Possibility and necessity /
Piaget, Jean, 1896-1980.
Possibility and necessity / Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga Feider. - Minneapolis : University of Minnesota Press, c1987. - 2 v. : ill. ; 24 cm.
Translation of: Le possible et le neÃÅcessaire.
Includes bibliographical references and indexes.
v. 1. The role of possibility in cognitive development -- v. 2. The role of necessity in cognitive development.
0816613702 (v. 1) 0816613729 (v. 2)
Possibility--Psychological aspects.
Necessity (Philosophy)
Reality in children.
Cognition in children.
Possibility and necessity / Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga Feider. - Minneapolis : University of Minnesota Press, c1987. - 2 v. : ill. ; 24 cm.
Translation of: Le possible et le neÃÅcessaire.
Includes bibliographical references and indexes.
v. 1. The role of possibility in cognitive development -- v. 2. The role of necessity in cognitive development.
0816613702 (v. 1) 0816613729 (v. 2)
Possibility--Psychological aspects.
Necessity (Philosophy)
Reality in children.
Cognition in children.