Canonization theorems and applications
- 1 June 1981
- journal article
- Published by Cambridge University Press (CUP) in The Journal of Symbolic Logic
- Vol. 46 (2) , 345-353
- https://doi.org/10.2307/2273626
Abstract
We improve the canonization theorems generalizing the Erdös-Rado theorem, and as a result complete the answer to “When does a Hausdorff space of cardinality χ necessarily have a discrete subspace of cardinality k” We also improve the results on existence of free subsets.Keywords
This publication has 2 references indexed in Scilit:
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- Proof of a conjecture of B. RuziewiczFundamenta Mathematicae, 1961