Ideas of Jan Westerhoff, by Theme

[British, fl. 2005, Lecturer at Durham University.]

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5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names
13134 We negate predicates but do not negate names
7. Existence / E. Categories / 1. Categories
13117 How far down before we are too specialised to have a category?
13116 Maybe objects in the same category have the same criteria of identity
13124 Categories can be ordered by both containment and generality
13118 Categories are base-sets which are used to construct states of affairs
13125 Categories are held to explain why some substitutions give falsehood, and others meaninglessness
13126 Categories systematize our intuitions about generality, substitutability, and identity
13130 Categories as generalities don't give a criterion for a low-level cut-off point
7. Existence / E. Categories / 2. Categorisation
13131 The aim is that everything should belong in some ontological category or other
7. Existence / E. Categories / 3. Proposed Categories
13123 All systems have properties and relations, and most have individuals, abstracta, sets and events
7. Existence / E. Categories / 5. Category Anti-Realism
13115 Ontological categories are like formal axioms, not unique and with necessary membership
13119 Categories merely systematise, and are not intrinsic to objects
13135 A thing's ontological category depends on what else exists, so it is contingent
9. Objects / D. Essence of Objects / 5. Essence as Kind
13129 Essential kinds may be too specific to provide ontological categories