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A non-D-space with large extent |
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| Authors: | Tetsuya Ishiu |
| Institution: | Department of Mathematics and Statistics, Miami University, Oxford, OH 45056, USA |
| Abstract: | We proved that ?+ implies the existence of a non-D-space whose all closed subspace F satisfies e(F)=L(F). The existence of such a space under MA+¬CH or PFA is also discussed. |
| Keywords: | primary 54D20 secondary 03E35 |
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