Combining Texts

Ideas for 'Logicism and Ontological Commits. of Arithmetic', 'The Principles of Human Knowledge' and 'Posterior Analytics'

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2 ideas

10. Modality / A. Necessity / 2. Nature of Necessity
What is necessary cannot be otherwise [Aristotle]
10. Modality / A. Necessity / 3. Types of Necessity
A stone travels upwards by a forced necessity, and downwards by natural necessity [Aristotle]