Hyper-Torre Isols
Ellentuck, Erik
J. Symbolic Logic, Tome 46 (1981) no. 1, p. 1-5 / Harvested from Project Euclid
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If $T$ is an isol let $D(T)$ be the least set of isols which contains $T$ and is closed under predecessors and the application of almost recursive combinatorial functions. We find an infinite regressive isol $T$ such that the universal theory (with respect to recursive relations and almost recursive combinatorial functions) of $D(T)$ is the same as that of the nonnegative integers.
Publié le : 1981-03-14
Classification:  
@article{1183740712,
     author = {Ellentuck, Erik},
     title = {Hyper-Torre Isols},
     journal = {J. Symbolic Logic},
     volume = {46},
     number = {1},
     year = {1981},
     pages = { 1-5},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183740712}
}

Ellentuck, Erik. Hyper-Torre Isols. J. Symbolic Logic, Tome 46 (1981) no. 1, pp.  1-5. http://gdmltest.u-ga.fr/item/1183740712/