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On the bounds of the minimal length of sequences representing simply ordered se...A. ABIAN; David Deever3PDF
Some generalized Sheffer functions.S., Abian, A. LaMacchia6PDF
Paths in Kleene's 0.Peter H.G. Aczel8PDF
Aussagenlogisch fundierte Theorien.Horst Luckhardt37PDF
Zur Axiomatisierbarkeit von Theorien in der schwachen Logik der zweiten Stufe.Wolfram Schwabhäuser60PDF
Von Wright's relative Modalitäten.Horst Luckhardt97PDF
On the existence of an empty set in set-theoretical methods.A. ABIAN; S. LaMacchia123PDF