Symbols:D/Positive Elements of Ordered Integral Domain
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Ordered Integral Domain
- $D_+^*$
Let $\struct {D, +, \circ, \le}$ be an ordered integral domain whose zero is $0_D$.
Then $D_+^*$ denotes the set $\set {x \in D: 0_D < x}$, that is, the set of all strictly positive elements of $D$.
Some sources denote this as $D^+$, but this style of notation makes it difficult to distinguish between this and $D_+$.
Its $\LaTeX$ code is D_+^*
.