Combining Texts

You have chosen 'Principles of Philosophy' by Ren�� Descartes, 'Letters to Hugo Boxel' by Baruch de Spinoza and 'Machine Man' by Julien Offray de La Mettrie

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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