Combining Texts

You have chosen 'Letters to Remond de Montmort' by Gottfried Leibniz, 'Cardinality, Counting and Equinumerosity' by Richard G. Heck and 'Identity in Substances and True Propositions' by Gottfried Leibniz

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All the ideas for Thought, or select a subheading:
      A. Modes of Thought
      B. Mechanics of Thought
      C. Content
      D. Concepts
      E. Abstraction