Geodesic
Special almost P-spaces
Commentationes Mathematicae Universitatis Carolinae, Tome 38 (1997) no. 2, pp. 371-374.

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Motivated by some examples, we introduce the concept of special almost P-space and show, using the reflection principle, that for every space $X$ of this kind the inequality ``$|X| \leq \psi_{c}(X)^{t(X)}$" holds.
Classification : 54A25, 54G99
Keywords: cardinal function; almost P-space 
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Fedeli, Alessandro. Special almost P-spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 38 (1997) no. 2, pp. 371-374. http://geodesic.mathdoc.fr/item/CMUC_1997__38_2_a17/