Continuous tree-like scales |
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Authors: | James Cummings |
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Institution: | 1.Department of Mathematical Sciences,Carnegie Mellon University,Pittsburgh,USA |
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Abstract: | Answering a question raised by Luis Pereira, we show that a continuous tree-like scale can exist above a supercompact cardinal.
We also show that the existence of a continuous tree-like scale at ℵ
ω
is consistent with Martin’s Maximum. |
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Keywords: | |
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