Ackermann, W,; Bachmann, F.; Gentzen, G.; Kratzer, A.; Scholz, Heinrich - Forschungen zur Logik und zur Grundlegung der exakten Wissenschaften. Neue Folge. Heft 1-8.

Hildesheim, Verlag Dr. H.A. Gerstenberg, 1970, cloth, 4to, 40, 58, 48, 44, 22, 43, 29, 27 pp., AussagenkalKül; Geometrie; Mechanik; Zahlentheorie; Semiotik; Logik; very good condition (unused). . ISBN: 3806700133.

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