Subject: RE: RE: [xsl] Selecting the first node set From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> Date: Tue, 15 Aug 2006 14:22:57 -0400 |
I find it easier to think of things visually (I always did well in geometry but stumbled in algebra). What we're really working with is the notion of sets, so I think of a Venn diagram. I picture this:
"x | y[1]"
as "The set of all x-things and the first y-thing."
and this:
"(x | y)[1]"
as "The first element of the set of all x-things and all y-things."
Is that about right?
Cheers, Wendell
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