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Education and Mind in the Knowledge Age by Carl Bereiter

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Aspects of Knowledgeability

When I say what I know, how is what I say what I know?

—Wittgenstein, (1980, par. 88)

How many kinds of knowledge are there? When it refers to knowledge objects in World 3, the question obviously has no definite answer. It is like asking how many kinds of books there are in a catalogued library. The answer depends on the cataloguing system in use. When the question refers to World 2, however, to knowledge as a property of human minds, the possibility arises that nature may have imposed its own cataloguing system, that ...

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