Geodesic
A Čech function in ZFC
Fred Galvin1 ; Petr Simon2
1 Department of Mathematics University of Kansas 1460 Jayhawk Blvd. Lawrence, KS 66045-7523, U.S.A.
2 Faculty of Mathematics and Physics Charles University Malostranské nám. 25 11800 Praha 1, Czech Republic
Fundamenta Mathematicae, Tome 193 (2007) no. 2, pp. 181-188.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

A nontrivial surjective Čech closure function is constructed in ZFC.
DOI : 10.4064/fm193-2-6
Keywords: nontrivial surjective ech closure function constructed zfc

Fred Galvin 1 ; Petr Simon 2

1 Department of Mathematics University of Kansas 1460 Jayhawk Blvd. Lawrence, KS 66045-7523, U.S.A.
2 Faculty of Mathematics and Physics Charles University Malostranské nám. 25 11800 Praha 1, Czech Republic 
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Fred Galvin; Petr Simon. A Čech function in ZFC. Fundamenta Mathematicae, Tome 193 (2007) no. 2, pp. 181-188. doi : 10.4064/fm193-2-6. http://geodesic.mathdoc.fr/articles/10.4064/fm193-2-6/

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