Modes of Adjointness.

The fact that many modal operators are part of an adjunction is probably folklore since the discovery of adjunctions. On the other hand, the natural idea of a minimal propositional calculus extended with a pair of adjoint operators seems to have been formulated only very recently. This recent resear...

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Publicado en:Journal of Philosophical Logic Vol. 43; no. 2/3; pp. 365 - 392
Autores principales: Menni, M., Smith, C.
Formato: Artículo
Publicado: Springer Nature Jun2014
Materias:
Acceso en línea:Ver este registro en EBSCOhost
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          Menni, M.
          Smith, C.
        affil: Conicet and Depto. de Matemática, Universidad Nacional de La Plata, 50 y 115 s/n 1900 La Plata Argentina
      su:
        Adjunction theory
        Folklore
        Operator theory
        Mathematics
        Computer science
        Propositional calculus
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          Adjunction theory
          Folklore
          Operator theory
          Mathematics
          Computer science
          Propositional calculus
      keyword:
        Adjoint functors
        Modal logic
      ab: The fact that many modal operators are part of an adjunction is probably folklore since the discovery of adjunctions. On the other hand, the natural idea of a minimal propositional calculus extended with a pair of adjoint operators seems to have been formulated only very recently. This recent research, mainly motivated by applications in computer science, concentrates on technical issues related to the calculi and not on the significance of adjunctions in modal logic. It then seems a worthy enterprise (both for these contemporary topical pursuits and also for historical interest) to trace the concept of adjunction back to the origins of the algebraic semantics of modal logic and to make explicit its ubiquity in this branch of mathematics.
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    language: English
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