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Two consistency results on set mappings
Published online by Cambridge University Press: 12 March 2014
Abstract
It is consistent that there is a set mapping from the four-tuples of ωn into the finite subsets with no free subsets of size tn for some natural number tn. For any n < ω it is consistent that there is a set mapping from the pairs of ωn into the finite subsets with no infinite free sets. For any n < ω it is consistent that there is a set mapping from the pairs of ωn into ωn with no uncountable free sets.
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- Copyright © Association for Symbolic Logic 2000
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