[developers] Subordinating Pairs Analysis
aac10 at cl.cam.ac.uk
Sat Jun 17 14:25:22 CEST 2017
I can discuss the way the MRS might look, though not the details of how
you get there.
If there's a semantic relationship between the two clauses, then there
needs to be some sort of two-place predicate taking the LTOP of each
clause as an argument (usually via a qeq). If the two elements of the
pair always go together, and there is a restricted range of options,
this two-place predicate might be the only element of the semantics. If
both elements are adverbial, the semantics might have to be associated
with the construction rather than trying to do it via unusual semantics
for an adverb.
Looking at the ERG demo and delphin-viz, it seems that if_x_then is used
for a range of situations, including ones without any lexical marking -
"Had I slept, it rained." (actually I find that ungrammatical, but never
mind ... "Had I slept, it would have rained." is fine)
In terms of the actual semantics, one could say there are two things
going on with if_x_then - one is a causality relationship and the other
is a hypotheticality marking.
"I slept, so it rained."
is just causality. So one could analyse
if X then Y.
X so Y
I don't think this would be a good idea for English (too much
decomposition, so it probably doesn't capture the nuances), but it might
be more convenient for other languages.
It is not the case that we can always capture the meaning directly for
English. For instance:
"I slept and, as a consequence, it rained."
implies causality, but we won't capture that directly in the MRS. I'd
say that what's going on is that `and' gives a two place relationship of
the right form, but highly underspecified. "as a consequence" means it
has to be interpreted causally.
"I slept and it rained."
can do the same thing.
To sum up, what I'm saying is that I think you'll always want some type
of two-place clausal connective, but it might be underspecified to some
extent with additional meaning conveyed via additional predications on
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