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Comparative similarity in branching space-times

Placek, Tomasz (2001) Comparative similarity in branching space-times. [Preprint]


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My aim in this paper is to investigate the notions of comparative similarity definable in the framework of branching space-times. A notion of this kind is required to give a rigorous Lewis-style semantics of space-time counterfactuals, which is the task undertaken by Thomas Muller (PITT-PHIL-SCI00000509, this archive). In turn, the semantical analysis is needed to decide whether the recently proposed proofs of the non-locality of quantum mechanics are correct. From among the three notions of comparative similarity I select two which appear equally good as far as their intuitiveness and algebraic properties are concerned. However, the relations are not transitive, and thus cannot be used in the semantics proposed by (Lewis 1973), which requires transitivity. Yet they are adequate for the account of (Lewis 1981).

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Item Type: Preprint
Placek, Tomasz
Commentary on: Muller, Thomas (2001) Branching space-time, modal logic, and the counterfactual conditional. [Preprint]
Keywords: counterfactuals, branching space-times
Subjects: General Issues > Determinism/Indeterminism
Depositing User: Tomasz Placek
Date Deposited: 26 Feb 2002
Last Modified: 07 Oct 2010 15:10
Item ID: 570

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