In this paper we introduce a
<term>
modal language LT
</term>
for imposing
<term>
constraints
</term>
on
<term>
trees
</term>
, and an extension LT ( LF ) for imposing
<term>
constraints
</term>
on
<term>
trees
</term>
decorated with
<term>
feature structures
</term>
.
#24676In this paper we introduce a modal language LT for imposing constraints on trees, and an extension LT (LF) for imposing constraints on trees decorated with feature structures .
other,22-3-E93-1004,ak
In addition , the role of
<term>
modal languages
</term>
( and in particular , what we have called
<term>
layered modal languages
</term>
) as
<term>
constraint formalisms
</term>
for linguistic theorising is discussed in some detail .
#24739In addition, the role of modal languages (and in particular, what we have called layered modal languages) as constraint formalisms for linguistic theorising is discussed in some detail.