Combining Texts

You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Naming and Necessity preface' by Saul A. Kripke and 'Meditatio de principio individui' by Gottfried Leibniz

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      A. Classical Physics
      B. Modern Physics
      C. Space
      D. Time
      E. Cosmology
      F. Chemistry
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