U N I T 2 6
Conversational implicature
323
(3) A:
‘Do you use your local swimming pool very much?’
B:
..................................................................................................................
Implicature: B’s local swimming pool has salt water.
(4) A:
‘How much do I owe you now?’
B:
..................................................................................................................
Implicature: A’s debts to B are large and complicated to work out.
Feedback
Some possible replies from B are: (1) ‘I’m a vegetarian’ (2) ‘I’ll
bring a
large friend with me, in that case’ or ‘You like to live dangerously’
(3) ‘The salt water hurts my eyes’ (4) ‘I’ll have to get my calculator’
Comment Finally in this unit, we mention the possibility of the explicit cancellation of
implicatures.
Definition An implicature of one part of an utterance is said to be CANCELLED when
another part of the utterance or a following utterance explicitly contradicts it.
Example In the utterance ‘I tried to buy salt, and in fact I succeeded’, the implicature
(from the
first half of the utterance) that the speaker
did not in fact buy salt
is explicitly cancelled by the assertion in the second half of the utterance.
Practice (1) Would the utterance ‘Some of my friends are linguists’
normally have as an implicature the proposition that not all
of the speaker’s friends are linguists?
Yes / No
(2) Would this implicature be cancelled if the utterance
continued ‘. . . in fact, all of my friends are linguists’?
Yes / No
(3) Is the sentence
Some,
in fact all,
of my friends are linguists
actually a contradiction, i.e. necessarily false?
Yes / No
(4) If a teacher said ‘The students
who answered questions in
section A have passed the test’, might a reasonable implicature
be that students who did not answer questions in section A
have not passed the test?
Yes / No
(5) Suggest a continuation of the teacher’s utterance cancelling this
implicature.
..........................................................................................................................
(6) Is the sentence
The students who answered questions in section
A have passed the test, just as the students who did not answer
those questions have a contradiction?
Yes / No
Feedback
(1) Yes (2) Yes (3) No (4) Yes (5) ‘. . . in fact everyone passed the test’ (6) No
PA RT S I X
Interpersonal and non-literal meaning
324
Comment Examples such as these illustrate the contrast between implicature and
entailment. Entailments cannot be cancelled without contradiction. E.g.
in
I killed Cock Robin and Cock Robin did not die, where the
second half
contradicts an entailment of the
first half, the whole is a contradiction.
But a conversational implicature can be cancelled without resulting in a
contradiction, as shown in the above practice.
Summary This unit has outlined the notion of conversational implicature, a form of
reasonable inference. Implicature, a notion of utterance meaning, contrasts
with entailment, a notion of sentence meaning.
Implicature exists by reason
of general social conventions, the chief of
which is the principle of co-operativeness between speakers. (The idea of
implicature, which links logic and conversation, was developed by the
philosopher Paul Grice.)
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