---
abstract: 'In the 1970s, we conceived of a rule explanation as supplying the causal and social context that justifies a rule, an objective documentation for why a rule is correct. Today we would call such descriptions post-hoc design rationales, not proving the rules’ correctness, but providing a means for later interpreting why the rule was written and facilitating later improvements.'
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creators_id: []
creators_name:
  - family: Clancey
    given: William J.
    honourific: ''
    lineage: ''
date: 1993
date_type: published
datestamp: 1998-05-05
department: ~
dir: disk0/00/00/02/92
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eprintid: 292
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keywords: 'expert systems, rule-based, MYCIN, NEOMYCIN, explanation systems, design rationale'
lastmod: 2011-03-11 08:53:48
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metadata_visibility: show
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number: 1-2
pagerange: 191-204
pubdom: FALSE
publication: Artificial Intelligence
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refereed: TRUE
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rev_number: 8
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status_changed: 2007-09-12 16:26:22
subjects:
  - comp-sci-art-intel
  - phil-epist
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title: Notes on "Epistemology of a Rule-based Expert System"
type: journalp
userid: 26
volume: 59
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