Hintikka, J. Knowing how, knowing that, and knowing what: observations on their relation in Plato and other Greek philosophers.--Hedenius, I. The concept of punishment.--Marc-Wogau, K. On the concept of dialectial development in Marxism.--Ekelöf, P. O. Definitions and concept formation in the law.--Hermerén, G. The existence of aesthetic qualities.--Regnéll, H. Explanation in analytical philosophy.--Furberg, M. On questions and pseudo-problems.--Moritz, M. Imperative implication and conditional imperatives.--Sosa, E. Standard conditions.--Danielsson, S. On the strength of commitments.--Aqvist, L. The emotive theory of ethics in the (...) light of recent developments in formal semantics and pragmatics.--Von Wright, G. H. Truth as modality. A contribution to the logic of sense and nonsense.--Hansson, B. and Gärdenfors, P. A guide to intentional semantics.--Kanger, S. Entailment.--Edman, M. Adding independent pieces of evidence.--Lindström, P. A characterization of elementary logic.--Woodruff, P. W. On constructive nonsense logic.--Segerberg, K. Halldén's theorem on Post completeness.--Philosophical works by Sören Halldén (p. 210-211). (shrink)