学堂路畔 #172
学堂路畔
#172
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现在是言也不行,行也不行( |
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其实还有比“十以内的加法”更困难的,那就是掌握 Peano 公理“后继”概念在不同自然语言体系的具体实现。作为一名合格的小学生,你得死记硬背:
只要你掌握了这些,你就从理论上来说不用背而独立推导出这些口诀——只不过,死记硬背的条数从 45 条变成了 50 条。 |
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学堂路畔
在学堂路畔,与形形色色的路人擦肩而过,总能偶然听到一些有趣的只言片语;感觉可以记下来专门开一篇了(
https://ouuan.moe/post/2023/10/xuetang-roadside
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