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\chap{Relative Clauses, Which Make sumti Even More Complicated}
\sect{What are you pointing at?}
The following cmavo are discussed in this section:
poi NOI restrictive relative clause introducer
ke'a GOhA relative pro-sumti
ku'o KUhO relative clause terminator
Let us think about the problem of communicating what it is that
we are pointing at when we are pointing at something. In
Lojban, we can refer to what we are pointing at by using the
pro-sumti \q{ti} if it is nearby, or \q{ta} if it is somewhat
further away, or \q{tu} if it is distant. (Pro-sumti are
explained in full in \chapref{7}.)
However, even with the assistance of a pointing finger, or
pointing lips, or whatever may be appropriate in the local
culture, it is often hard for a listener to tell just what is
being pointed at. Suppose one is pointing at a person (in
particular, in the direction of his or her face), and says:
\begin{example}
ti cu barda\n
This-one is-big.
\end{example}
What is the referent of \q{ti}? Is it the person? Or perhaps
it is the person's nose? Or even (for \q{ti} can be plural as
well as singular, and mean \q{these ones} as well as ``this
one'') the pores on the person's nose?
To help solve this problem, Lojban uses a construction
called a \q{relative clause}. Relative clauses are usually
attached to the end of sumti, but there are other places where
they can go as well, as explained later in this chapter. A
relative clause begins with a word of selma'o NOI, and ends
with the elidable terminator \q{ku'o} (of selma'o KUhO). As you
might suppose, \q{noi} is a cmavo of selma'o NOI; however,
first we will discuss the cmavo \q{poi}, which also belongs to
selma'o NOI.
In between the \q{poi} and the \q{ku'o} appears a full
bridi, with the same syntax as any other bridi. Anywhere within
the bridi of a relative clause, the pro-sumti \q{ke'a} (of
selma'o KOhA) may be used, and it stands for the sumti to which
the relative clause is attached (called the ``relativized
sumti''). Here are some examples before we go any further:
\begin{example}
ti poi ke'a prenu ku'o cu barda\n
This-thing such-that( IT is-a-person ) is-large.\n
This thing which is a person is big.\n
This person is big.
\end{example}
\begin{example}
ti poi ke'a nazbi ku'o cu barda\n
This-thing such-that( IT is-a-nose ) is-large.\n
This thing which is a nose is big.\n
This nose is big.
\end{example}
\begin{example}
ti poi ke'a nazbi kapkevna ku'o\n
\T cu barda\n
This-thing such-that( IT is-a-nose-type-of skin-hole )\n
\T is-big.\n
These things which are nose-pores are big.\n
These nose-pores are big.
\end{example}
In the literal translations throughout this chapter, the word
\q{IT}, capitalized, is used to represent the cmavo \q{ke'a}.
In each case, it serves to represent the sumti (in \exref{8.1.2} through hyperref\optional{ex:8:1:4}{1.4}, the cmavo \q{ti}) to which the relative
clause is attached.
Of course, there is no reason why \q{ke'a} needs to appear
in the $x_1$ place of a relative clause bridi; it can appear in
any place, or indeed even in a sub-bridi within the relative
clause bridi. Here are two more examples:
\begin{example}
tu poi le mlatu pu lacpu ke'a ku'o\n
\T cu ratcu\n
That-distant-thing such-that( the cat \optional{past} drags IT )\n
\T is-a-rat.\n
That thing which the cat dragged is a rat.\n
What the cat dragged is a rat.
\end{example}
\begin{example}
ta poi mi djica le nu mi ponse ke'a \optional{kei} ku'o\n
\T cu bloti\n
That-thing such-that( I desire the event-of( I own IT ) )\n
\T is-a-boat.\n
That thing that I want to own is a boat.
\end{example}
In \exref{8.1.6}, \q{ke'a} appears in an
abstraction clause (abstractions are explained in \chapref{11}) within a relative
clause.
Like any sumti, \q{ke'a} can be omitted. The usual
presumption in that case is that it then falls into the $x_1$
place:
\begin{example}
ti poi nazbi cu barda\n
This-thing which is-a-nose is-big.
\end{example}
{\noindent}almost certainly means the same thing as \exref{8.1.3}. However, \q{ke'a} can be omitted
if it is clear to the listener that it belongs in some place
other than $x_1$:
\begin{example}
tu poi le mlatu pu lacpu cu ratcu\n
That-distant-thing which the cat drags is-a-rat
\end{example}
{\noindent}is equivalent to \exref{8.1.4}.
As stated before, \q{ku'o} is an elidable terminator, and in
fact it is almost always elidable. Throughout the rest of this
chapter, \q{ku'o} will not be written in any of the examples
unless it is absolutely required: thus, \exref{8.1.2} can be written:
\begin{example}
ti poi prenu cu barda\n
That which is-a-person is-big.\n
That person is big.
\end{example}
{\noindent}without any change in meaning. Note that \q{poi} is translated
\q{which} rather than \q{such-that} when \q{ke'a} has been
omitted from the $x_1$ place of the relative clause bridi. The
word \q{which} is used in English to introduce English relative
clauses: other words that can be used are \q{who} and \q{that},
as in:
\begin{example}
I saw a man who was going to the store.
\end{example}
{\noindent}and
\begin{example}
The building that the school was located in is large.
\end{example}
In \exref{8.1.10} the relative clause is
\q{who was going to the store}, and in \exref{8.1.11} it is \q{that the school was located in}. Sometimes
\q{who}, \q{which}, and \q{that} are used in literal
translations in this chapter in order to make them read more
smoothly.
