On Topological Issues of Indeterminism

Erkenntnis 79 (S3):1-34 (2014)
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Indeterminism, understood as a notion that an event may be continued in a few alternative ways, invokes the question what a region of chanciness looks like. We concern ourselves with its topological and spatiotemporal aspects, abstracting from the nature or mechanism of chancy processes. We first argue that the question arises in Montague-Lewis-Earman conceptualization of indeterminism as well as in the branching tradition of Prior, Thomason and Belnap. As the resources of the former school are not rich enough to study topological issues, we investigate the question in the framework of branching space-times of Belnap (Synthese 92:385–434, 1992). We introduce a topology on a branching model as well as a topology on a history in a branching model. We define light-cones and assume four conditions that guarantee the light-cones so defined behave like light-cones of physical space-times. From among various topological separation properties that are relevant to our question, we investigate the Hausdorff property. We prove that each history in a branching model satisfies the Hausdorff property. As for the satisfaction of the Hausdorff property in the entire branching model, we prove that it is related to the phenomenon of passive indeterminism, which we describe in detail



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Citations of this work

Defining Determinism.Thomas Müller & Tomasz Placek - 2018 - British Journal for the Philosophy of Science 69 (1):215-252.
Generalised Manifolds as Basic Objects of General Relativity.Joanna Luc - 2020 - Foundations of Physics 50 (6):621-643.
Time and Determinism.Thomas Müller - 2015 - Journal of Philosophical Logic 44 (6):729-740.

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References found in this work

New Work for a Theory of Universals.David K. Lewis - 1983 - Australasian Journal of Philosophy 61 (4):343-377.
The Cement of the Universe: A Study of Causation.John Leslie Mackie - 1974 - Oxford, England: Oxford, Clarendon Press.
Past, Present and Future.Arthur N. Prior - 1967 - Oxford, England: Clarendon Press.
New Work For a Theory of Universals.David Lewis - 1983 - In D. H. Mellor & Alex Oliver (eds.), Properties. Oxford University Press.

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