Combining Texts

You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'What is Art?' by Leo Tolstoy and 'A Theory of Conditionals' by Robert C. Stalnaker

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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