\sect{Incidental relative clauses}
The following cmavo are discussed in this section:
noi NOI incidental relative clause introducer
There are two basic kinds of relative clauses: restrictive
relative clauses introduced by \q{poi}, and incidental
(sometimes called simply \q{non-restrictive}) relative clauses
introduced by \q{noi}. The difference between restrictive and
incidental relative clauses is that restrictive clauses provide
information that is essential to identifying the referent of
the sumti to which they are attached, whereas incidental
relative clauses provide additional information which is
helpful to the listener but is not essential for identifying
the referent of the sumti. All of the examples in \sectref{8.1} are restrictive relative clauses: the
information in the relative clause is essential to
identification. (The title of this chapter, though, uses an
incidental relative clause.)
Consider the following examples:
\begin{example}
le gerku poi blanu cu barda\n
The dog which is-blue is-large.\n
The dog which is blue is large.
\end{example}
\begin{example}
le gerku noi blanu cu barda\n
The dog incidentally-which is-blue is-large.\n
The dog, which is blue, is large.
\end{example}
In \exref{8.2.1}, the information conveyed
by \q{poi blanu} is essential to identifying the dog in
question: it restricts the possible referents from dogs in
general to dogs that are blue. This is why \q{poi} relative
clauses are called restrictive. In \exref{8.2.2}, on the other hand, the dog which is referred to has
presumably already been identified clearly, and the relative
clause \q{noi blanu} just provides additional information about
it. (If in fact the dog hasn't been identified clearly, then
the relative clause does not help identify it further.)
In English, the distinction between restrictive and
incidental relative clauses is expressed in writing by
surrounding incidental, but not restrictive, clauses with
commas. These commas are functioning as parentheses, because
incidental relative clauses are essentially parenthetical. This
distinction in punctuation is represented in speech by a
difference in tone of voice. In addition, English restrictive
relative clauses can be introduced by \q{that} as well as
\q{which} and \q{who}, whereas incidental relative clauses
cannot begin with \q{that}. Lojban, however, always uses the
cmavo \q{poi} and \q{noi} rather than punctuation or intonation
to make the distinction.
Here are more examples of incidental relative clauses:
\begin{example}
mi noi jdice cu zvati\n
I who-incidentally am-a-judge am-at \optional{some-place}.\n
I, a judge, am present.
\end{example}
In this example, \q{mi} is already sufficiently restricted,
and the additional information that I am a judge is being
provided solely for the listener's edification.
\begin{example}
xu do viska le mi karce noi blabi\n
\optional{True?} You see my car incidentally-which is-white.\n
Do you see my car, which is white?
\end{example}
In \exref{8.2.4}, the speaker is presumed
to have only one car, and is providing incidental information
that it is white. (Alternatively, he or she might have more
than one car, since \q{le karce} can be plural, in which case
the incidental information is that each of them is white.)
Contrast \exref{8.2.5} with a restrictive
relative clause:
\begin{example}
xu do viska le mi karce poi blabi\n
\optional{True?} You see my car which is-white.\n
Do you see my car that is white?\n
Do you see my white car?
\end{example}
Here the speaker probably has several cars, and is restricting
the referent of the sumti \q{le mi karce} (and thereby the
listener's attention) to the white one only. \exref{8.2.5} means much the same as \exref{8.2.6}, which does not use a relative
clause:
\begin{example}
xu do viska le mi blabi karce\n
\optional{True?} You see my white car.\n
Do you see my car, the white one?
\end{example}
So a restrictive relative clause attached to a description can
often mean the same as a description involving a tanru.
However, \q{blabi karce}, like all tanru, is somewhat vague: in
principle, it might refer to a car which carries white things,
or even express some more complicated concept involving
whiteness and car-ness; the restrictive relative clause of \exref{8.2.5} can only refer to a car which is
white, not to any more complex or extended concept.
\sect{Relative phrases}
The following cmavo are discussed in this section:
pe GOI restrictive association
po GOI restrictive possession
po'e GOI restrictive intrinsic possession
po'u GOI restrictive identification
ne GOI incidental association
no'u GOI incidental identification
ge'u GEhU relative phrase terminator
There are types of relative clauses (those which have a certain
selbri) which are frequently wanted in Lojban, and can be
expressed using a shortcut called a relative phrase. Relative
phrases are introduced by cmavo of selma'o GOI, and consist of
a GOI cmavo followed by a single sumti.
Here is an example of \q{pe}, plus an equivalent sentence
using a relative clause:
\begin{example}
le stizu pe mi cu blanu\n
The chair associated-with me is-blue.\n
My chair is blue.
\end{example}
\begin{example}
le stizu poi ke'a srana mi\n
\T cu blanu\n
The chair such-that( IT is-associated-with me)\n
\T is-blue.
\end{example}
In \exref{8.3.1} and \exref{8.3.2}, the link between the chair and
the speaker is of the loosest kind.
Here is an example of \q{po}:
\begin{example}
le stizu po mi cu xunre\n
The chair specific-to me is red.
\end{example}
\begin{example}
le stizu poi\n
\T ke'a se steci srana mi cu xunre\n
The chair such-that\n
\T (IT is-specifically associated-with me) is-red.
\end{example}
\exref{8.3.3} and \exref{8.3.4} contrast with \exref{8.3.1} and \exref{8.3.2}: the chair is more permanently
connected with the speaker. A plausible (though not the only
possible) contrast between \exref{8.3.1} and
\exref{8.3.3} is that \q{pe mi} would be
appropriate for a chair the speaker is currently sitting on
(whether or not the speaker owned that chair), and \q{po mi}
for a chair owned by the speaker (whether or not he or she was
currently occupying it).
As a result, the relationship expressed between two sumti by
\q{po} is usually called \q{possession}, although it does not
necessarily imply ownership, legal or otherwise. The central
concept is that of specificity (\q{steci} in Lojban).
