-
句子语义学
词和词之间有各种各样的意义关系,我们称之为
sense r
elation
。
句子也一样,
可以有
各种意义关系。
句子语义学是在句子层面对意义
进行研究,并把
句子当成一个整体来看待。
◆
Presupposition<
/p>
前提
/
预设,这一概念是由哲学家弗雷格
(
)首先提
出来的。在言语交际中,我
们所说的一句句话并不是孤立的,相互之间毫无
联系的。相反前一句话和后一句话往往有
密切的联系。
Please open
the door.
这句话的意思很清楚,<
/p>
就是
“请把们打开”
,
< br>但是说这句话必须有一个前
提,那就是“现在要开的门再说话时是关着的”
。
所以从语义的角度来看,
句子所包含的
“前提”
和这个句子本身的意义有十
p>
份密切的关系
句子的前提有这样的特点:
否定了句子本身,句子的前提保留不变。
John is
married.
John exists.
John is not married.
◆
Semantic
presupposition and pragmatic presupposition
语义预设是对语句之间关系所做的逻辑分析,他面对的是一种不变的关
系:即
如果
P
在语义上预设
Q,
则
P
总是在语义上预设
Q
。
但在实际的语言活动中
(语用预设)
,
预设通常不是语义中稳定的不受约
束的部分。这也正是有些语言学家认为预设属于语用学而不属于语义学的主
要原因。一个重要的事实是,在一定的语境里,预设会消失,也就是说预设
具
有可消失性
(defeasibility)
。例如:
Sue cried before she finished
her thesis.
Sue died before she
finished her thesis.
◆
What is
Semantic Presupposition?
In
many
discussions
of
the
concept,
presupposition
is
treated
as
a
relationship
between two
propositions by the linguists. If we say the
sentence in (1a.) contains the
proposition
p
and
the sentence in (1b.) contains the proposition
q,
then,
using
>>
to
mean
p>
?
presupposes
?
, we can represent the relationship as in
(1c.).
(1)
a.
Mary
?
s dog is cute.
(
=
p
)
b. Mary has a dog.
(=
q
)
c. p
>>
q
Interestingly, when we produce the
opposite of the sentence in (1a.) by negating
it
(=
NOT
p),
as
in
(2a.),
we
find
that
the
relationship
of
presupposition
does
not
change. That is, the
same proposition q, repeated as (2b.), continues
to be presupposed
by NOT p, as shown in
(2c.).
(2)
a. Mary
?
s dog
isn
?
t cute.
(
=
NOT
p
)
b. Mary has a
dog.
(=
q
)
c. NOT
p
>>
q
Presupposition is an
inference
(推论)
to the
proposition of the sentence. Take the
following sentences for example again:
e.g.
(3) John is
married.
(4) John
exists.
(5) John is not
married.
Comment: if (3) is true, (4)
is true; if (3) is not true, (4) is still true. In
this case,
we can say both (3) and (5)
presuppose (4). A presupposition is something the
speaker
assumes
to
be
the
case
prior
to
making
an
utterance.
Speakers,
not
sentences,
have
presuppositions.
An
entailment
is
something
that
logically
follows
from
what
is
asserted in the utterance. Sentences,
not speakers, have entailments.
◆
Semantic presupposition
would be based on the following definition:
Sentence A semantically presupposes
another sentence B iff
:
if
and only if, iff
是充分必要条件
(a) in all situations where A is true,
B is true
(b) in all situations where A
is false, B is true
◆
Types of
presupposition
Potential presupposition: in the
analysis of how speakers? assumptions are
typically
expressed, presupposition has
been associated with the use of a large number of
words,
phrases,
and
structures.
These
linguistic
forms
shall
be
considered
as
indicators
of
potential presuppositions, which can
only become actual presuppositions in contexts
with
speakers.
The
following
kinds
of
presuppositions
are
all
potential
presuppositions.
Now
we
?
ll
look
at
the
major
presupposition
types
marked
by
different linguistic features.
◆
Existential presupposition:
presuppose the existence of something.(my). It is
not
only
assumed
to
be
present
in
possessive
constructions,
but
more
generally
in
any
definite descriptions
such as definite noun phrase with determines
?
the
?
,
?
this
?
,
?
that
?
,
?
these
?
,
?
those
?
, etc. By using any of the expressions in
(16), the speaker is assumed to
be
committed to the existence of the entities named.
(16) e.g. The king of Sweden, the cat,
the girl next door (Yule, 2004: 27)
◆
Factive
presupposition:
presuppose
something
as
a
fact.(know).
