This books concerns with the relationship between Psychology as a cognitive discipline and the logical foundation on which psychological theories can be based. This book is dealing with Gestalt psychological theory from the point of philosophy of science where concern is given to the logical foundation on which all developments of Gestalt psychology can be reduced. The central base of Gestalt psychology based on what we call relational structuralism which concerns with the relationships between the elements of experience. This philosophical perspective is well developed through group theory....