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A New Proof of a Theorem of Shelah

✍ Scribed by John W. Rosenthal


Book ID
124972704
Publisher
Association for Symbolic Logic
Year
1972
Tongue
English
Weight
264 KB
Volume
37
Category
Article
ISSN
0022-4812

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## Abstract Shelah has shown (see [1]) that the number __d__, the smallest cardinality of a dominating family, is less than or equal to the number __i__, the smallest cardinality of a maximal independent family on Ο‰. This was done using a downward LΓΆwenheim‐Skolem argument. Thus it is interesting t