Combining Texts

You have chosen 'A Problem about Substitutional Quantification?st1=Saul A. Kripke' by , 'Democracy in America (abr Renshaw)' by Alexis de Tocqueville and 'works' by Plato

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All the ideas for Mathematics, or select a subheading:
      A. Nature of Mathematics
      B. Foundations for Mathematics
      C. Sources of Mathematics