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The Caesar-problem Problem
Philosophia Mathematica ( IF 0.8 ) Pub Date : 2025-03-04 , DOI: 10.1093/philmat/nkaf002
Francesca Boccuni 1 , Luca Zanetti 2
Affiliation  

Hume’s Principle (HP) does not determine the truth values of ‘mixed’ identity statements like ‘$ \#F $ = Caesar’. This is the Caesar Problem (CP). Still, neologicists such as Hale and Wright argue that (1) HP is a priori, and (2) HP introduces the pure sortal concept Number. We argue that Neologicism faces a Caesar-problem Problem (CPP): if neologicists solve CP by establishing that ‘$ \#F\neq $ Caesar’ is true, (1) and (2) cannot be retained simultaneously. We examine various responses neologicists might provide and show that they do not address CPP. We conclude that CP uncovers a fatal tension in Neologicism.

中文翻译:


凯撒问题



休谟原理 (HP) 并不能确定诸如 '$ \#F $ = Caesar' 之类的 “混合” 恒等陈述的真值。这就是凯撒问题 (CP)。尽管如此,Hale 和 Wright 等新学家认为 (1) HP 是先验的,并且 (2) HP 引入了纯排序概念 Number。我们认为新逻辑主义面临凯撒问题 (CPP):如果新逻辑主义者通过确定 '$ \#F\neq $ Caesar' 是真的来解决 CP,那么 (1) 和 (2) 就不能同时保留。我们研究了新学家可能提供的各种回答,并表明他们没有解决 CPP。我们得出的结论是,CP 揭示了新逻辑主义中的一种致命的紧张关系。
更新日期:2025-03-04
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