Are We Typical?

dc.creatorHartle, James B.
dc.creatorSrednicki, Mark
dc.date2007-04-20
dc.date2007-05-17
dc.date.accessioned2026-07-07T10:35:38Z
dc.date.available2026-07-07T10:35:38Z
dc.descriptionBayesian probability theory is used to analyze the oft-made assumption that humans are typical observers in the universe. Some theoretical calculations make the {\it selection fallacy} that we are randomly chosen from a class of objects by some physical process, despite the absence of any evidence for such a process, or any observational evidence favoring our typicality. It is possible to favor theories in which we are typical by appropriately choosing their prior probabilities, but such assumptions should be made explicit to avoid confusion.
dc.description7 pages; some clarifications of language and a reference added in v2; minor clarification added in v3
dc.identifierhttps://arxiv.org/abs/0704.2630
dc.identifierhttp://arxiv.org/abs/0704.2630
dc.identifierPhys.Rev.D75:123523,2007
dc.identifierdoi:10.1103/PhysRevD.75.123523
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179799
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleAre We Typical?
dc.typetext

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