## The character of $\omega _{1}$ in first countable spaces

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- by William G. Fleissner
- Proc. Amer. Math. Soc.
**62**(1977), 149-155 - DOI: https://doi.org/10.1090/S0002-9939-1977-0438272-7
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## Abstract:

We define a cardinal function $\chi (P,Q)$, where*P*and

*Q*are properties of topological spaces. We show that it is consistent and independent that $\chi ({\omega _1},\;{\text {first}}\;{\text {countable}}) = {\omega _1}$.

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## Bibliographic Information

- © Copyright 1977 American Mathematical Society
- Journal: Proc. Amer. Math. Soc.
**62**(1977), 149-155 - MSC: Primary 54A25; Secondary 04A20
- DOI: https://doi.org/10.1090/S0002-9939-1977-0438272-7
- MathSciNet review: 0438272