The 200th episode of Mindscape! Thanks to everyone for sticking around for this long. To celebrate, a solo episode discussing a set of issues naturally arising at the intersection of philosophy and physics: how to think about probabilities and expectations in a multiverse. Here I am more about explaining the issues than offering correct answers, although I try to do a bit of that as well.

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References:

• Guth, “Inflation and Eternal Inflation“
• Weinberg, “Living In the Multiverse“
• Susskind, “The Anthropic Landscape of String Theory“
• Carroll, Johnson, and Randall, “Dynamical Compactification from De Sitter Space“
• Sebens and Carroll, “Self-Locating Uncertainty and the Origin of Probability in Everettian Quantum Mechanics“
• Wald, “Asymptotic behavior of homogeneous cosmological models in the presence of a positive cosmological constant“
• Gibbons and Hawking, “Cosmological Event Horizons, Thermodynamics, and Particle Creation“
• Carroll and Chatwin-Davies, “Cosmic Equilibration: A Holographic No-Hair Theorem from the Generalized Second Law“
• Dyson, Kleban, and Susskind, “Disturbing Implications of a Cosmological Constant“
• Albrecht and Sorbo, “Can the Universe Afford Inflation?“
• Boddy, Carroll, and Pollack, “De Sitter Space Without Dynamical Quantum Fluctuations“
• Carroll, “Why Boltzmann Brains Are Bad“
• Aguirre, Carroll, and Johnson, “Out of Equilibrium: Understanding Cosmological Evolution to Lower-Entropy States“
• Carroll, “Beyond Falsifiabiliy: Normal Science in a Multiverse“
• Carter and McCrea, “The Anthropic Principle and its Implications for Biological Evolution“
• Leslie, “Doomsday Revisited“
• Gott, “Implications of the Copernican Principle for Our Future Prospects“
• Bostrom, Anthropic Bias
• Vilenkin, “The Principle of Mediocrity“
• Olum, “Conflict Between Anthropic Reasoning and Observation“
• Elga, “Self-Locating Belief and the Sleeping Beauty Problem“
• Lewis, “Sleeping Beauty: Reply to Elga“
• Hartle and Srednicki, “Are We Typical?“
• Hartle and Srednicki, “Science in a Very Large Universe“
• Neal, “Puzzles of Anthropic Reasoning Resolved Using Fully Non-Indexical Conditioning“

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