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"Ein Vollständigkeitsbeweis Für Die Aussagenlogischen ..."
Johannes Czermak (1975)
- Johannes Czermak:
Ein Vollständigkeitsbeweis Für Die Aussagenlogischen ModalitätensystemeM, S 4, Br UndS 5. Arch. Math. Log. 17(1-2): 45-49 (1975)
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