Combining Texts

You have chosen 'Theory of Science (4 vols)' by Bernard Bolzano, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'The Intentional Fallacy' by W Wimsatt/W Beardsley

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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