A DIRECT PROOF OF A RESULT OF SHELAH
✍
Martin Weese
📂
Article
📅
1992
🏛
John Wiley and Sons
🌐
English
⚖ 110 KB
## 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 ω. This was done using a downward Löwenheim‐Skolem argument. Thus it is interesting t