Multiverse Theories: A Philosophical Perspective

Multiverse Theories: A Philosophical Perspective

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Simon Friederich
Cambridge University Press, 1/28/2021
EAN 9781108487122, ISBN10: 1108487122

Hardcover, 210 pages, 24.9 x 17.3 x 1.5 cm
Language: English
Originally published in English

If the laws of nature are fine-tuned for life, can we infer other universes with different laws? How could we even test such a theory without empirical access to those distant places? Can we believe in the multiverse of the Everett interpretation of quantum theory or in the reality of other possible worlds, as advocated by philosopher David Lewis? At the intersection of physics and philosophy of science, this book outlines the philosophical challenge to theoretical physics in a measured, well-grounded manner. The origin of multiverse theories are explored within the context of the fine-tuning problem and a systematic comparison between the various different multiverse models are included. Cosmologists, high energy physicists, and philosophers including graduate students and researchers will find a systematic exploration of such questions in this important book.

Part I. Setting the Stage
1. Introduction
2. The fine-tuning considerations
3. Fine-tuning for life and design
Part II. Fine-tuning for Life and the Multiverse
4. The standard fine-tuning argument
5. Problems with priors
6. A new fine-tuning argument
Part III. Testing Multiverse Theories
7. Testing multiverse theories
8. Approaching practice
9. Puzzles of self-locating belief
Part IV. Wider Still and Wilder
10. Other multiverses
11. Outlook
Subject index
Author index.