Preserving $\sigma$-Ideals

Zapletal, Jindrich

J. Symbolic Logic, Tome 63 (1998) no. 1, p. 1437-1441 / Harvested from Project Euclid

Résumé

It is proved consistent that there be a proper $\sigma$-ideal $\Im$ on $\omega_1$ and an $\aleph_1$-preserving poset $\mathbb{P}$ such that $\mathbb{P} \Vdash$ the $\sigma$-ideal generated by $\check{\Im}$ is not proper.

Publié le : 1998-12-14
Classification:

@article{1183745641,
     author = {Zapletal, Jindrich},
     title = {Preserving $\sigma$-Ideals},
     journal = {J. Symbolic Logic},
     volume = {63},
     number = {1},
     year = {1998},
     pages = { 1437-1441},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183745641}
}

Zapletal, Jindrich. Preserving $\sigma$-Ideals. J. Symbolic Logic, Tome 63 (1998) no. 1, pp.  1437-1441. http://gdmltest.u-ga.fr/item/1183745641/