Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Intros to Russell's 'Essays in Analysis'' by Douglas Lackey and 'On Signs (damaged)' by Philodemus

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All the ideas for Science, or select a subheading:
      A. Basis of Science
      B. Scientific Theories
      C. Induction
      D. Explanation