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| Topic: | Re:How are mental operations observed? |
| Posted by: | Leslie Smith |
| Date/Time: | 2010/8/5 23:07:57 |
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Operations In your first email below, I can find neither of the two quotes on the pages you attribute?to what I take to be Piaget, J. (1950). Introduction ?l'épistémologie génétique. Presses Universitaires de France. But the simplest guide to Piaget's definition of an operation is in his Genetic Epistemology (Columbia University Press, 1970, p. 21ff). |