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bio website andreaferretti.it
location Bonn, Germany
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visits member for 4 years
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Aug
5
revised Thin categories and graphs (isomorphism of categories)
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Aug
3
revised Applications for the class equation from group theory
added 95 characters in body
Jul
27
revised Why is compactness in logic called compactness?
added 549 characters in body
Jul
27
revised Applications for the class equation from group theory
added 1018 characters in body