Combining Texts

All the ideas for 'Barcan Formulae', 'De Essentia' and 'Commentary on the Metaphysics'

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6 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 / 7. Barcan Formula

15380

Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem]

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

11209

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

9. Objects / A. Existence of Objects / 5. Individuation / d. Individuation by haecceity

13132

A snowball's haecceity is the property of being identical with itself [Plantinga, by Westerhoff]

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]