Minimality in the $\triangle^1_3$-Degrees
Welch, Philip
J. Symbolic Logic, Tome 52 (1987) no. 1, p. 908-915 / Harvested from Project Euclid
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We show in ZFC, assuming all reals have sharps, that a countable collection of $\triangle^1_3$-degrees without a minimal upper bound implies the existence of inner models with measurable cardinals.
Publié le : 1987-12-14
Classification:  
@article{1183742500,
     author = {Welch, Philip},
     title = {Minimality in the $\triangle^1\_3$-Degrees},
     journal = {J. Symbolic Logic},
     volume = {52},
     number = {1},
     year = {1987},
     pages = { 908-915},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183742500}
}

Welch, Philip. Minimality in the $\triangle^1_3$-Degrees. J. Symbolic Logic, Tome 52 (1987) no. 1, pp.  908-915. http://gdmltest.u-ga.fr/item/1183742500/