... Research Press Rehoboth 2002 2 This book can be ordered in a paper bound reprint from: Books on Demand ProQuest Informati... ...old Coast Queensland, Australia. 3) Professor Emeritus C. Corduneanu Texas State University Department of Mathematics Arlington, Texas 76019, ... ... ISBN: 1-931233-60-8 Standard Address Number: 297-5092 Printed in the United States of America 3 Foreword As someone who wor... ...ulling something. My wife Patti also does a great deal to assist me in my professional endeavors. In most cases, it is nothing more than simply leavi... ...fines the set of wffs in the modal frame. Example: The major league baseball teams in the United States are split up into two leagues, the Nat... ... set of wffs in the modal frame. Example: The major league baseball teams in the United States are split up into two leagues, the National and... ...iables is V = { Cubs, Braves, . . ., Yankees }, one for each major league baseball team. Each variable is assigned a value that represents the likeli... ...) and (ii) are wffs. 50 There is only one world and it is the set of teams in major league baseball. If x is an element of V, then ¬x = 1 – x...

...As someone who works heavily in both math and computers, I can truly appreciate the role that logic plays in our modern world. One cannot understand the foundations of mathematics while lacking knowledge of the basics of logic and how proofs are construc...