Combining Texts

Ideas for 'Metaphysics', 'Possibility' and 'An American Indian model of the Universe'

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3 ideas

10. Modality / A. Necessity / 2. Nature of Necessity

12611

Necessity makes alternatives impossible [Aristotle]

10. Modality / A. Necessity / 6. Logical Necessity

17852

A thing has a feature necessarily if its denial brings a contradiction [Aristotle]

13394

Entailment does not result from mutual necessity; mutual necessity ensures entailment [Jubien]