Table of Contents

Dialogue with Bruce Gronbeck

Topic: Are warrants more abstract than the corresponding data and claim?
Key Words: Abstract, Reasoning, Argumentation, Warrant

Discussion with David Hitchcock

Topic: What distinguishes warrants from data
Key Words: Toulmin, Reasoning, Argumentation, Abstraction

An Open Letter to Frank E. X. Dance

Topic: Chained deduction versus induction
Key Words : induction, deduction, arguments, and Holmes

A Land with no Mirrors: Discussions with an Author/Coauthor of a Public Speaking Text

Topic: Needed improvements in Public Speaking Texts
Key Words: Abstraction Ladders, Hayakawa, Types of Arguments, and Processes of Reasoning.