2021
DOI: 10.2478/ausm-2021-0010
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Sums and products of intervals in ordered groups and fields

Abstract: We show that the sum of two intervals in an ordered dense Abelian group is also an interval such that the endpoints of the sum are equal to the sums of the endpoints. We prove analogous statements concerning to the product of two intervals.

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Cited by 5 publications
(3 citation statements)
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“…• An ordered field F(+, •, ⩽) is said to be Archimedean ordered if F(+, ⩽) is an Archimedean ordered group. Now, we review some properties of open intervals ( [10,12]). The open intervals are…”
Section: Some Necessary Concepts and Resultsmentioning
confidence: 99%
“…• An ordered field F(+, •, ⩽) is said to be Archimedean ordered if F(+, ⩽) is an Archimedean ordered group. Now, we review some properties of open intervals ( [10,12]). The open intervals are…”
Section: Some Necessary Concepts and Resultsmentioning
confidence: 99%
“…In the rest of this article we use four properties of the open intervals in the appropriately ordered structure [8]:…”
Section: Introductionmentioning
confidence: 99%
“…kalkulus dalam kerangka kerja lapangan dan grup abel padat terurut [1]. Sementara dalam [2] mendiskusikan hubungan antara aljabar-MV dan grup terurut siklis secara parsial yang secara khusus berfokus pada grup terurut latis, yang membuka jalan untuk eksplorasi lebih lanjut dalam teori keputusan dan logika fuzzy, di mana struktur seperti aljabar-MV berperan penting.…”
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