An easy proof that β𝙉-𝙉-{p} is not normal



Abstract

We give a simple proof that, under CH, βN-N-{p} is not normal for any pβN-N.


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Published : 1986-09-30


van MillJ. (1986). An easy proof that β𝙉-𝙉-{p} is not normal. Annales Mathematicae Silesianae, 2, 81-84. Retrieved from https://journals.us.edu.pl/index.php/AMSIL/article/view/14326

Jan van Mill 
Wiskunding Seminarium, Vrije Universitat Amsterdam, Holland  Netherlands



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