A
number
of
factive
verbs,
such
as
p>
?
realize
?
in
(17a)
and
?
regret
?
in
(17b),
as
well
as
phrases
involving
?
be
?
with
?
aware
?
in (17c),
?
odd
?
in (17d), and
?
glad
?
in (17e) have factive
presuppositions.
(17) a. She
didn
?
t realize he was ill.
(
>>
He was ill)
b. We regret telling him.
(
>>
We told him)
c. I wasn
?
t aware
that she was married.
(
>>
She was
married)
d. It
isn?t
odd that he left
early.
(
>>
He left early)
e. I
?
m glad that
it
?
s over.
(
p>
>>
It
?
s
over)
The presupposed
information following the verb
?know?
can be treated as a fac
t,
and is described as a factive
presupposition. Words like know, realize, regret
as well
as phrases involving ?be? with
?aware?, ?odd?, and ?glad? have factive
presuppositions.
(Yule, 2004: 27-28)
◆
Lexical
presupposition:
when
a
specific
word
triggers
a
presupposition.
It
is
featured
by
implicative
verbs
like
?
manage
?
,
?
start
p>
?
,
?
stop
?
,
?
fo
rget
?
,
etc.
Generally
speaking, in
lexical presupposition, the use of one form with
its asserted meaning is
conventionally
interpreted
with
the
presupposition
that
another
(non-asserted)
meaning is
understood.
Each
time
you
say
that
someone
?
managed<
/p>
?
to
do
something,
the
asserted
meaning
is
that
the
person
succeeded
in
some
way.
When
you
say
that
someone
?
didn
?
t
manage
?
, the asserted
meaning is that the person did not succeed. In
both cases,
however,
there
is
a
presupposition
(non-
asserted)
that
the
person
?
tried
?
to
do
that
something. So,
< br>?
managed
?
is
conventionally interpreted as asserting
?
succeeded
?
and
presupposing
?
tri
ed
?
.
(18) a. He stopped smoking.
(
>>
He used to
smoke)
b. They started complaining.
(
>>
They
weren
?
t complaining before)
c. You
?
re late
again.
(
>>
You were late
before)
Lexical presupposition: in
lexical presupposition, the use of one form with
its
asserted
meaning
is
conventionally
interpreted
with
the
presupposition
that
another(non-asserted)
meaning is understood. For example, someone
?managed? to do
something,
the
asserted
meaning
is
that
the
person
succeeded
in
some
way.
Someone
?didn?t manage?;
the asserted meaning
is that the person did not succeed. In
both cases, there is a presupposition
(non-
asserted) that the person ?tried?
to do that
something.
So
?managed?
is
conventionally
interpreted
as
asserting
?succeeded?
and
presupposing ?tried?. Other examples,
involving the lexical items, are ?stop?, ?start?,
and ?again?. (Yule, 2004:
28)
◆
Structural
presupposition: certain sentence structures
presuppose something to be
true.(wh-
questions).
We
might
say
that
speakers
can
use
such
structures
to
treat
information as
presupposed (i.e. assumed to be true) and hence to
be accepted as true
by the listener.
For example, the wh-question
construction in English, as shown in (19a) and
(19b),
is
conventionally
interpreted
with
the
presupposition
that
the
information
after
the
wh-form is already known
to be the case.
a. When did
he leave?
(
>>
He left)
b. Where did you buy the bike?
(
>>
You bought the
bike)
Certain sentence structures have been
analyzed as conventionally and regularly
presupposing that part of the structure
is
already assumed to
be
true. We might
say
that
speakers can use such structures to treat
information as presupposed (i.e. assumed
to be true) and hence to be accepted as
true by listener. For example, the wh-question
construction in English is
conventionally interpreted as that the information
after the
wh-form
is
already
known
to
be
the
case.
Such
structurally-based
presuppositions
may
represent subtle ways of making information that
the speaker believes appear to
be what
the listener should believe.(wh-questions)
◆
Non-factive
presupposition: It is one that is assumed not to
be true. Verbs like
?
dream
p>
?
,
?
imag
ine
?
, and
?
pretend
?
, as shown in
(20), are used with the presupposition
that what follows is not true.
(20). a. I dreamed that I was rich.
(
>>
I
was not rich)
b. We imagined we were in
New York.
(
>>
we were not in
New York)
He pretends to be ill.
(
>>
He is not ill)
◆
Counter-
factural presupposition: What is presupposed is
not only not true, but is
the opposite
of what is true, or
?
contrary to
facts
?
.
(Conditional structure)
A
conditional
structure
of
the
type
shown
in
(21),
generally
called
a
counterfactual conditional, presupposes
that the information in the if-clause is not true
at the time of utterance.
