Philosophy Lexicon of Arguments

Possible World: entity that can be quantified over. There ist a dispute over the question whether possible worlds exist or are only assumed for purposes of proofs of completeness. See also actual world, modal logic, modal realism, realism, actualism, possibility, possibilia, quantification.
Author Item Excerpt Meta data
Cresswell, M.J.
Books on Amazon
Possible Worlds I VII
Possible World/possible world/Cresswell: Main problem: how to adapt propositional attitudes.
I 1
It does not matter if they exist, how it does not matter whether money or surrogate money is needed.
I 6
It is pointless to want to decide about existence. - LewisVs ersatz world: made from other things - e.g. from space time-points.
I 4
Possible worlds are never part of the actual word.
I 30
Therefore, they are also not "out there" (otherwise still part).
I 16
We also do not have enough names for all possible worlds to put our empirical data into order. (Analogy: as we must postulate the past in order to arrange our present evidence).
I 56f
Possible World/Cresswell: we can equate any possible world with the set of things (objects) that exist in it. ((s) not an empty space.) - Barcan formula: is valid for quantifiers, which can operate in any possible world on those things which exist in this possible world.

Cr I
M. J. Cresswell
Semantical Essays (Possible worlds and their rivals) Dordrecht Boston 1988

M. J. Cresswell
Structured Meanings Cambridge Mass. 1984

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> Counter arguments in relation to Possible Worlds

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Ed. Martin Schulz, access date 2017-04-26