Combining Texts

You have chosen 'An Introduction to Hegel' by Stephen Houlgate, 'On the Essence of Truth' by Martin Heidegger and 'What are Sets and What are they For?' by Oliver,A/Smiley,T

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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