(21). If you were my friend, you would
have helped me.
(
>>
you are not my
friend)
Summary:
Type
existential
factive
non-factive
lexical
structural
counterfactural
◆
The properties
of presuppositions
★
Cancel ability
/ Defeasibility
:
Levinson(1983:186)
states
that
they
can
be
cancelled
out
by
either
the
immediate linguistic
context
or by some
wider
context
or mode of
discourse.
If we
say
?
The committee failed to
reach a decision
?
, it
presupposes that they tried, but we
can
cancel out that presupposition if we add
?
because they
didn
?
t even get round to
discussing it
?
.
Similarly, we can argue presupposition out of the
way by a variant on
the
reductio
ad
absurdum
(the
disproof
of
a
proposition
by
showing
that
its
conclusion can only be absurd) mode of
discourse:
?
He
didn
?
t do it, and she
didn
?
t do
it
…
In fact,
nobody did it
?.
They are defensible in (a) certain
discourse contexts, (b)
certain intra-
sentential context. This property will prove to be
the undoing(doing away
with) of any
possible semantic theory of presupposition. They
are defeasible in certain
intra-
sentential contexts and certain discourse context,
for example,
(1) Sue cried
before
she finished her
thesis.
(2) Sue finished her thesis.
(3)Sue died
before
she finished her thesis.
In
Sentence(3)
the
presupposition
seems
to
drop
out,
since
we
generally
hold
that
people do not do things
after they die, it follows that she could not have
finished her
thesis.
They
are
liable
to
evaporate
in
certain
contexts,
either
immediate
linguistic
context or the
less immediate discourse context, or on
circumstances where contrary
assumptions are made.(Levinson,2001,
p187)
Another kind of contextual
defeasibility arises in certain kinds of discourse
contexts.
For example, the cleft
sentence 1 is supposed to presuppose 2:
1. It isn?t Luke who will betray
you.
2. Someone will betray
you.
You say that someon
e in
this room will betray you. Well maybe so. But it
won?t be
Luke
who
will
betray
you,
it
won?t
be
Paul,
it
won?t
be
Matthew,
and
it
certainly
won?t be John. Therefore no one in this
room is actually going to betray you
Example
the X
I
regret leaving
He pretended to go
He
managed to escape
When did she die?
If I weren
?
t ill,
Presupposition
>>
X exists
>>
I left
>>
He didn
?
t go
>>
He tried to
escape
>>
She
died
>>
I am ill
Here
each
of
the
cleft
sentence(It
won?t
be
Luke,
etc.)should
presuppose
that
there
will
be
someone
who
will
betray
the
addressee.
But
the
whole
purpose
of
the
utterance
1
is,
of
course,
to
persuade
the
addressee
that
no
one
will
betray
him,
as
stated in
the conclusion. So the presupposition is again
defeated; it was adopted as a
counterfactual
assumption
to
argue
to
the
untenability
(
站不住脚
)
of
such
an
assumption.
So far we have
shown that some of the core examples of
presuppositional phenomena are subject to
presupposition
cancellation in certain
kinds of context, namely:
(i)
Where it is
common knowledge that the presupposition is false,
the speaker is not assumed to be committed
to the truth of the presupposition
(ii) Where what is said, taken together
with background assumptions, is inconsistent with
what is presupposed,
the
presuppositions are cancelled, and are not assumed
to be held by the speaker
(iii) In
certain kinds of discourse contexts,
presuppositions can systematically fail to
survive.
3.4.2 Presuppositions are
apparently tied to particular aspects of surface
structure
. This property may serve
to distinguish presupposition from
conversational implicatures (which are tied to the
context rather than the surface
structure.), the other major form of
pragmatic inference.( Levinson, S. C. 2001)
There are no
doubt many other kinds of contextual defeasibility
as well, but these examples are sufficient to
establish that presuppositions are
defeasible by virtue of contrary
beliefs held in a context. There are
also many
kinds of intra-sentential
cancellation of suspension of
presuppositions.(Levinson, 190)
3.4.3 Projection in
presupposition
There is a basic
expectation that the presupposition of a simple
sentence will
continue to be true when
that simple sentence becomes part of a more
complex sentence. This is one version of the
general idea that the meaning of the
whole sentence is a combination of the meaning of
its parts. However, the
meaning of some
presuppositions (as
?
parts
p>
?
) does not survive to become
the meaning of some complex sentences
(as
?
wholes
?
).
This
is
known
as
the
projection
problem
.
(Yule,
2004:
P
30-33
)
Another
explanation
given
by
Levinson
(Levinson,
1983:
191)
is
that
Frege
held
that
meanings
of
sentences
are
compositional,
i.e.
that
the
meaning
of
the
whole
expression
is
a
function
of
the
meaning
of
the
parts.
