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KS 1.1: piro
(Resend)
And posits an XS4.1, which I'll digest later, and which he knows I'll
reject. Under the Yuletide Accord of 2002, this is an honourable
outcome: I kludge as much of a solution together that does things XS
does without violating basic precepts of SL; this results in M$
Lojban rather than McD Lojban; And can use M$ Lojban or stick with AL
as he chooses.
Instead, let me do my own take of what I think piro means.
piro lo'i broda is not all possible bits (= subset) of a set. It is
one particular subset of the set: the entirety of it. If lo'i broda =
{a, b, c, d}, piro lo'i broda = {a, b, c, d}, since {a, b, c, d} is a
subset of lo'i broda.
pimu lo'i broda is any set which is a subset of {a, b, c, d}, and of
cardinality 2. There are 12 such possible subsets.
How do we quantify over those possibilities? My contention, piro is
not a 'real qantifier', it is a description of a portion, and it
makes only an existential cllaim as far as real quantification. piro
lo'i = there exists a subset of the set, and it encompasses the whole
set. pimu lo'i there exists at least one subset of the set, and it
encompasses half the set.
Do you want to universally, rather than existentially, quantify piro
lo'i and pimu lo'i? We have two different tasks.
1. All the bits of lo'i = all the subsets of lo'i.
That is, all the sets consisting of at least one member of the given set.
The members of the set lo'i broda are
lu'a piro lo'i broda
At least one member of the set lo'i broda is:
su'o lu'a piro lo'i broda
A set consisting of at least one member of the set lo'i broda is:
lu'i su'o lu'a piro lo'i broda
All sets consisting of at least one member of the set lo'i broda is:
ro lu'i su'o lu'a piro lo'i broda
piro lo'i broda is only one of the possible subsets of lo'i broda ---
the one that isn't a proper subset. So it is
pa lu'i su'o lu'a piro lo'i broda
So much for "the whole of" vs. "all bits of". To speak of "all"
anything, including "all bits of", I need an explicit {ro}.
Now, "half the set of", for a set of cardinality 4, means any subset
of cardinality 2. There are 12 such subsets.
Of any such subset ({a,b}, {c,d}, {a,c}...), it can be said that it
is an instance of {pimu lo'i broda}. (They are in fact different
avatars of the kind tu'o lo pimu lo'i broda, but let's not go there
today.)
If you want to say "all halves of a set", you end up saying
ro lu'i ro fi'u re lu'a piro lo'i broda
which is
ro lu'i ro pi'i pimu lu'a piro lo'i broda
But if any given set is half a set, it is
pa lu'i ro pi'i pimu lu'a piro lo'i broda
This is kinda kludgy, and I may yet make it more elegant. I was doing
lots of type shifts with lo ro loi... in the KS1, I may end up doing
so for sets and individuals. Or I may not.
By the by, I deem that lu'a working on individuals gives you the
individuals back; lu'a working on collectives and sets gives you any
member of the collective/set (so the lu'i in the KS1 should be
replaced by lu'a.)
Similarly, lu'i of individuals gives the set of individuals; lu'i of
a set gives a set of sets. So lu'i .abu .e by (lu'i re broda} = {a,
b}; lu'i .abu ce by (lu'i le'i re broda) = { {a,b} }.
I will naughtily and jboskeily define lu'a with respect to a
substance as a portion of substance. So
lo djacu = a physically distinct expanse of water (something that is
intuitively an individual); a spisa
lu'a loi djacu = any amount of the substance, physically distinct or not.
In that case, every possible portion of the substance is
ro lo ro lu'a pisu'o loi ci'ipa djacu
All out of all the possible portions of at least some of the mass of all water
This can be abbreviated to
ro lu'a loi djacu
But "the whole of water", the universal of the substance, is
pa lo ro lu'a pisu'o loi ci'ipa djacu
pa lu'a loi djacu
In particular, the piromei of water:
su'osu'epa lu'a loi djacu poi ro lu'a loi djacu cu se vasru ke'a
Half of all the water there is is:
pi mu loi ci'ipa djacu
All the possible halves of all the water there is are:
ro lo ro dunlysimxu te memzilfendi be piro loi ci'ipa djacu bei li re
This too is prolix.
But you know what? I'm not that fussed about this. Talking about half
a glass of water --- any half --- is a lot more useful than talking
about all possible halves. The quantification of fractional bits of
substance will be almost always unique. (In fact, the fractional
quantifier is arguably a Unique: "top half,bottom half, left half,
right half, it's all half a glass.")
I've got no problem with pimu loi djacu being any half of water,
rather than... what, one out of every two possible bits of water? No,
it's not that. Fractional quantifiers specify the size of the
portion. They don't say anything about how many such portions are
possible (an inner quantifier), nor how many such portions you're
actually talking about (because, uh, you don't care, because it's a
Unique.)
Damn. So half a glass of water is a Unique with regard to quantifying
properly over bits of water. No wonder we don't want an overt real
quantifier there...
--
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* Dr Nick Nicholas, French & Italian Studies nickn@unimelb.edu.au *
University of Melbourne, Australia http://www.opoudjis.net
* "Eschewing obfuscatory verbosity of locutional rendering, the *
circumscriptional appelations are excised." --- W. Mann & S. Thompson,
* _Rhetorical Structure Theory: A Theory of Text Organisation_, 1987. *
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