Combining Philosophers

Ideas for Aristotle, Allan Gibbard and Deborah Achtenberg

expand these ideas     |    start again     |     choose another area for these philosophers

display all the ideas for this combination of philosophers

6 ideas

10. Modality / A. Necessity / 2. Nature of Necessity
What is necessary cannot be otherwise [Aristotle]
Necessity makes alternatives impossible [Aristotle]
10. Modality / A. Necessity / 3. Types of Necessity
A stone travels upwards by a forced necessity, and downwards by natural necessity [Aristotle]
10. Modality / A. Necessity / 4. De re / De dicto modality
A deduction is necessary if the major (but not the minor) premise is also necessary [Aristotle]
10. Modality / A. Necessity / 6. Logical Necessity
Reasoning is when some results follow necessarily from certain claims [Aristotle]
A thing has a feature necessarily if its denial brings a contradiction [Aristotle]