Skolem's paradox
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In mathematical logic and philosophy, Skolem's paradox is the apparent contradiction that a countable model of first-order set theory could contain an uncountable set. The paradox arises from part of
Thoralf Skolem, after whom the paradox is named
Ernst Zermelo
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Ernst Friedrich Ferdinand Zermelo was a German logician and mathematician, whose work has major implications for the foundations of mathematics. He is known for his role in developing Zermelo–Fraenkel
Skolem's paradox
…that the countability of a set is not absolute, but relative to the model in which the cardinality is measured. Skolem's work was harshly received by Ernst Zermelo, who argued against the limitations of first-order logic and Skolem's notion of "relativity," but the result quickly came to be accepted by the…
Ernst Zermelo in the 1900s
Ernst Zermelo in Freiburg (1953)
Ernst Zermelo tombstone in Friedhof Günterstal, in Günterstal district of Freiburg im Breisgau