Here is an example of \q{po'e}, as well as another example
of \q{po}:
\begin{example}
le birka po'e mi cu spofu\n
The arm intrinsically-possessed-by me is-broken
\end{example}
\begin{example}
le birka poi\n
\T jinzi ke se steci srana mi\n
\T cu spofu\n
The arm which\n
\T is-intrinsically (specifically associated-with) me\n
\T is-broken
\end{example}
\begin{example}
le botpi po mi cu spofu\n
The bottle specific-to me is-broken
\end{example}
\exref{8.3.5} and \exref{8.3.6} on the one hand, and \exref{8.3.7} on
the other, illustrate the contrast between two types of
possession called \q{intrinsic} and \q{extrinsic}, or sometimes
\q{inalienable} and \q{alienable}, respectively. Something is
intrinsically (or inalienably) possessed by someone if the
possession is part of the possessor, and cannot be changed
without changing the possessor. In the case of \exref{8.3.5}, people are usually taken to
intrinsically possess their arms: even if an arm is cut off, it
remains the arm of that person. (If the arm is transplanted to
another person, however, it becomes intrinsically possessed by
the new user, though, so intrinsic possession is a matter of
degree.)
By contrast, the bottle of \exref{8.3.7}
can be given away, or thrown away, or lost, or stolen, so it is
possessed extrinsically (alienably). The exact line between
intrinsic and extrinsic possession is culturally dependent. The
U.S. Declaration of Independence speaks of the ``inalienable
rights'' of men, but just what those rights are, and even
whether the concept makes sense at all, varies from culture to
culture.
Note that \exref{8.3.5} can also be
expressed without a relative clause:
\begin{example}
le birka be mi cu spofu\n
The arm of-body me is broken
\end{example}
{\noindent}reflecting the fact that the gismu \q{birka} has an $x_2$ place
representing the body to which the arm belongs. Many, but not
all, cases of intrinsic possession can be thus covered without
using \q{po'e} by placing the possessor into the appropriate
place of the description selbri.
Here is an example of \q{po'u}:
\begin{example}
le gerku po'u le mi pendo cu cinba mi\n
The dog which-is my friend kisses me.
\end{example}
\begin{example}
le gerku poi du le mi pendo cu cinba mi\n
The dog which = my friend kisses me.
\end{example}
The cmavo \q{po'u} does not represent possession at all, but
rather identity. (Note that it means \q{poi du} and its form
was chosen to suggest the relationship.)
In \exref{8.3.9}, the use of \q{po'u}
tells us that \q{le gerku} and \q{le mi pendo} represent the
same thing. Consider the contrast between \exref{8.3.9} and:
\begin{example}
le mi pendo po'u le gerku cu cinba mi\n
My friend which-is the dog kisses me.
\end{example}
The facts of the case are the same, but the listener's
knowledge about the situation may not be. In \exref{8.3.9}, the listener is presumed not to
understand which dog is meant by \q{le gerku}, so the speaker
adds a relative phrase clarifying that it is the particular dog
which is the speaker's friend.
\exref{8.3.11}, however, assumes that the
listener does not know which of the speaker's friends is
referred to, and specifies that it is the friend that is the
dog (which dog is taken to be obvious). Here is another example
of the same contrast:
\begin{example}
le tcadu po'u la nu,iork\n
The city of New York \optional{not another city}.
\end{example}
\begin{example}
la nu,iork po'u le tcadu\n
New York the city (not the state or some other New York)
\end{example}
The principle that the possessor and the possessed may change
places applies to all the GOI cmavo, and allows for the
possibility of odd effects:
\begin{example}
le kabri pe le mi pendo cu cmalu\n
The cup associated-with my friend is small.\n
My friend's cup is small
\end{example}
\begin{example}
le mi pendo pe le kabri cu cmalu\n
My friend associated-with the cup is small.\n
My friend, the one with the cup, is small.
\end{example}
\exref{8.3.14} is useful in a context which
is about my friend, and states that his or her cup is small,
whereas \exref{8.3.15} is useful in a
context that is primarily about a certain cup, and makes a
claim about \q{my friend of the cup}, as opposed to some other
friend of mine. Here the cup appears to \q{possess} the person!
English can't even express this relationship with a possessive
--- \q{the cup's friend of mine} looks like nonsense --- but
Lojban has no trouble doing so.
Finally, the cmavo \q{ne} and \q{no'u} stand to \q{pe} and
\q{po'u}, respectively, as \q{noi} does to \q{poi} --- they
provide incidental information:
\begin{example}
le blabi gerku ne mi cu batci do\n
The white dog, incidentally-associated-with me,\n
\T bites you.\n
The white dog, which is mine, bites you.
\end{example}
In \exref{8.3.16}, the white dog is
already fully identified (after all, presumably the listener
know which dog bit him or her!). The fact that it is yours is
merely incidental to the main bridi claim.
Distinguishing between \q{po'u} and \q{no'u} can be a little
tricky. Consider a room with several men in it, one of whom is
named Jim. If you don't know their names, I might say:
\begin{example}
le nanmu no'u la djim. cu terpemci\n
The man, incidentally-who-is Jim, is-a-poet.\n
The man, Jim, is a poet.
\end{example}
Here I am saying that one of the men is a poet, and
incidentally telling you that he is Jim. But if you do know the
names, then
\begin{example}
le nanmu po'u la djim. cu terpemci\n
The man who-is Jim is-a-poet.\n
The man, the one named Jim, is a poet.
\end{example}
{\noindent}is appropriate. Now I am using the fact that the man I am
speaking of is Jim in order to pick out which man I mean.
