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Re: [engelang] Xorban: Semantics of "l-" (and "s-" and "r-")



Just a reminder that I have been trying for twenty-odd years to save & and x 's mad schemes, since they seemed to me to be something important.  The fact that they have anticooperated for that period by heaping one bit of argle-bargle on top of another does tend to irk me occasionally.  I have once again offered a workable suggestion which seems to me to do most of the work and I would like some useful thought on where it fails and what can done to patch it up.



From: Mike S. <maikxlx@gmail.com>
To: engelang@yahoogroups.com
Sent: Sunday, September 9, 2012 7:54 PM
Subject: Re: [engelang] Xorban: Semantics of "l-" (and "s-" and "r-")

 
On Sat, Sep 8, 2012 at 11:02 AM, And Rosta <and.rosta@hidden.email> wrote: 
Mike S., On 08/09/2012 03:29:
> On Fri, Sep 7, 2012 at 9:15 PM, And Rosta <and.rosta@hidden.email
> <mailto:and.rosta@hidden.email>> wrote: But we should remember the

> distinction between (I) rules that map a sentence's phonological
> form to its logical form, and (II) rules that map logical forms to
> (stuff in) (possible) worlds. We do know from past discussions on
> Lojban list that some folk, including John Clifford, want of a
> logical language that it do not only (I) but also (II), whereas
> others, including me and Jorge, want only that it do (I), considering
> (II) to be essentially extralinguistic and unachievable and
> potentially overly restrictive for users.
>
> Therefore, folk who are after (II) are really after a different
> project than Xorban is. However, to make a Xorban-B they could still
> use the grammar of Xorban and simply add on type-(II) rules.
>
> I find this (I) versus (II) distinction very puzzling. As far as I
> can see, possible worlds have an essential part to play in the
> logical form underlying human language semantics, and they must be
> incorporated in Xorban if it is to be a human language. Every human
> being without the slightest formal linguistic training easily grasps
> lines like "I coulda been a contender", and that line clearly
> invokes a possible world. What on earth is "essentially
> extralinguistic and unachievable" about that?

I expressed myself badly. (II) involves formally modelling the extralinguistic world, including possible worlds, and defining correspondence rules between logical forms and, let's say, models of states of affairs. To take a concrete example, proponents of (II) want a rigid definition of cathood to be part of the language (hence questions about what exactly is la mlta). In contrast, for proponents of (I)-only, mlt in logical form is a pointer to the mlt entry in the encyclopedia of everything, but the contents of that entry are external to (I)-only language.

Okay, if I understand this correctly, then I see the need for a weak version of (II).  IMHO, the formal semantics will definitely require a model containing a domain of possible worlds upon which intensional logic can be formalized.  However, as far as I can tell, no "rigid definition of cathood" need be part of the model nor of the formal semantics, and yes the "human" (i.e. informal, intuitive) understanding of what "mlt" means is left to some sort of encyclopedia outside the language's definition proper. 

 
I don't want to close down fruitful debate, but on this specific issue that bothers you so, I've been seeing eye to eye with Jorge for twenty years(!), and for most of that time you've been objecting. I think this has been demonstrated to be a case where we aren't going to reach consensus, so we need to look for alternative solutions. Here are some suggested solutions:

A. If you can live with lV and are happy with just sV and rV, just let the matter rest.
B. If you can live with lV, but want another new quantifier, have a go persuading the rest of us that it is needed and not already covered by lV.
C. If you can't live with lV, define a variant dialect of Xorban in which lV is abolished or given a different definition.

Yes, I think that's just reality.  IMHO it's not about John Clifford / "l-" per se; similar alternatives are there for anyone / any design preference.