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Huishan Wu, Effective aspects of semiperfect rings; (full text - pdf), pp. 3 - 26.

Luciano J. Gonz\'alez, Perfect Hilbert algebras; (full text - pdf), pp. 27 - 48.

Eunsuk Yang, Powers and limitations of Urquhart-style semantics I: basic substructural logics; (full text - pdf), pp. 49 - 78.

Paolo Lipparini, A short way to directed J{\'o}nsson terms; (full text - pdf), pp. 79 - 95.

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