Epistemology, Methodology, and Philosophy of Science: Essays in Honour of Carl G. Hempel on the Occasion of His 80th Birthday, January 8th 1985

Methodology, Epistemology, and Philosophy of Science: Essays in Honour of Wolfgang Stegmüller on the Occasion of his 60th B irth day, June 3rd, 1983. Reprinted from the Journal Erkenntnis, Vol. 19, Nos 1,2 and 3