Combining Texts

You have chosen 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx, 'works' by John von Neumann and 'Introductions to 'Aesthetics and the Phil of Art'' by Lamargue,P/Olson,SH

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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