The Nature of Contingency: Quantum Physics as Modal Realism

A major new publication from FraMEPhys is out now – Alastair Wilson’s book The Nature of Contingency: Quantum Physics as Modal Realism was published on 11 February 2020 by Oxford University Press. Chapter 6, which focuses on anthropic explanations of fine-tuning in a quantum multiverse context, is a core part of the FraMEPhys project. All of the book explores the broader FraMEPhys theme of how we should link up physics with metaphysics.

Here’s the blurb:

This book defends a radical new theory of contingency as a physical phenomenon. Drawing on the many-worlds approach to quantum theory and cutting-edge metaphysics and philosophy of science, it argues that quantum theories are best understood as telling us about the space of genuine possibilities, rather than as telling us solely about actuality. When quantum physics is taken seriously in the way first proposed by Hugh Everett III, it provides the resources for a new systematic metaphysical framework encompassing possibility, necessity, actuality, chance, counterfactuals, and a host of related modal notions. Rationalist metaphysicians argue that the metaphysics of modality is strictly prior to any scientific investigation; metaphysics establishes which worlds are possible, and physics merely checks which of these worlds is actual. Naturalistic metaphysicians respond that science may discover new possibilities and new impossibilities. This book’s quantum theory of contingency takes naturalistic metaphysics one step further, allowing that science may discover what it is to be possible. As electromagnetism revealed the nature of light, as acoustics revealed the nature of sound, as statistical mechanics revealed the nature of heat, so quantum physics reveals the nature of contingency.

For more background info, and the goofiest photo of the author we could find, check out the launch Twitter thread. Previews of the content can be found here, here or here.

The book can be bought from OUP, or from Amazon, or from other academic booksellers. Currently there are hardback and ebook editions; a paperback is in the pipeline!

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