The Hanf Number of Second Order Logic
Barwise, K. Jon
J. Symbolic Logic, Tome 37 (1972) no. 1, p. 588-594 / Harvested from Project Euclid
We prove, among other things, that the number mentioned above cannot be shown to exist without using some $\Pi_1(\mathscr{P})$ instance of the axiom of replacement.
Publié le : 1972-09-14
Classification: 
@article{1183738328,
     author = {Barwise, K. Jon},
     title = {The Hanf Number of Second Order Logic},
     journal = {J. Symbolic Logic},
     volume = {37},
     number = {1},
     year = {1972},
     pages = { 588-594},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183738328}
}
Barwise, K. Jon. The Hanf Number of Second Order Logic. J. Symbolic Logic, Tome 37 (1972) no. 1, pp.  588-594. http://gdmltest.u-ga.fr/item/1183738328/