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印符数论
印符数论(英语:Typographical Number Thoery,简称TNT),是一种用来描述自然数的形式公理系统,由侯世达在《哥德尔、埃舍尔、巴赫》一书中提出。TNT是皮亚诺算术的一种实现,侯世达以此来解释哥德尔不完备定理。 如同其他实现皮亚诺公理的系统,TNT是自指的 ...
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