Full Reflection of Stationary Sets Below $\aleph_\omega$
Jech, Thomas ; Shelah, Saharon
J. Symbolic Logic, Tome 55 (1990) no. 1, p. 822-830 / Harvested from Project Euclid
It is consistent that, for every $n \geq 2$, every stationary subset of $\omega_n$ consisting of ordinals of cofinality $\omega_k$, where $k = 0$ or $k \leq n - 3$, reflects fully in the set of ordinals of cofinality $\omega_{n - 1}$. We also show that this result is best possible.
Publié le : 1990-06-14
Classification: 
@article{1183743334,
     author = {Jech, Thomas and Shelah, Saharon},
     title = {Full Reflection of Stationary Sets Below $\aleph\_\omega$},
     journal = {J. Symbolic Logic},
     volume = {55},
     number = {1},
     year = {1990},
     pages = { 822-830},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183743334}
}
Jech, Thomas; Shelah, Saharon. Full Reflection of Stationary Sets Below $\aleph_\omega$. J. Symbolic Logic, Tome 55 (1990) no. 1, pp.  822-830. http://gdmltest.u-ga.fr/item/1183743334/