It is worth mentioning that English sometimes over-specifies
possession from the Lojban point of view (and the point of view
of many other languages, including ones closely related to
English). The idiomatic English sentence
\begin{example}
The man put his hands in his pockets.
\end{example}
{\noindent}seems strange to a French- or German-speaking person: whose
pockets would he put his hands into? and even odder, whose
hands would he put into his pockets? In Lojban, the sentence
\begin{example}
le nanmu cu punji le xanci le daski\n
The man puts the hand at-locus-the pocket.
\end{example}
{\noindent}is very natural. Of course, if the man is in fact putting his
hands into another's pockets, or another's hands into his
pockets, the fact can be specified.
Finally, the elidable terminator for GOI cmavo is \q{ge'u}
of selma'o GEhU; it is almost never required. However, if a
logical connective immediately follows a sumti modified by a
relative phrase, then an explicit \q{ge'u} is needed to allow
the connective to affect the relativized sumti rather than the
sumti of the relative phrase. (What about the cmavo after which
selma'o GOI is named? It is discussed in \chapref{7}, as it is not semantically akin
to the other kinds of relative phrases, although the syntax is
the same.)
\sect{Multiple relative clauses: \q{zi'e}
}
zi'e ZIhE relative clause joiner
Sometimes it is necessary or useful to attach more than one
relative clause to a sumti. This is made possible in Lojban by
the cmavo \q{zi'e} (of selma'o ZIhE), which is used to join one
or more relative clauses together into a single unit, thus
making them apply to the same sumti. For example:
\begin{example}
le gerku poi blabi zi'e poi batci le nanmu cu klama\n
The dog which is white and which bites the man goes.
\end{example}
The most usual translation of \q{zi'e} in English is \q{and},
but \q{zi'e} is not really a logical connective: unlike most of
the true logical connectives (which are explained in \chapref{14}), it cannot be converted into
a logical connection between sentences.
It is perfectly correct to use \q{zi'e} to connect relative
clauses of different kinds:
\begin{example}
le gerku poi blabi zi'e noi\n
\T le mi pendo cu ponse ke'a cu klama\n
The dog that-is( white) and incidentally-such-that(\n
\T my friend owns IT) goes.\n
The dog that is white, which my friend owns,\n
\T is going.
\end{example}
In \exref{8.4.2}, the restrictive clause
\q{poi blabi} specifies which dog is referred to, but the
incidental clause \q{noi le mi pendo cu ponse} is mere
incidental information: the listener is supposed to already
have identified the dog from the \q{poi blabi}. Of course, the
meaning (though not necessarily the emphasis) is the same if
the incidental clause appears first.
It is also possible to connect relative phrases with
\q{zi'e}, or a relative phrase with a relative clause:
\begin{example}
le botpi po mi zi'e poi blanu cu spofu\n
The bottle specific-to me and which-is blue is-broken.\n
My blue bottle is broken.
\end{example}
Note that if the colloquial translation of \exref{8.4.3} were ``My bottle, which is blue,
is broken'', then \q{noi} rather than \q{poi} would have been
correct in the Lojban version, since that version of the
English implies that you do not need to know the bottle is
blue. As written, \exref{8.4.3} suggests that
I probably have more than one bottle, and the one in question
needs to be picked out as the blue one.
\begin{example}
mi ba zutse le stizu pe mi\n
\T zi'e po do zi'e poi xunre\n
I \optional{future} sit-in the chair associated-with me and\n
\T specific-to you and which-is red.\n
I will sit in my chair (really yours), the red one.
\end{example}
\exref{8.4.4} illustrates that more than two
relative phrases or clauses can be connected with \q{zi'e}. It
almost defies colloquial translation because of the very
un-English contrast between \q{pe mi}, implying that the chair
is temporarily connected with me, and \q{po do}, implying that
the chair has a more permanent association with you. (Perhaps I
am a guest in your house, in which case the chair would
naturally be your property.)
Here is another example, mixing a relative phrase and two
relative clauses, a restrictive one and a non-restrictive
one:
\begin{example}
mi ba citka le dembi pe mi\n
\T zi'e poi cpana le mi palta\n
\T zi'e noi do dunda ke'a mi\n
I \optional{future} eat the beans associated-with me\n
\T and which are-upon my plate\n
\T and which-incidentally you gave IT to-me.\n
I'll eat my beans that are on my plate, the ones\n
\T you gave me.
\end{example}
\sect{Non-veridical relative clauses: \q{voi}
}
voi NOI non-veridical relative clause introducer
There is another member of selma'o NOI which serves to
introduce a third kind of relative clause: \q{voi}. Relative
clauses introduced by \q{voi} are restrictive, like those
introduced by \q{poi}. However, there is a fundamental
difference between \q{poi} and \q{voi} relative clauses. A
\q{poi} relative clause is said to be veridical, in the same
sense that a description using \q{lo} or \q{loi} is: it is
essential to the interpretation that the bridi actually be
true. For example:
\begin{example}
le gerku poi blabi cu klama\n
The dog which is-white goes.
\end{example}
{\noindent}it must actually be true that the dog is white, or the sentence
constitutes a miscommunication. If there is a white dog and a
brown dog, and the speaker uses \q{le gerku poi blabi} to refer
to the brown dog, then the listener will not understand
correctly. However,
\begin{example}
le gerku voi blabi cu klama\n
the dog which-I-describe-as white goes
\end{example}
{\noindent}puts the listener on notice that the dog in question may not
actually meet objective standards (whatever they are) for being
white: only the speaker can say exactly what is meant by the
term. In this way, \q{voi} is like \q{le}; the speaker's
intention determines the meaning.
