Combining Texts

All the ideas for 'Symbolic Reasoning', 'Commentary on the Metaphysics' and 'On the Source of Necessity'

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

---

8 ideas

1. Philosophy / E. Nature of Metaphysics / 1. Nature of Metaphysics

11193

Understanding begins with the notion of being and essence [Avicenna]

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / g. System S4

15102

S4 says there must be some necessary truths (the actual ones, of which there is at least one) [Cameron]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

9. Objects / A. Existence of Objects / 5. Simples

11209

The simple's whatness is its very self [Avicenna]

9. Objects / C. Structure of Objects / 3. Matter of an Object

11204

The ultimate material of things has the unity of total formlessness [Avicenna]

9. Objects / D. Essence of Objects / 2. Types of Essence

15036

An essence can either be universal (in the mind) or singular (in concrete particulars) [Avicenna, by Panaccio]

10. Modality / C. Sources of Modality / 1. Sources of Necessity

15103

Blackburn fails to show that the necessary cannot be grounded in the contingent [Cameron]

27. Natural Reality / D. Time / 1. Nature of Time / f. Eternalism

15104

The 'moving spotlight' theory makes one time privileged, while all times are on a par ontologically [Cameron]