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1980Outline of a nominalist theory of propositions
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1982Husserl and intentionality
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1985Sociobiology and epistemology
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1986Frege synthesized
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1986Practical reasoning in human affairs
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1988Perspectives on mind
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1989Logic and philosophy in the Lvov—Warsaw school
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1989Mathematical intuition
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1989Language as calculus vs. language as universal medium
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1992Tradition and individuality