Diagramming Objections To Independent Premises

Informal Logic 31 (2):139-151 (2011)

Cathal Woods
Virginia Wesleyan College
Arguments with what are called "independent" or "convergent" premises are typically diagrammed by using an arrow between each premise and the conclusion. This makes diagramming objections to the reasoning difficult. It also obscures differences in argument structure. I suggest that a single arrow should be used for such arguments and that this is so even in the extreme form of independent premises when the argument is entirely unstructured. I then discuss the diagramming of objections
Keywords diagramming, informal logic, independent premise
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Fundamentals of Critical Argumentation.Douglas Walton - 2005 - Cambridge University Press.
The Uses of Argument.Frederick L. Will & Stephen Toulmin - 1960 - Philosophical Review 69 (3):399.
The Art of Reasoning.David Kelley - 2013 - W. W. Norton & Company.
Mapping the Structure of Debate.Jeffrey Yoshimi - 2004 - Informal Logic 24 (1):1-22.

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