An observation on the product of Silver's forcing -- Recursively unsolvable algorithmic problems and related questions reexamined -- Lectures on large cardinal axioms -- Indescribability properties and small large cardinals -- Marginalia to a theorem of Silver -- Computation theories: An axiomatic approach to recursion on general structures -- Closed models and hulls of theories -- Axioms of choice in Morse-Kelley class theory -- First-order logic and its extensions -- Set theory in infinitary languages -- Sur la méthode en histoire de la logioue -- The model theory of local fields -- Quantifier elimination -- Intensional semantics for natural language -- On extendability of models of ZF set theory to the models of Kelley-Morse theory of classes -- Many-valued algorithmic logic -- The least ? 2 1 and ? 2 1 reflecting ordinals -- Data types as lattices.