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Argumenting, proving, explaining continuity or cognitive break. (Argomentare, dimostrare, spiegare: continuità o rottura cognitiva.) (Italian)
Pitagora Editrice, Bologna (ISBN 88-371-1011-1). 47 p. (1998).
For a review see MATHDI/ZDM (1994) no.3, E50 1081.
Classification: E50
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