Combining Philosophers

All the ideas for Eurytus, Jean Buridan and Roger Penrose

expand these ideas     |    start again     |     specify just one area for these philosophers

---

8 ideas

2. Reason / A. Nature of Reason / 9. Limits of Reason

1403	A rational donkey would starve to death between two totally identical piles of hay [Buridan, by PG]

9. Objects / C. Structure of Objects / 4. Quantity of an Object

16678

Without magnitude a thing would retain its parts, but they would have no location [Buridan]

9. Objects / E. Objects over Time / 8. Continuity of Rivers

16793

A thing is (less properly) the same over time if each part is succeeded by another [Buridan]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16726

Why can't we deduce secondary qualities from primary ones, if they cause them? [Buridan]

14. Science / A. Basis of Science / 2. Demonstration

16577

Induction is not demonstration, because not all of the instances can be observed [Buridan]

14. Science / C. Induction / 2. Aims of Induction

16576

Science is based on induction, for general truths about fire, rhubarb and magnets [Buridan]

15. Nature of Minds / B. Features of Minds / 1. Consciousness / e. Cause of consciousness

4921	Quantum states in microtubules could bind brain activity to produce consciousness [Penrose]

27. Natural Reality / G. Biology / 1. Biology

651	Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle]