The Mathematical Education (한국수학교육학회지시리즈A:수학교육)
- Volume 15 Issue 1
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- Pages.15-17
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- 1976
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- 1225-1380(pISSN)
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- 2287-9633(eISSN)
Some properties of a pseudometric on the set of sub $\sigma$ -fields of a $\sigma$ -field $\mathfrak{F}$
Abstract
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