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Similarity, Precedent and Argument from Analogy

30 Pages Posted: 3 Feb 2011  

Douglas Walton

University of Windsor

Date Written: February 1, 2011


In this paper, it is shown (1) that there are two schemes for argument from analogy that seem to be competitors but are not, (2) how one of them is based on a distinctive type of similarity premise, (3) how to analyze the notion of similarity using story schemes illustrated by some cases, (4) how arguments from precedent are based on arguments from analogy, and in many instances arguments from classification, and (5) that when similarity is defined by means of story schemes, we can get a clearer idea of how it integrates with the use of argument from classification and argument from precedent in case-based reasoning by using a dialogue structure.

Keywords: stories, case-based reasoning, argument from classification, argumentation

Suggested Citation

Walton, Douglas, Similarity, Precedent and Argument from Analogy (February 1, 2011). Available at SSRN: or

Douglas Walton (Contact Author)

University of Windsor ( email )

401 Sunset Avenue
Windsor, Ontario N9B 3P4

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