Jean Piaget, Edited by Barbel Inhedler

• TRANSLATOR’S INTRODUCTION I. Classification and Inference II. Co-ordination III. Two Levels of Inference INTRODUCTION I. GRAPHIC COLLECTIONS II. NON-GRAPHIC COLLECTIONS CONDITIONS OF CLASS-INCLUSION IV. CLASS INCLUSION AND HIERARCHICAL CLASSIFICATIONS V. COMPLEMENTARY CLASSES VI. MULTIPLICATIVE CLASSIFICATION (MATRICES) VII. FLEXIBILITY IN HINDSIGHT AND FORESIGHT VIII. THE CLASSIFICATION OF ELEMENTS PERCEIVED BY TOUCH IX. SERIATION X. MULTIPLE SERIATION, CONCLUSIONS

Jean Piaget, Edited by Barbel Inhedler

• TRANSLATOR’S INTRODUCTION I. Classification and Inference II. Co-ordination III. Two Levels of Inference INTRODUCTION I. GRAPHIC COLLECTIONS II. NON-GRAPHIC COLLECTIONS CONDITIONS OF CLASS-INCLUSION IV. CLASS INCLUSION AND HIERARCHICAL CLASSIFICATIONS V. COMPLEMENTARY CLASSES VI. MULTIPLICATIVE CLASSIFICATION (MATRICES) VII. FLEXIBILITY IN HINDSIGHT AND FORESIGHT VIII. THE CLASSIFICATION OF ELEMENTS PERCEIVED BY TOUCH IX. SERIATION X. MULTIPLE SERIATION, CONCLUSIONS