What constitutes an argument?  Think of the syllogism here. 

What constitutes a visual argument?

Symbols and colors may help us gain assent or appeal to the emotions but does that constitute an argument?  Page 44.

In short, argument has been traditionally defined as having to do with speech, making propositions, and following sound logic/reasoning. 

Is this, for example, an argument or this one?

In order to break away from the term visual argument to represent visual persuasion we need a new term and a new scheme with which to think of "visual argument."

page 45

2 reasons why some argue that arguments cannot be visual: images are vague and ambiguous and argument relates to propositions.

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