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A Note on a Fully Ordered Ring
Published online by Cambridge University Press: 20 November 2018
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A ring R (associative ring) is said to be fully ordered provided that R is a linearly ordered set under a relation such that for any a, b and c in R,
implies that
and if c ε 0 then
and
. We say a subset K of R is convex provided that if a, b ε K such that
then the interval [a, b] is a subset of K. Obviously an additive subgroup K of R is convex if and only if b ε K and b > 0 implies [a, b] ⊆ K.
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- Copyright © Canadian Mathematical Society 1967
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