Abstract.
We give a proof of Hechler's theorem that any \(\aleph_1\)-directed partial order can be embedded via a ccc forcing notion cofinally into \(\omega^\omega\) ordered by eventual dominance. The proof relies on the standard forcing relation rather than the variant introduced by Hechler.
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Received June 30, 1995 / Revised version received June 26, 1996
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Burke, M. A proof of Hechler's theorem on embedding \(\aleph_1\)-directed sets cofinally into \((\omega^\omega,<^*)\) . Arch Math Logic 36, 399–403 (1997). https://doi.org/10.1007/s001530050072
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DOI: https://doi.org/10.1007/s001530050072