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    Normative Systems.D. G. Londey - 1973 - Philosophical Quarterly 23 (92):280.
  2.  5
    Mathematical Logic.D. G. Londey - 1967 - Philosophical Quarterly 18 (72):273-275.
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  3. The elements of formal logic.C. E. Hughes & D. G. Londey - 1967 - Revue Philosophique de la France Et de l'Etranger 157:422-422.
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  4. QUINE, W. V. O.: "Set Theory and its Logic". [REVIEW]D. G. Londey - 1964 - Australasian Journal of Philosophy 42:294.
     
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