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  1.  9
    David F. Siemens Jr (1981). Deduction, Induction and Causality. Philosophical Inquiry 3 (2):117-125.
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  2.  5
    David F. Siemens (1961). An Extension of “Fitch's Rules”. Mathematical Logic Quarterly 7 (11‐14):199-204.
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  3.  8
    David F. Siemens (1977). Fitch-Style Rules for Many Modal Logics. Notre Dame Journal of Formal Logic 18 (4):631-636.
  4. Hyung S. Choi, David F. Siemens & Shirley E. Williams (eds.) (2001). Naturalism: Its Impact on Science, Religion and Literature. Canyon Institute for Advanced Studies.
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  5. David F. Siemens (1961). An Extension of “Fitch's Rules”. Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 7 (11-14):199-204.
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  6. David F. Siemens Jr (2001). Pt. 1. Naturalism in Science. Naturalism: An Overview. In Hyung S. Choi, David F. Siemens & Shirley E. Williams (eds.), Naturalism: Its Impact on Science, Religion and Literature. Canyon Institute for Advanced Studies
     
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  7. David F. Siemens (1976). Review: Brian Skyrms, Choice and Chance. An Introduction to Inductive Logic. [REVIEW] Journal of Symbolic Logic 41 (2):547-548.
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  8. David F. Siemens (1977). Review: Henry J. Ehlers, Logic: Modern and Traditional. [REVIEW] Journal of Symbolic Logic 42 (4):584-585.
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