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Do varietal wines, e.g. pure cabernet sauvignon, make sense? It seems like a blend of grapes with different properties *has* to be better, e.g. one for color, one for aroma, one for body. Is it that with the varietal, at least one knows there's no rotgut cheap grape involved?
 
Do varietal wines, e.g. pure cabernet sauvignon, make sense? It seems like a blend of grapes with different properties *has* to be better, e.g. one for color, one for aroma, one for body. Is it that with the varietal, at least one knows there's no rotgut cheap grape involved?
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https://en.wikipedia.org/wiki/Positive_real_numbers says:
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Although the symbols {\displaystyle \mathbb {R} _{+}}\mathbb {R} _{+} and {\displaystyle \mathbb {R} ^{+}}{\mathbb  {R}}^{{+}} are ambiguously used for either of these, the notation {\displaystyle \mathbb {R} _{+}}\mathbb {R} _{+} or {\displaystyle \mathbb {R} ^{+}}{\mathbb  {R}}^{{+}} for {\displaystyle \left\{x\in \mathbb {R} \mid x\geq 0\right\}}{\displaystyle \left\{x\in \mathbb {R} \mid x\geq 0\right\}} and {\displaystyle \mathbb {R} _{+}^{*}}{\displaystyle \mathbb {R} _{+}^{*}} or {\displaystyle \mathbb {R} _{*}^{+}}{\displaystyle \mathbb {R} _{*}^{+}} for {\displaystyle \left\{x\in \mathbb {R} \mid x>0\right\}}{\displaystyle \left\{x\in \mathbb {R} \mid x>0\right\}} has also been widely employed, is aligned with the practice in algebra of denoting the exclusion of the zero element with a star, and should be understandable to most practicing mathematicians.
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==Original Stuff from Wikimedia==
 
==Original Stuff from Wikimedia==

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Do varietal wines, e.g. pure cabernet sauvignon, make sense? It seems like a blend of grapes with different properties *has* to be better, e.g. one for color, one for aroma, one for body. Is it that with the varietal, at least one knows there's no rotgut cheap grape involved?


https://en.wikipedia.org/wiki/Positive_real_numbers says:

Although the symbols {\displaystyle \mathbb {R} _{+}}\mathbb {R} _{+} and {\displaystyle \mathbb {R} ^{+}}{\mathbb {R}}^Template:+ are ambiguously used for either of these, the notation {\displaystyle \mathbb {R} _{+}}\mathbb {R} _{+} or {\displaystyle \mathbb {R} ^{+}}{\mathbb {R}}^Template:+ for {\displaystyle \left\{x\in \mathbb {R} \mid x\geq 0\right\}}{\displaystyle \left\{x\in \mathbb {R} \mid x\geq 0\right\}} and {\displaystyle \mathbb {R} _{+}^{*}}{\displaystyle \mathbb {R} _{+}^{*}} or {\displaystyle \mathbb {R} _{*}^{+}}{\displaystyle \mathbb {R} _{*}^{+}} for {\displaystyle \left\{x\in \mathbb {R} \mid x>0\right\}}{\displaystyle \left\{x\in \mathbb {R} \mid x>0\right\}} has also been widely employed, is aligned with the practice in algebra of denoting the exclusion of the zero element with a star, and should be understandable to most practicing mathematicians.


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