Combining Texts

You have chosen 'Causal Explanation' by David Lewis, 'Substance and Essence in Aristotle' by Charlotte Witt and 'Understanding and Essence' by Anand Vaidya

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