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Reverse induction proof of D property of the countable power of the Sorgenfrey line. (arXiv:2004.10775v1 [math.GN]) http://arxiv.org/abs/2004.10775
Reverse induction proof of D property of the countable power of the Sorgenfrey line. (arXiv:2004.10775v1 [math.GN]) http://arxiv.org/abs/2004.10775