Hercules and Hydra
Commentationes Mathematicae Universitatis Carolinae, Tome 29 (1988) no. 1, pp. 85-95
@article{CMUC_1988_29_1_a8,
author = {Loebl, Martin},
title = {Hercules and {Hydra}},
journal = {Commentationes Mathematicae Universitatis Carolinae},
pages = {85--95},
year = {1988},
volume = {29},
number = {1},
mrnumber = {937552},
zbl = {0666.05024},
language = {en},
url = {http://geodesic.mathdoc.fr/item/CMUC_1988_29_1_a8/}
}
Loebl, Martin. Hercules and Hydra. Commentationes Mathematicae Universitatis Carolinae, Tome 29 (1988) no. 1, pp. 85-95. http://geodesic.mathdoc.fr/item/CMUC_1988_29_1_a8/
[1] L. KIRBY J. PARIS: Accessible independence results for Peano Arithmetic. Bulletin of the London Math. Soc. 14 (1982). | MR
[2] M. LOEBL J. MATOUŠEK: On undecidability of the weakened Kruskal theorem. Contemporary Math., Proceedings Symposia AMS "Logic and Combinatorics", ed. S. Simpson, Amer. Math. Soc. (1987), 275-280. | MR
[3] J. NEŠETŘIL: Some non standard Ramsey-like applications. Theoret. Comp. Science 34 (1984), 3-15. | MR
[4] S. FEFERMAN: Classifications of recursive functions by means of hierarchies. Transactions of the American Mathematical Society 104 (1962), 101-122. | MR | Zbl