Combining Texts

You have chosen 'On Body and Force, Against the Cartesians' by Gottfried Leibniz, 'Psychophysical and theoretical identifications' by David Lewis and 'Of liberty, Fate and God's grace' by Gottfried Leibniz

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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