Logical Self-Defense Logical Self-Defense Ralph H. Johnson University of Windsor J. Anthony Blair University of Windsor international debate education association New York - Amsterdam - Brussels Published by International Debate Education Association 400 West 59th Street New York, NY 10019 Copyright © 2006 by International Debate Education Association All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, or any information storage and retrieval system, without permission from the publisher. For permission to reproduce in whole or in part, please contact: [email protected] Library of Congress Cataloging-in-Publication Data Johnson, Ralph H. (Ralph Henry), 1940- Logical self-defense / Ralph H. Johnson, J. Anthony Blair. p. cm. Includes bibliographical references and index. ISBN 978-1-932716-18-4 1-932716-18-1 1. Debates and debating. 2. Logic. I. Blair, J. Anthony, 1941- II. Title. PN4181.J54 2005 808.5’3--dc22 2005055246 Design by Hernan Bonomo Printed in the USA IDEBATE Press KEY TITLES IN RHETORIC, ARGUMENTATION, AND DEBATE SERIES Key Titles in Rhetoric, Argumentation, and Debate makes available important texts and monographs that have long been unavailable. Revised or reissued with new prefaces, the books in this series are significant texts that offer teachers valuable resources long missing from their classrooms. Initial books in the series include: Logical Self-Defense by Ralph H. Johnson and J. Anthony Blair Perspectives on Argumentation: Essays in Honor of Wayne Brockriede by Robert Trapp and Janice Schuetz IDEA Press is actively soliciting other volumes for this series. If you know of a valuable text that we should reissue, please send us your suggestions. If you are the author of an out-of-print text you think might be appropriate, please contact us. You can reach us at: [email protected]. For books from IDEA Press, go to http://www.idebate.org/main/books.asp.