Distributed by Elsevier Science on behalf of Science Press.

This book is mainly designed for graduate students who are interested in the theory of BCK and BCI-algebras. It introduces the general theoretical basis of BCI-algebras, omitting difficult proofs and abstract topics which are less necessary for beginners to learn. With abundant examples and exercises arranged after each section, it provides readers with easy-to-follow steps into this field.

• Specially designed for graduate students with emphasis on elementary knowledge in this field
• Organizes knowledge points systematically and highlights various arguments on vital topics to make them easy to be understand
• Gives many examples to clarify important notations and terminologies and abundant of classified exercises after each chapter for revision purposes