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https://journals.uvic.ca/index.php/pir/article/view/8388 John Earman, Allen I. Janis, Gerald J. Massey, and Nicholas Rescher, eds., "Philosophical Problems... john earman nicholas rescher philosophical problems allen janis https://boris-portal.unibe.ch/entities/publication/43e1f1d8-1c69-463d-8bfb-8d06c3c5cb38 Nicholas Rescher's Systematic Philosophy - Introduction nicholas rescher systematic philosophy introduction https://www.deutsche-digitale-bibliothek.de/person/gnd/118599836 Nicholas Rescher - Deutsche Digitale Bibliothek deutsche digitale bibliothek nicholas rescher