Combining Texts

You have chosen 'Ways of Worldmaking' by Nelson Goodman, 'Extrinsic Properties' by David Lewis and 'The Spirit of the Laws (rev. 1757)' by Baron de Montesquieu

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Mathematics, or select a subheading:
      A. Nature of Mathematics
      B. Foundations for Mathematics
      C. Sources of Mathematics