As a result, the following two sentences
\begin{example}
le nanmu cu ninmu\n
That-which-I-describe-as a-man is-a-woman.\n
The \q{guy} is actually a gal.
\end{example}
\begin{example}
ti voi nanmu cu ninmu\n
This-thing which-I-describe-as a-man is-a-woman.
\end{example}
{\noindent}mean essentially the same thing (except that \exref{8.5.5} involves pointing thanks to the
use of \q{ti}, whereas \exref{8.5.4}
doesn't), and neither one is self-contradictory: it is
perfectly all right to describe something as a man (although
perhaps confusing to the listener) even if it actually is a
woman.
\sect{Relative clauses and descriptors}
So far, this chapter has described the various kinds of
relative clauses (including relative phrases). The list is now
complete, and the rest of the chapter will be concerned with
the syntax of sumti that include relative clauses. So far, all
relative clauses have appeared directly after the sumti to
which they are attached. This is the most common position (and
originally the only one), but a variety of other placements are
also possible which produce a variety of semantic effects.
There are actually three places where a relative clause can
be attached to a description sumti: after the descriptor
(\q{le}, \q{lo}, or whatever), after the embedded selbri but
before the elidable terminator (which is \q{ku}), and after the
\q{ku}. The relative clauses attached to descriptors that we
have seen have occupied the second position. Thus \exref{8.5.1}, if written out with all elidable
terminators, would appear as:
\begin{example}
le gerku poi blabi ku'o ku cu klama vau\n
the( dog which( is-white ) ) goes.\n
The dog which is white is going.
\end{example}
Here \q{ku'o} is the terminator paired with \q{poi} and \q{ku}
with \q{le}, and \q{vau} is the terminator of the whole bridi.
When a simple descriptor using \q{le}, like \q{le gerku},
has a relative clause attached, it is purely a matter of style
and emphasis where the relative clause should go. Therefore,
the following examples are all equivalent in meaning to \exref{8.6.1}:
\begin{example}
le poi blabi ku'o gerku cu klama\n
The such-that (it-is-white) dog goes.
\end{example}
\begin{example}
le gerku ku poi blabi cu klama\n
The( dog ) which is-white goes.
\end{example}
\exref{8.6.1} will seem most natural to
speakers of languages like English, which always puts relative
clauses after the noun phrases they are attached to; \exref{8.6.2}, on the other hand, may seem more
natural to Finnish or Chinese speakers, who put the relative
clause first. Note that in \exref{8.6.2}, the
elidable terminator \q{ku'o} must appear, or the selbri of the
relative clause (\q{blabi}) will merge with the selbri of the
description (\q{gerku}), resulting in an ungrammatical
sentence. The purpose of the form appearing in \exref{8.6.3} will be apparent shortly.
As is explained in detail in \chapref{6}, two different numbers (known as the \q{inner quantifier}
and the \q{outer quantifier}) can be attached to a description.
The inner quantifier specifies how many things the descriptor
refers to: it appears between the descriptor and the
description selbri. The outer quantifier appears before the
descriptor, and specifies how many of the things referred to by
the descriptor are involved in this particular bridi. In the
following example,
\begin{example}
re le mu prenu cu klama le zarci\n
Two-of the five persons go to-the market.\n
Two of the five people \optional{that I have in mind}\n
\T are going to the market.
\end{example}
\q{mu} is the inner quantifier and \q{re} is the outer
quantifier. Now what is meant by attaching a relative clause to
the sumti \q{re le mu prenu}? Suppose the relative clause is
\q{poi ninmu} (meaning \q{who are women}). Now the three
possible attachment points discussed previously take on
significance.
\begin{example}
re le poi ninmu ku'o mu prenu\n
\T cu klama le zarci\n
Two of the such-that(\optional{they} are-women )\n
\T five persons go to-the market.\n
Two women out of the five persons go to the market.
\end{example}
\begin{example}
re le mu prenu poi ninmu \optional{ku}\n
\T cu klama le zarci\n
Two of the (five persons which are-women)\n
\T go to-the market.\n
Two of the five women go to the market.
\end{example}
\begin{example}
re le mu prenu ku poi ninmu\n
\T cu klama le zarci\n
(Two of the five persons ) which are-women\n
\T go to-the market.\n
Two women out of the five persons go to the market.
\end{example}
As the parentheses show, \exref{8.6.6} means
that all five of the persons are women, whereas \exref{8.6.7} means that the two who are going
to the market are women. How do we remember which is which? If
the relative clause comes after the explicit \q{ku}, as in \exref{8.6.7}, then the sumti as a whole is
qualified by the relative clause. If there is no \q{ku}, or if
the relative clause comes before an explicit \q{ku}, then the
relative clause is understood to apply to everything which the
underlying selbri applies to.
What about \exref{8.6.5}? By convention,
it means the same as \exref{8.6.7}, and it
requires no \q{ku}, but it does typically require a \q{ku'o}
instead. Note that the relative clause comes before the inner
quantifier.
When \q{le} is the descriptor being used, and the sumti has
no explicit outer quantifier, then the outer quantifier is
understood to be \q{ro} (meaning \q{all}), as is explained in
\chapref{6}. Thus \q{le gerku} is taken
to mean \q{all of the things I refer to as dogs}, possibly all
one of them. In that case, there is no difference between a
relative clause after the \q{ku} or before it. However, if the
descriptor is \q{lo}, the difference is quite important:
\begin{example}
lo prenu ku noi blabi\n
\T cu klama le zarci\n
(Some persons) incidentally-which are-white\n
\T go to-the market.\n
Some people, who are white, go to the market.
