This book arose from our lectures on Artificial Intelligence at the Uttaranchal Institute of Technology, Dehradun and later at the Dehradun Institute of Technology, Dehradun. We started writing a new text out of dissatisfaction with the literature available at the time. Most books on Artificial Intelligence seemed to be chaotic collections of models and there was no clear unifying theoretical thread connecting them. The results of my efforts are published in this book. We tried in this book to put the accent on a systematic development of Artificial Intelligence theory and to stimulate the...