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Published online by Cambridge University Press: 13 April 2010
1 See Skolem's, Thomas remarks on set theory in From Frege to Gödel: A Source Book in Mathematical Logic, 1879–1931, edited by Heijenoort, Jean van (Cambridge, MA: Harvard University Press, 1967).Google Scholar
2 Quine, W. V. O., Philosophy of Logic, 2nd ed. (Cambridge, MA: Harvard University Press, 1986).Google Scholar