\end{example}
\begin{example}
lo prenu noi blabi \optional{ku}\n
\T cu klama le zarci\n
Some (persons incidentally-which are-white)\n
\T go to-the market.\n
Some of the people, who by the way are white,\n
\T go to the market.
\end{example}
Both \exref{8.6.8} and hyperref[ex:8:6:9]{6.9} tell us that one or more persons are going
to the market. However, they make very different incidental
claims. Now, what does \q{lo prenu noi blabi} mean? Well, the
default inner quantifier is \q{ro} (meaning \q{all}), and the
default outer quantifier is \q{su'o} (meaning ``at least
one''). Therefore, we must first take all persons, then choose
at least one of them. That one or more people will be
going.
In \exref{8.6.8}, the relative clause
described the sumti once the outer quantifier was applied: one
or more people, who are white, are going. But in \exref{8.6.9}, the relative clause actually
describes the sumti before the outer quantification is applied,
so that it ends up meaning ``First take all persons --- by the
way, they're all white''. But not all people are white, so the
incidental claim being made here is false.
The safe strategy, therefore, is to always use \q{ku} when
attaching a \q{noi} relative clause to a \q{lo} descriptor.
Otherwise we may end up claiming far too much.
When the descriptor is \q{la}, indicating that what follows
is a selbri used for naming, then the positioning of relative
clauses has a different significance. A relative clause inside
the \q{ku}, whether before or after the selbri, is reckoned
part of the name; a relative clause outside the \q{ku} is not.
Therefore,
\begin{example}
mi viska la nanmu poi terpa le ke'a xirma \optional{ku}\n
I see that-named( \q{man which fears the of-IT horse} ).\n
I see Man Afraid Of His Horse.
\end{example}
{\noindent}says that the speaker sees a person with a particular name, who
does not necessarily fear any horses, whereas
\begin{example}
mi viska la nanmu ku poi terpa le ke'a xirma.\n
I see that-named( \q{Man} ) which fears the of-IT horse.\n
I see the person named \q{Man} who is afraid of his horse.
\end{example}
{\noindent}refers to one (or more) of those named \q{Man}, namely the
one(s) who are afraid of their horses.
Finally, so-called indefinite sumti like \q{re karce}, which
means almost the same as \q{re lo karce} (which in turn means
the same as \q{re lo ro karce}), can have relative clauses
attached; these are taken to be of the outside-the-\q{ku}
variety. Here is an example:
\begin{example}
mi ponse re karce \optional{ku} poi xekri\n
I possess two cars which-are black.
\end{example}
The restrictive relative clause only affects the two cars being
affected by the main bridi, not all cars that exist. It is
ungrammatical to try to place a relative clause within an
indefinite sumti (that is, before an explicitly expressed
terminating \q{ku}.) Use an explicit \q{lo} instead.
\sect{Possessive sumti}
In \exref{8.2.4} through hyperref[ex:8:2:6]{2.6}, the sumti \q{le mi karce} appears,
glossed as \q{my car}. Although it might not seem so, this
sumti actually contains a relative phrase. When a sumti appears
between a descriptor and its description selbri, it is actually
a \q{pe} relative phrase. So
\begin{example}
le mi karce cu xunre\n
my car is-red.
\end{example}
{\noindent}and
\begin{example}
le pe mi karce cu xunre\n
the (associated-with me) car is-red.
\end{example}
{\noindent}mean exactly the same thing. Furthermore, since there are no
special considerations of quantifiers here,
\begin{example}
le karce pe mi cu xunre\n
The car associated-with me is-red
\end{example}
{\noindent}means the same thing as well. A sumti like the one in \exref{8.7.1} is called a \q{possessive sumti}.
Of course, it does not really indicate possession in the sense
of ownership, but like \q{pe} relative phrases, indicates only
weak association; you can say \q{le mi karce} even if you've
only borrowed it for the night. (In English, \q{my car} usually
means \q{le karce po mi}, but we do not have the same sense of
possession in \q{my seat on the bus}; Lojban simply makes the
weaker sense the standard one.) The inner sumti, \q{mi} in \exref{8.7.1}, is correspondingly called the
\q{possessor sumti}.
Historically, possessive sumti existed before any other kind
of relative phrase or clause, and were retained when the
machinery of relative phrases and clauses as detailed in this
chapter so far was slowly built up. When preposed relative
clauses of the \exref{8.7.2} type were
devised, possessive sumti were most easily viewed as a special
case of them.
Although any sumti, however complex, can appear in a
full-fledged relative phrase, only simple sumti can appear as
possessor sumti, without a \q{pe}. Roughly speaking, the legal
possessor sumti are: pro-sumti, quotations, names and
descriptions, and numbers. In addition, the possessor sumti may
not be preceded by a quantifier, as such a form would be
interpreted as the unusual \q{descriptor + quantifier + sumti}
type of description. All these sumti forms are explained in
full in \chapref{6}.
Here is an example of a description used in a possessive
sumti:
\begin{example}
le le nanmu ku karce cu blanu\n
The (associated-with-the man) car is blue.\n
The man's car is blue.
Note the explicit \q{ku} at the end of the possessor sumti,
which prevents the selbri of the possessor sumti from merging
with the selbri of the main description sumti. Because of the
need for this \q{ku}, the most common kind of possessor sumti
are pro-sumti, especially personal pro-sumti, which require no
elidable terminator. Descriptions are more likely to be attached
with relative phrases.
\end{example}
And here is a number used as a possessor sumti:
\begin{example}
le li mu jdice se bende\n
The of-the-number-five judging team-member\n
Juror number 5
\end{example}
{\noindent}which is not quite the same as \q{the fifth juror}; it simply
indicates a weak association between the particular juror and
the number 5.
