Uncertain Decisions and the Many-Minds Interpretation of Quantum Mechanics
Papineau (David)
Source: Papineau - Roots of Reason - Philosophical Essays on Rationality, Evolution and Probability
Paper - Abstract

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    Why act on probabilities? It seems obvious that we want a) desired results, not b) that desired results be maximally probable. But what then is the rationale for choosing actions that ensure (b), but not (a)? Notoriously, there is not good answer within conventional thought. However, this conundrum is dissolved within the many-minds interpretation of quantum mechanics1. On the many-minds interpretation, all results with nonzero probability occur, and there is no further issue of which actually occurs. So (b) becomes the only criterion for successful action, and the tension with (a) falls away.

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