Hydra games for recursively Mahlo operations
classification
🧮 math.LO
keywords
hydramahlorecursivelyarithmeticconsistencyequivalenteventuallyevery
read the original abstract
A hydra game is proposed, and the fact that every hydra eventually die out is shown to be equivalent (over a weak arithmetic) to the 1-consistency of set theory KPM for recursively Mahlo universes.
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