A possessive sumti may also have regular relative clauses
attached to it. This would need no comment if it were not for
the following special rule: a relative clause immediately
following the possessor sumti is understood to affect the
possessor sumti, not the possessive. For example:
\begin{example}
le mi noi sipna vau karce\n
\T cu na klama\n
The of-me incidentally-which( is-sleeping ) car\n
\T isn't going.
\end{example}
{\noindent}means that my car isn't going; the incidental claim of ``noi
sipna'' applies to me, not my car, however. If I wanted to say
that the car is sleeping (whatever that might mean) I would
need:
\begin{example}
le mi karce poi sipna cu na klama\n
The of-me car which sleeps isn't going.
\end{example}
Note that \exref{8.7.6} uses \q{vau} rather
than \q{ku'o} at the end of the relative clause: this
terminator ends every simple bridi and is almost always
elidable; in this case, though, it is a syllable shorter than
the equally valid alternative, \q{ku'o}.
\sect{Relative clauses and complex sumti: \q{vu'o}
}
vu'o VUhO relative clause attacher
Normally, relative clauses attach only to simple sumti or
parts of sumti: pro-sumti, names and descriptions, pure
numbers, and quotations. An example of a relative clause
attached to a pure number is:
\begin{example}
li pai noi na'e\n
\T frinu namcu\n
The-number pi, incidentally-which\n
\T is-a-non- fraction number\n
The irrational number pi
\end{example}
And here is an incidental relative clause attached to a
quotation:
\begin{example}
lu mi klama le zarci li'u\n
\T noi mi cusku ke'a cu jufra\n
\optional{quote} I go to-the market [unquote]\n
\T incidentally-which( I express IT) is-a-sentence.\n
\q{I'm going to the market}, which I'd said, is a sentence.
\end{example}
{\noindent}which may serve to identify the author of the quotation or some
other relevant, but subsidiary, fact about it. All such
relative clauses appear only after the simple sumti, never
before it.
In addition, sumti with attached sumti qualifiers of selma'o
LAhE or NAhE+BO (which are explained in detail in \chapref{6}) can have a relative clause
appearing after the qualifier and before the qualified sumti,
as in:
\begin{example}
la'e poi tolcitno vau\n
\T lu le xunre cmaxirma li'u\n
\T cu zvati le vu kumfa\n
A-referent-of (which is-old)\n
\T \optional{quote} The Red Small-horse [unquote]\n
\T is-at the [far distance] room.\n
An old \q{The Red Pony} is in the far room.
\end{example}
\exref{8.8.3} is a bit complex, and may need
some picking apart. The quotation \q{lu le xunre cmaxirma li'u}
means the string of words \q{The Red Pony}. If the \q{la'e} at
the beginning of the sentence were omitted, \exref{8.8.3} would claim that a certain string
of words is in a room distant from the speaker. But obviously a
string of words can't be in a room! The effect of the \q{la'e}
is to modify the sumti so that it refers not to the words
themselves, but to the referent of those words, a novel by John
Steinbeck (presumably in Lojban translation). The particular
copy of \q{The Red Pony} is identified by the restrictive
relative clause. \exref{8.8.3} means exactly
the same as:
\begin{example}
la'e lu le xunre cmaxirma li'u lu'u\n
\T poi to'ercitno cu zvati le vu kumfa\n
A-referent-of (\optional{quote} The Red Small-horse [unquote])\n
\T which is-old is-at the [far distance] room.
\end{example}
{\noindent}and the two sentences can be considered stylistic variants.
Note the required \q{lu'u} terminator, which prevents the
relative clause from attaching to the quotation itself: we do
not wish to refer to an old quotation!
Sometimes, however, it is important to make a relative
clause apply to the whole of a more complex sumti, one which
involves logical or non-logical connection (explained in \chapref{14}). For example,
\begin{example}
la frank. .e la djordj. noi nanmu\n
\T cu klama le zdani\n
Frank and George incidentally-who is-a-man\n
\T go to-the house.\n
Frank and George, who is a man, go to the house.
\end{example}
The incidental claim in \exref{8.8.5} is
not that Frank and George are men, but only that George is a
man, because the incidental relative clause attaches only to
\q{la djordj}, the immediately preceding simple sumti.
To make a relative clause attach to both parts of the
logically connected sumti in \exref{8.8.5}, a
new cmavo is needed, \q{vu'o} (of selma'o VUhO). It is placed
between the sumti and the relative clause, and extends the
sphere of influence of that relative clause to the entire
preceding sumti, including however many logical or non-logical
connectives there may be.
\begin{example}
la frank. .e la djordj. vu'o noi nanmu\n
\T cu klama le zdani\n
Frank and George incidentally-who are-men\n
\T go to-the house.\n
Frank and George, who are men, go to the house.
\end{example}
The presence of \q{vu'o} here means that the relative clause
\q{noi nanmu} extends to the entire logically connected sumti
\q{la frank. .e la djordj.}; in other words, both Frank and
George are claimed to be men, as the colloquial translation
shows.
English is able to resolve the distinction correctly in the
case of \exref{8.8.5} and \exref{8.8.6} by making use of number: ``who
is'' rather than \q{who are}. Lojban doesn't distinguish
between singular and plural verbs: \q{nanmu} can mean ``is a
man'' or \q{are men}, so another means is required.
Furthermore, Lojban's mechanism works correctly in general: if
\q{nanmu} (meaning \q{is-a-man}) were replaced with ``pu
bajra'' (\q{ran}), English would have to make the distinction
some other way:
\begin{example}
la frank. .e la djordj. noi pu bajra\n
\T cu klama le zdani\n
Frank and (George who \optional{past} runs)\n
\T go to-the house.\n
Frank and George, who ran, go to the house.
