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Single Idea 11980

[filed under theme 10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds ]

Full Idea

A possible world is just a maximal possible state of affairs.

Gist of Idea

A possible world is a maximal possible state of affairs

Source

Alvin Plantinga (Transworld Identity or worldbound Individuals? [1973], I)

Book Ref

'The Possible and the Actual', ed/tr. Loux,Michael J. [Cornell 1979], p.147


A Reaction

The key point here is that Plantinga includes the word 'possible' in his definition. Possibility defines the worlds, and so worlds cannot be used on their own to define possibility.


The 7 ideas from 'Transworld Identity or worldbound Individuals?'

A possible world is a maximal possible state of affairs [Plantinga]
Asserting a possible property is to say it would have had the property if that world had been actual [Plantinga]
If possible Socrates differs from actual Socrates, the Indiscernibility of Identicals says they are different [Plantinga]
It doesn't matter that we can't identify the possible Socrates; we can't identify adults from baby photos [Plantinga]
If individuals can only exist in one world, then they can never lack any of their properties [Plantinga]
The counterparts of Socrates have self-identity, but only the actual Socrates has identity-with-Socrates [Plantinga]
Counterpart Theory absurdly says I would be someone else if things went differently [Plantinga]