TY - GEN ED - Colloquium on Modal and Many-Valued Logics ED - International Union of the History and Philosophy of Science. TI - Proceedings of a Colloquium on Modal and Many-Valued Logics, Helsinki, 23-26 August, 1962 T2 - Acta philosophica Fennica PY - 1963/// CY - Helsinki PB - Suomalaisen Kirjallisuuden Kirjapaino KW - Modality (Logic) KW - Logic, Symbolic and mathematical N1 - A colloquium held at the Swedish School of Economics, Helsinki, and sponsored by the Executive Committee of the Division of Logic, Methodology and Philosophy of Science of the International Union of the History and Philosophy of Science; Spine title: Modal and many-valued logics; Includes bibliographies ER -