書誌事項
- タイトル別名
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- <Regular Articles> Non-standard natural numbers as large numbers : Non-standard numbers and strict finitism
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In his 2003 paper, Peacocke insisted that our implicit conception of natural numbers essentially uses a primitive recursion which consists of three clauses, and claimed that this excludes the non-standard models of natural numbers. In this article, we construct a counter “model” to his argument, which contains a non-standard natural number though the set ω of natural numbers is defined as an analogy to his primitive recursion, in a set theory with the comprehension principle within many-valued logic. This result suggests that we should interpret non-standard natural numbers from a philosophical viewpoint. We discuss this by reviewing Strict Finitism, and we conclude that non-standard natural numbers can be interpreted as “large numbers” in a Strict Finitist sense: It expresses new numbers which are introduced by expanding the notation system of natural numbers.
収録刊行物
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- 科学哲学科学史研究
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科学哲学科学史研究 6 1-15, 2012-02-28
京都大学文学部科学哲学科学史研究室
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詳細情報 詳細情報について
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- CRID
- 1390009224839274240
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- NII論文ID
- 120003891659
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- NII書誌ID
- AA12164361
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- DOI
- 10.14989/153499
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- HANDLE
- 2433/153499
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- ISSN
- 18839177
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用可