Combining Texts

You have chosen 'On the Moral and Legal State of Abortion' by Mary Anne Warren, 'Investigations into Logical Deduction' by Gerhard Gentzen and 'The Boundary Stones of Thought' by Ian Rumfitt

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All the ideas for Modes of Existence, or select a subheading:
      A. Relations
      B. Properties
      C. Powers and Dispositions
      D. Universals
      E. Nominalism