Piaget's logic
By: Robert H. Ennis
Series: Working papers in educational research -- no. 2
Publisher: Cornell University
Published: 1969
Place of publication: New York]
Language: eng
Number of pages: 27
Subjects: Logic; Critical thinking; Creative thinking; Reasoning in children
Notes: The research reported in this paper and the production of the paper itself was supported by United States Office of Education Grant OEG-0-062172-3652.

"Version of February 26, 1969"--t.p.

Includes bibliographical references (leaf 27).