On Dove, visual evidence and verbal repackaging

In “Image, Evidence, Argument,” Ian Dove defends an intriguing ‘middle ground’ between those who argue that there are “visual arguments” (notably Groarke) and skeptics who argue that there are not (notably Johnson). I discuss one of Dove’s key examples, proposing a different analysis of it, arguing that there are problems with the “verbal repackaging” of the argument he suggests

Woods and Walton of the Fallacies, 1972-82

This paper is an in depth discussion of the work on fallacies collected in the Selected Papers of Woods and Walton. While it defends many of their claims, it argues that they have not shown that their formal approach should be an integral part of that discipline we now call informal logic

Parmenides\u27 Timeless Universe, Again

The paper defends my thesis that Parmenides\u27 poem contains a critique of time, in answer to Mohan Matthen\u27s criticisms of my views

Logic, Art and Argument

Most informal logic texts and articles assume a verbal account of reasoning which defines argument as a set of sentences. The present paper broadens this definition in order to account for visual arguments which are communicated with nonverbal visual images. Standard approaches to verbal arguments are extended in a way that allows them to explain and evaluate visual argumentation