Journal of Philosophical LogicJanuary 1978, Volume 7, Issue 1, pp 49–72Four paradoxesAuthorsAuthors and affiliationsJ. F. A. K. Van BenthemArticleDOI: 10.1007/BF00245920Cite this article as: Van Benthem, J.F.A.K. J Philos Logic (1978) 7: 49. doi:10.1007/BF00245920Copyright information© D. Reidel Publishing Company 1978Authors and AffiliationsJ. F. A. K. Van BenthemThere are no affiliations available