link.springer.com/journal/11225.Sentential formulasAlgebraic signatureStructurally completeAdmissible ruleStructurally completeRelevance logicPostprint Article