The power of logic 5th edition answer key

Fif th Ed ition Fif th Ed ition • A  reorganized and refocused chapter on inductive logic provides a clearer treatment of various forms of inductive argument, and helps to clarify the relationship between inductive logic and probability. • New exercise sets in Chapter 9 allow the instructor to introduce the rules of predicate logic at a more gradual pace, helping to ease students into the most challenging chapter of the book. • Many new summary boxes provide students with simple, easy-tofind summaries of challenging material. Learn more by visiting the Online Learning Center at www.mhhe.com/howardsnyder5e Power of Logic MD DALIM #1182226 2/15/12 CYAN MAG YELO BLK • Dozens of new definition boxes help students remember key terms and quickly find relevant passages. The The New in the Fifth Edition Power of Logic This fifth edition of The Power of Logic offers an introduction to informal logic, traditional categorical logic, and modern symbolic logic. The authors’ direct and accessible writing style, along with a wealth of engaging examples and challenging exercises, makes this an ideal text for today’s logic classes. Howard-Snyder Howard-Snyder Wasserman Frances Howard-Snyder | Daniel Howard-Snyder | Ryan Wasserman how38197_fm_i-xx.indd Page i 1/30/12 7:30 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles The Power of Logic how38197_fm_i-xx.indd Page ii 1/30/12 7:30 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles how38197_fm_i-xx.indd Page iii 1/30/12 7:30 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles The Power of Logic FIFTH EDITION Frances Howard-Snyder Daniel Howard-Snyder Ryan Wasserman WESTERN WASHINGTON UNIVERSITY how38197_fm_i-xx.indd Page iv 1/31/12 4:37 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles /Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles THE POWER OF LOGIC, FIFTH EDITION Published by McGraw-Hill, a business unit of The McGraw-Hill Companies, Inc., 1221 Avenue of the Americas, New York, NY 10020. Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved. Printed in the United States of America. Previous editions © 2009 and 2005. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for distance learning. Some ancillaries, including electronic and print components, may not be available to customers outside the United States. This book is printed on acid-free paper. 1 2 3 4 5 6 7 8 9 0 DOC/DOC 0 9 8 7 6 5 4 3 2 ISBN: 978-0-07-803819-8 MHID: 0-07-803819-7 Vice President & Editor-in-Chief: Michael Ryan Vice President of Specialized Publishing: Janice M. Roerig-Blong Publisher: Michael Sugarman Sponsoring Editor: Jessica Cannavo Marketing Coordinator: Angela R. FitzPatrick Developmental Editor: Robin A. Reed Lead Project Manager: Jane Mohr Design Coordinator: Margarite Reynolds Cover Designer: Studio Montage, St. Louis, Missouri Cover Image: © Medioimages/Alamy Buyer: Nicole Baumgartner Media Project Manager: Sridevi Palani Compositor: Aptara®, Inc. Typeface: 10.5/12.5 Goudy Oldstyle Std Printer: RR Donnelley All credits appearing on page or at the end of the book are considered to be an extension of the copyright page. Library of Congress Cataloging-in-Publication Data Howard-Snyder, Frances. The power of logic / Frances Howard-Snyder, Daniel Howard-Snyder, Ryan Wasserman.—5th ed. p. cm. Includes index. ISBN 978-0-07-803819-8—ISBN 0-07-803819-7 1. Logic—Textbooks. I. Howard-Snyder, Daniel. II. Wasserman, Ryan. III. Title. BC71.H75 2012 160—dc23 2011053000 www.mhhe.com how38197_fm_i-xx.indd Page v 1/30/12 7:30 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles To our children Peter William Benjamin and Zoë Mae v how38197_fm_i-xx.indd Page vi 1/30/12 7:30 PM user-f502/Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles /Volume/201/MH01577/how38197_disk1of1/0078038197/how38197_pagefiles About the Authors Frances Howard-Snyder is Professor of Philosophy at Western Washington University, where she has taught since 1993. She has a PhD in philosophy from Syracuse University and an MA from the University of Cape Town.