\end{example}
\begin{example}
la frank. .e la djordj. vu'o noi pu bajra\n
\T cu klama le zdani\n
(Frank and George) who \optional{past} runs\n
\T go to-the house.\n
Frank and George, who ran, go to the house.
\end{example}
In spoken English, tone of voice would serve; in written
English, one or both sentences would need rewriting.
\sect{Relative clauses in vocative phrases}
Vocative phrases are explained in more detail in \chapref{6}. Briefly, they are a method of
indicating who a sentence or discourse is addressed to: of
identifying the intended listener. They take three general
forms, all beginning with cmavo from selma'o COI or DOI (called
\q{vocative words}; there can be one or many), followed by
either a name, a selbri, or a sumti. Here are three
examples:
\begin{example}
coi. frank.\n
Hello, Frank.
\end{example}
\begin{example}
co'o xirma\n
Goodbye, horse.
\end{example}
\begin{example}
fi'i la frank. .e la djordj.\n
Welcome, Frank and George!
\end{example}
Note that \exref{8.9.2} says farewell to
something which doesn't really have to be a horse, something
that the speaker simply thinks of as being a horse, or even
might be something (a person, for example) who is named
\q{Horse}. In a sense, \exref{8.9.2} is
ambiguous between \q{co'o le xirma} and \q{co'o la xirma}, a
relatively safe semantic ambiguity, since names are ambiguous
in general: saying \q{George} doesn't distinguish between the
possible Georges.
Similarly, \exref{8.9.1} can be thought of
as an abbreviation of:
\begin{example}
coi la frank.\n
Hello, the-one-named \q{Frank}.
\end{example}
Syntactically, vocative phrases are a kind of free modifier,
and can appear in many places in Lojban text, generally at the
beginning or end of some complete construct; or, as in \exref{8.9.1} to hyperref\optional{ex:8:9:3}{9.3}, as
sentences by themselves.
As can be seen, the form of vocative phrases is similar to
that of sumti, and as you might expect, vocative phrases allow
relative clauses in various places. In vocative phrases which
are simple names (after the vocative words), any relative
clauses must come just after the names:
\begin{example}
coi. frank. poi xunre se bende\n
Hello, Frank who is-a-red team-member\n
Hello, Frank from the Red Team!
\end{example}
The restrictive relative clause in \exref{8.9.5} suggests that there is some other Frank (perhaps on the
Green Team) from whom this Frank, the one the speaker is
greeting, must be distinguished.
A vocative phrase containing a selbri can have relative
clauses either before or after the selbri; both forms have the
same meaning. Here are some examples:
\begin{example}
co'o poi mi zvati ke'a ku'o xirma\n
Goodbye, such-that( I am-at IT ) horse\n
Goodbye, horse where I am!
\end{example}
\begin{example}
co'o xirma poi mi zvati\n
Goodbye, horse such-that( I am-at-it).
\end{example}
\exref{8.9.6} and \exref{8.9.7} mean the same thing. In fact, relative clauses can
appear in both places.
\sect{Relative clauses within relative clauses}
For the most part, these are straightforward and
uncomplicated: a sumti that is part of a relative clause bridi
may itself be modified by a relative clause:
\begin{example}
le prenu poi zvati le kumfa poi blanu cu masno\n
The person who is-in the room which is-blue is-slow.
\end{example}
However, an ambiguity can exist if \q{ke'a} is used in a
relative clause within a relative clause: does it refer to the
outermost sumti, or to the sumti within the outer relative
clause to which the inner relative clause is attached? The
latter. To refer to the former, use a subscript on \q{ke'a}:
\begin{example}
le prenu poi zvati le kumfa\n
\T poi ke'axire zbasu ke'a cu masno\n
The person who is-in the room\n
\T which IT-sub-2 built IT is-slow.\n
The person who is in the room which he built is slow.
\end{example}
Here, the meaning of \q{IT-sub-2} is that sumti attached to the
second relative clause, counting from the innermost, is used.
Therefore, \q{ke'axipa} (IT-sub-1) means the same as plain
\q{ke'a}.
Alternatively, you can use a prenex (explained in full in \chapref{16}), which is syntactically a
series of sumti followed by the special cmavo \q{zo'u},
prefixed to the relative clause bridi:
\begin{example}
le prenu poi ke'a goi ko'a zo'u ko'a zvati le kumfa\n
\T poi ke'a goi ko'e zo'u ko'a zbasu ke'a cu masno\n
The man who (IT = it1 : it1 is-in the room\n
\T which (IT = it2 : it1 built it2) is-slow.
\end{example}
\exref{8.10.3} is more verbose than \exref{8.10.2}, but may be clearer, since it
explicitly spells out the two \q{ke'a} cmavo, each on its own
level, and assigns them to the assignable cmavo \q{ko'a} and
\q{ko'e} (explained in Chapter ).
\sect{Index of relative clause cmavo}
Relative clause introducers (selma'o NOI):
noi incidental clauses
poi restrictive clauses
voi restrictive clauses (non-veridical)
Relative phrase introducers (selma'o GOI):
goi pro-sumti assignment
pe restrictive association
ne incidental association
po extrinsic (alienable) possession
po'e intrinsic (inalienable) possession
po'u restrictive identification
no'u incidental identification
Relativizing pro-sumti (selma'o KOhA):
ke'a pro-sumti for relativized sumti
Relative clause joiner (selma'o ZIhE)
zi'e joins relative clauses applying to
a single sumti
Relative clause associator (selma'o VUhO)
vu'o causes relative clauses to apply to
all of a complex sumti
Elidable terminators (each its own selma'o)
ku'o relative clause elidable terminator
ge'u relative phrase elidable terminator
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