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person2000s-present

Hilary Greaves

Disciplines:
ethics
philosophy of science/philosophy of physics
philosophy/decision theory

Summary

British philosopher who has defended the Everettian interpretation of quantum mechanics using decision theory and has contributed to population ethics and global priorities research.

Core Contribution

Decision-theoretic Everettianism: rational agents in Everettian branching worlds should use quantum probabilities because this maximizes expected utility across branches. Co-founded the Global Priorities Institute at Oxford. Contributed to population ethics (repugnant conclusion, non-identity problem).

Key Spikes & Highlights

  • The decision-theoretic argument for Everettianism is the most serious attempt to ground quantum probabilities in rational choice theory — if you accept expected utility maximization, the Born rule follows from the symmetries of branching.

Notable Works & Achievements

Probability and the Everett Interpretation

Global Priorities

Historical Influences

David Deutsch Derek Parfit

Intellectual Lineage

Analytic Philosophy

Contemporaries & Peers

David Wallace Nick Bostrom

Minds Influenced

Global Priorities Research

Intellectual Posterity

Everettian Decision TheoryGlobal Priorities Research

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Hilary Greaves

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