{ localUrl: '../page/evidential_dt.html', arbitalUrl: 'https://arbital.com/p/evidential_dt', rawJsonUrl: '../raw/5px.json', likeableId: '0', likeableType: 'page', myLikeValue: '0', likeCount: '0', dislikeCount: '0', likeScore: '0', individualLikes: [], pageId: 'evidential_dt', edit: '1', editSummary: '', prevEdit: '0', currentEdit: '1', wasPublished: 'true', type: 'wiki', title: 'Evidential decision theories', clickbait: 'Theories which hold that the principle of rational choice is "Choose the act that would be the best news, if somebody told you that you'd chosen that act."', textLength: '1011', alias: 'evidential_dt', externalUrl: '', sortChildrenBy: 'likes', hasVote: 'false', voteType: '', votesAnonymous: 'false', editCreatorId: 'EliezerYudkowsky', editCreatedAt: '2016-08-01 00:22:14', pageCreatorId: 'EliezerYudkowsky', pageCreatedAt: '2016-08-01 00:22:14', seeDomainId: '0', editDomainId: '123', submitToDomainId: '0', isAutosave: 'false', isSnapshot: 'false', isLiveEdit: 'true', isMinorEdit: 'false', indirectTeacher: 'false', todoCount: '0', isEditorComment: 'false', isApprovedComment: 'true', isResolved: 'false', snapshotText: '', anchorContext: '', anchorText: '', anchorOffset: '0', mergedInto: '', isDeleted: 'false', viewCount: '105', text: 'An "evidential" decision theory (EDT) is one which [action_conditional conditions on possible choices] using standard conditional probabilities, aka [1ly Bayesian updating]. The corresponding candidate for a [principle_of_rational_choice principle of rational choice] would be, "Choose that act which would be the best news, if somebody told you that you'd decided that way." Contrast [-5n9] and [-58b]. While relatively few decision theorists advocate for EDT as the principle of rational choice, some do. EDT is historically noteworthy for being the original formulation of the [18v principle of expected utility]--the formula was first written down with the most obvious kind of [action_conditional action-conditional], namely a standard [1rj conditional probability]. However, nobody called this "evidential decision theory" until [-5n9] existed for contrast. 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