Pospesel, H. (1976). Predicate logic: Introduction to logic. Prentice Hall.
Chicago Style aipamenaPospesel, Howard. Predicate Logic: Introduction to Logic. Englewood Cliffs, New Jersey: Prentice Hall, 1976.
MLA aipamenaPospesel, Howard. Predicate Logic: Introduction to Logic. Prentice Hall, 1976.
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