Tobias Schmidt-Samoa: Flexible heuristics for simplification with conditional lemmas by marking formulas as forbidden, mandatory, obligatory, and generous.
209-239
Dito Pataraia: Description of all functions definable by formulæ of the 2nd order intuitionistic propositional calculus on some linear Heyting algebras.
457-484
Anna Maria Radzikowska: Fuzzy modal-like approximation operators based on double residuated lattices.
485-506
P. Schreiner: Automatic checking properties of non-classical logics.
507-516
Andrzej Szalas: Second-order reasoning in description logics.
517-530