Quantum probabilities and the conjunction principle

Synthese 184 (1):109-114 (2012)
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Abstract

A recent argument by Hawthorne and Lasonen-Aarnio purports to show that we can uphold the principle that competently forming conjunctions is a knowledge-preserving operation only at the cost of a rampant skepticism about the future. A key premise of their argument is that, in light of quantum-mechanical considerations, future contingents never quite have chance 1 of being true. We argue, by drawing attention to the order of magnitude of the relevant quantum probabilities, that the skeptical threat of Hawthorne and Lasonen-Aarnio’s argument is illusory

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Igor Douven
Centre National de la Recherche Scientifique

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References found in this work

Knowledge and its Limits.Timothy Williamson - 2000 - Oxford University Press.
Knowledge and Its Limits.Timothy Williamson - 2000 - Philosophy 76 (297):460-464.
The paradox of the preface.David C. Makinson - 1965 - Analysis 25 (6):205-207.
Assertion, knowledge, and rational credibility.Igor Douven - 2006 - Philosophical Review 115 (4):449-485.

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