It
was
originally
suggested
by
Langendoen & Savin (1971)
that this was true of presuppositions too, and
moreover that the set of presupposition
of
the
complex
whole
is
the
simple
sum
of
the
presuppositions
of
the
parts,
i.e.
if
S
0
is
a
complex
sentence
containing
sentences
S
1,
S
2
…
S
n
as
constituents,
then
the
presuppositions of
S
0
=
the
presuppositions
of
S
1
+
the
presuppositions of S
2
…
+ the presuppositions of
S
n
.
But such a simple solution to the
presuppositions of complex
sentences is
far from correct, and it has proved in fact
extremely difficult to formulate a theory that
will predict
correctly which
presuppositions of component clauses will in fact
be inherited/maintained by the complex whole.
This compositional problem is known as
the
projection problem
for
presuppositions, and the particular behaviour
of
presuppositions
in
complex
sentences
turns
out
to
be
the
really
distinctive
characteristic
of
presuppositions.
(The
Chinese
version
may
be
a
little
easier
to
understand:
详见
索振羽
,
《语用学教程》
2000.
北京大学出版社
P
13
6-140
)
◆
Presupposition
triggers:
Some of the kinds of words
and structures that seem to trigger
presuppositions.
Definite
noun
phrase/definite
descriptions:
words
like
the,
this,
that,
these,
those
and
possessives
like
my,
Mary’
s,
your,
prepositional
phrase
like
with
(two
heads)
,
in
,
etc.
trigger
the
basic
kind
of
presupposition.
The
possessives lead to a particularly
strong presupposition about the existence of
something; this is sometimes called
existential presupposition.
(Peccei, p20)
John
saw/didn
?
t see the man with
two heads.
》
there exists a
man with two heads
WH-words
like
when, why, how, etc
.
used either to ask questions or to
introduce a subordinate clause to trigger
the presupposition that the speaker has
assumed “the person in question did something” is
true. (Peccei, p 21
)
Mr.
Givens,
why
is it important
for people to understand body language---that is,
communication by
means of
movements and gestures?
Where
do we get mannerisms
such as these?
Verbs that can trigger
presuppositions: implicative verbs, factive verbs,
change of state verbs and verbs of
judging.
1) Implicative
verbs
(
含蓄动词)
:
manage, forget, happen, avoid etc. triggers the
presupposition that some actions
were
conducted(manage), not expected(happen), or should
have been conducted(forget).
John
managed
/didn?t
manage
to open the door
》
John tried to open the door
John forg
ot /didn?t forget
to lock the door
》
John ought to have locked,
or intended to lock, the door
some
further
implicative
predicates:
X
happened
to
V
》
X
didn?t
plan
or
intend
to
V;
X
avoid
Ving
》
X
was
expected to, or usually did, or ought
to V
2) factive verbs(
述实动词
p>
/
事实动词
a verb
followed by a clause which the speaker or writer
considers to express
a
fact
:
know, realize, regret,
deplore
(谴责)
, I am aware, it
is strange, it is odd that, be sorry that, be
proud that,
be indifferent
that,
be glad that, be sad
that, etc. triggers the presupposition that what
follows is a fact
。
(Peccei,
p22)
Martha regrets /doesn?t
regret
drinking
John?s home brew
)
Martha drank John?s home
brew
It was
odd
/it was not
odd
how proud he was.
》
he was proud
3)
change of state
verbs
(
状态变化动词)
:
stop, continue, keep, arrive, begin, come, enter,
transform, turn, finish,
carry on, cease, leave, enter, go, etc.
trigger the presupposition that the action was (A)
going on before, (B) not
going on
before.
John stopped /didn?t stop
beating his wife
》
John had been beating his
wife
4) verbs of
judging
(评价动词)
:
accuse, charge, criticize, repudiate/criticize,
rs the presupposition that
what follows is the judgement or
comments made by the subject on the topic or
people in question. This kind of
implication is, arguably, not really
presuppositional at all; for, unlike other
presuppositions, the implications are
not attributed to the speaker, so much
as to the subject of the verb of judging.
Ian
criticized
/
didn?t
criticize
Agatha for
running away
》
(Ian
thinks)Agatha ran away
The police
charged
John with reckless
driving.
》
John drove recklessly.
5) Verbs like pretend, imagine,
dream
,etc. triggers the
resupposition that what follows is
fiction.
Iteratives: again,
anymore, return, another time, to come back,
restore, repeat,
for the
-nth time
Carter
returned
/didn?t
r
eturn
to power