Abstract

 


 



Ragionare Per Dicotomie - Struttura Argomentativa E Usi Nel Common Law (Reasoning from Dichotomies - Argumentative Structure and Forensic Uses)


Fabrizio Macagno


Universidade Nova de Lisboa

Douglas Walton


Independent

2010

Ars Interpretandi, Vol. 15, pp. 167-187, 2010

Abstract:     
Disjunctions and dichotomies are often used in legal argumentation to support a thesis or lead the witnesses or the jury to a specific testimony or conclusion. Reasoning from dichotomies is therefore an extremely powerful dialectical instrument both in decision making and persuasion dialogue. From a logical perspective, this type of argument can be described a disjunctive syllogism (modus tollendo ponens): denying or affirming one of the extremes of the dichotomy, the alternative is affirmed or denied. The crucial problem of this type of reasoning is the ground of the disjunction, which can be semantic or pragmatic in kind. The creation or the modification of the genus of the alternatives, or rather their semantic or pragmatic paradigm, allows the speaker to impose a forced choice to be used during the discussion, cross-examination or deliberation phase.

Note: Downloadable document is in Italian.

Number of Pages in PDF File: 22

Keywords: Disjunction, reasoning from oppositions, paradigms

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Date posted: April 18, 2011 ; Last revised: April 20, 2011

Suggested Citation

Macagno, Fabrizio and Walton, Douglas, Ragionare Per Dicotomie - Struttura Argomentativa E Usi Nel Common Law (Reasoning from Dichotomies - Argumentative Structure and Forensic Uses) (2010). Ars Interpretandi, Vol. 15, pp. 167-187, 2010. Available at SSRN: http://ssrn.com/abstract=1812028

Contact Information

Fabrizio Macagno (Contact Author)
Universidade Nova de Lisboa ( email )
Av. Berna 26 I&D Building, office 4.02
Lisbon, 1069-061
Portugal
HOME PAGE: http://fabriziomacagno.altervista.org/
Douglas Walton
Independent ( email )
No Address Available
Feedback to SSRN (Beta)


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