Argument diagramming

Chris Reed, Douglas Walton and Fabrizio Macagno (2007). "Argument diagramming in logic, law and artificial intelligence". The Knowledge Engineering Review, 22(1), 87-109.

Some notable fields: informal logic, argumentation theory, evidence law, legal reasoning. Argument diagramming was first used in these fields, but is recently attracting interest in AI and CS.

Argument diagrams - nodes/vertices represent propositions, and arcs/edges represent inferences.

Argument Markup Language is an XML application for representing arguments/argument diagrams. Araucaria is a software tool for interactively creating an argument diagram by annotating a source text with propositions and inferences.

Enthymemes - arguments which have implicit premises or conclusions, which are not explicitly expressed in the discourse.

The 'milk' argument ("Drink milk - Lose weight?"):

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