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updated synopsis with information on extra modules and gfdoc for internal abstract syntax

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aarne
2011-10-28 08:37:38 +00:00
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<body>
<i> Produced by
gfdoc - a rudimentary GF document generator.
(c) Aarne Ranta (aarne@cs.chalmers.se) 2002 under GNU GPL.
</i>
<p>
<h1> Phrase: Phrases and Utterances</h1>
<pre>
abstract Phrase = Cat ** {
</pre>
When a phrase is built from an utterance it can be prefixed
with a phrasal conjunction (such as <i>but</i>, <i>therefore</i>)
and suffixing with a vocative (typically a noun phrase).
<pre>
fun
PhrUtt : PConj -> Utt -> Voc -> Phr ; -- but come here, my friend
</pre>
Utterances are formed from sentences, questions, and imperatives.
<pre>
UttS : S -> Utt ; -- John walks
UttQS : QS -> Utt ; -- is it good
UttImpSg : Pol -> Imp -> Utt; -- (don't) love yourself
UttImpPl : Pol -> Imp -> Utt; -- (don't) love yourselves
UttImpPol : Pol -> Imp -> Utt ; -- (don't) sleep (polite)
</pre>
There are also 'one-word utterances'. A typical use of them is
as answers to questions.
<b>Note</b>. This list is incomplete. More categories could be covered.
Moreover, in many languages e.g. noun phrases in different cases
can be used.
<pre>
UttIP : IP -> Utt ; -- who
UttIAdv : IAdv -> Utt ; -- why
UttNP : NP -> Utt ; -- this man
UttAdv : Adv -> Utt ; -- here
UttVP : VP -> Utt ; -- to sleep
UttCN : CN -> Utt ; -- house
UttCard : Card -> Utt ; -- five
UttAP : AP -> Utt ; -- fine
UttInterj : Interj -> Utt ; -- alas
</pre>
The phrasal conjunction is optional. A sentence conjunction
can also be used to prefix an utterance.
<pre>
NoPConj : PConj ;
PConjConj : Conj -> PConj ; -- and
</pre>
The vocative is optional. Any noun phrase can be made into vocative,
which may be overgenerating (e.g. <i>I</i>).
<pre>
NoVoc : Voc ;
VocNP : NP -> Voc ; -- my friend
}
</pre>
</body>
</html>