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Single Idea 14657

[filed under theme 9. Objects / F. Identity among Objects / 5. Self-Identity ]

Full Idea

Is there any reason to suppose that 'being identical with Socrates' names a property? Well, is there any reason to suppose that it does not? I cannot think of any, nor have I heard any that are at all impressive.

Gist of Idea

Does 'being identical with Socrates' name a property? I can think of no objections to it

Source

Alvin Plantinga (World and Essence [1970], II)

Book Ref

Plantinga,Alvin: 'Essays in the Metaphysics of Modality' [OUP 2003], p.58


A Reaction

Is there any reason to think that a planet somewhere is entirely under the control of white mice? Extraordinary. No wonder Plantinga believes in God and the Ontological Argument, as well as the existence of 'Socrateity' etc.


The 11 ideas from 'World and Essence'

Plantinga proposes necessary existent essences as surrogates for the nonexistent things [Plantinga, by Stalnaker]
X is essentially P if it is P in every world, or in every X-world, or in the actual world (and not ¬P elsewhere) [Plantinga]
'De re' modality is as clear as 'de dicto' modality, because they are logically equivalent [Plantinga]
The 'identity criteria' of a name are a group of essential and established facts [Plantinga]
Properties are 'trivially essential' if they are instantiated by every object in every possible world [Plantinga]
'Being Socrates' and 'being identical with Socrates' characterise Socrates, so they are among his properties [Plantinga]
Does Socrates have essential properties, plus a unique essence (or 'haecceity') which entails them? [Plantinga]
Does 'being identical with Socrates' name a property? I can think of no objections to it [Plantinga]
We can imagine being beetles or alligators, so it is possible we might have such bodies [Plantinga]
If a property is ever essential, can it only ever be an essential property? [Plantinga]
Essences are instantiated, and are what entails a thing's properties and lack of properties [Plantinga]