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elim 发表于 2025-4-20 21:58 \(\huge\color{red}{\textbf{使用皮亚诺公理第二条就是预设v是自然数, 白痴!}}\) \(\huge\color{red}{v=v ...
elim 发表于 2025-4-21 22:49 \(\huge\color{red}{\textbf{使用皮亚诺公理于\(v\)就是预设v是自然数, 白痴!}}\) \(\huge\color{red}{v= ...
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