Article
Keywords:
nowhere dense subset; Booth's Lemma; $\pi $-weight
Summary:
References:
[1] Rudin M.E.: Martin's Axiom. in Handbook of set-theoretic topology K. Kunen and J.E. Vaughan Elsevier Science Publishers B.V. (1984), 491-501.
[2] Bell M.G.:
On the combinatorial Principle $P({\frak C})$. Fund. Math. 114 (1981), 149-157.
MR 0643555 |
Zbl 0581.03038