Geoffrey Hellman Geoffrey Hellman is an American professor and philosopher. He is Professor of Philosophy at the University of Minnesota in Minneapolis, Minnesota . He obtained his B.A. and Ph.D. degrees in philosophy from Harvard University . He was elected to the American Academy of Arts and Sciences in 2007.Books Hellman, Geoffrey. Mathematics without Numbers. Towards a Modal-Structural Interpretation . The Clarendon Press , Oxford University Press , New York , 1989.Selected works Hellman, Geoffrey Constructive Mathematics and Quantum Mechanics: Unbounded Operators and the Spectral Theorem , Journal of Philosophical Logic 12, 221-248. Feferman, Solomon; Hellman, Geoffrey Predicative foundations of arithmetic. J. Philos. Logic 24, no. 1, 1--17. Hellman, Geoffrey Bayes and beyond. Philos. Sci. 64, no. 2, 191–221. Hellman, Geoffrey Mathematical constructivism in spacetime . British J. Philos. Sci. 49, no. 3, 425–450. Feferman, Solomon; Hellman, Geoffrey Challenges to predicative foundations of arithmetic. Between logic and intuition, 317–338, Cambridge Univ. Press, Cambridge.
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