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Nonassociative substructural logics and their semilinear extensions: Axiomatization and completeness properties

AutorCintula, Petr; Horcík, Rostislav; Noguera, Carles
Palabras claveNonassociative
Completeness
Semilinear substructural logics
Fecha de publicación2013
EditorCambridge University Press
CitaciónThe Review of Symbolic Logic 6 (3): 394- 423 (2013)
ResumenSubstructural logics extending the full Lambek calculus FL have largely benefited from a systematical algebraic approach based on the study of their algebraic counterparts: residuated lattices. Recently, a nonassociative generalization of FL (which we call SL) has been studied by Galatos and Ono as the logic of lattice-ordered residuated unital groupoids. This paper is based on an alternative Hilbert-style presentation for SL which is almost MP-based. This presentation is then used to obtain, in a uniform way applicable to most (both associative and nonassociative) substructural logics, a form of local deduction theorem, description of filter generation, and proper forms of generalized disjunctions. A special stress is put on semilinear substructural logics (i.e., logics complete with respect to linearly ordered algebras). Axiomatizations of the weakest semilinear logic over SL and other prominent substructural logics are provided and their completeness with respect to chains defined over the real unit interval is proved. Copyright © Association for Symbolic Logic 2013.
URIhttp://hdl.handle.net/10261/133525
DOI10.1017/S1755020313000099
Identificadoresdoi: 10.1017/S1755020313000099
issn: 1755-0203
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