Realizability for Peano arithmetic with winning conditions in HON games
Realizability for Peano arithmetic with winning conditions in HON games
复制标题
HON 游戏中具有获胜条件的 Peano 算术的可实现性
DOI:
10.1016/j.apal.2016.10.006
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发表时间:
2017
影响因子:
0.8
通讯作者:
Blot V
中科院分区:
文献类型:
--
作者:
Blot V
We build a realizability model for Peano arithmetic based on winning conditions for HON games. Our winning conditions are sets of desequentialized interactions which we call positions. We define a notion of winning strategies on arenas equipped with winning conditions. We prove that the interpretation of a classical proof of a formula is a winning strategy on the arena with winning condition corresponding to the formula. Finally we apply this to Peano arithmetic with relativized quantifications and give the example of witness extraction for Π 2 0-formulas.
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1994
期刊:
Journal of Symbolic Logic (JSL)
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