3min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

215 | Barry Loewer on Physics, Counterfactuals, and the Macroworld

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

Is the Past Hypothesis True?

"I think that this idea works to answer all of the questions that bothered me when I first think about counterfactuals as an undergraduate," he says. "It's simultaneously the best account out there and nobody believes it." The Manteculus probability distribution will entail things, in accordance with the Manteculus, about what will be going on at later times, including whether there's still oxygen around. And so it'll entail how likely it is that the match will light or not. That's where the truth conditions ofcounterfactuals are going to come from".

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