Combining Texts

You have chosen 'works (all lost)' by Aristippus the elder, '64: Gryllus - on Rationality in Animals' by Plutarch and 'Interview with Baggini and Stangroom' by Robin Le Poidevin

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All the ideas for Natural Theory, or select a subheading:
      A. Speculations on Nature
      B. Natural Kinds
      C. Causation
      D. Laws of Nature