TY - BOOK AU - Walton,Douglas N. AU - Macagno,Fabrizio AU - Reed,Chris TI - Argumentation schemes SN - 0521723744 AV - BC177 .W317 2008 PY - 2008/// CY - Cambridge PB - Cambridge University Press KW - Reasoning N1 - Includes bibliographical references (p. 417-429) and index ER -