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--- In jboske@yahoogroups.com, "Jorge Llambías" <jjllambias@...> wrote: > > On 9/25/06, John E. Clifford <clifford-j@...> wrote: > > --- In jboske@yahoogroups.com, "Jorge Llambías" <jjllambias@> wrote: > > > > > > Yes. For definiteness, let's consider a simple model: > > > > > > The universe of discourse is a set with three elements: > > > U={John, unicorns, elephants}. > > > > I assume you mean "unicorn" and "elephant", otherwise there would be > > more than three things in the universe. > > Well, English is not the ideal metalanguage for Lojban, because of its > obligatory number marking. But the sentence "There are three things > in the domain of discourse: namely unicorns, elephants and John" is > perfectly normal English, as far as I understand. The English plural form > is not infrequently used with a single referent. Maybe if we could use > Chinese (or even Lojban) as our metalanguage this issue wouldn't even > arise. Unfortunately, I don't speak any Chinese. Me neither. I would take "unicorns" as one thing to be part of a joke (as here) or as some sort of dialect form (and that usually as part of a joke). > > You seem to be serious with this rather bad joke, so please explain > > how "unicorns" can be singular other than as a typo. I agree that if > > someone says {lo pavyseljirna} in a primary place, I take it that > > there is at least one unicorn in his universe and adjust the universe > > I am constructing accordingly (or get him to readjust his). But this > > does not say anything about the critters John wants: in your mini > > universe, John could want a hippopotamus or a centaur without changing > > anything. > > John could want those things in addition to wanting unicorns, but if he doesn't > want unicorns, then the model constructed in the discourse, which includes > {la djan cu djica lo pavyseljirna} as one of its true sentences, would not be a > very good model (even if internally self-consistent). I wasn't saing that he does not want unicorns, only that he can want things other than unicorns, things that do not appear in the universe.So, indeed, he could want unicorns in a model which contained only John and a bunch of elephants. (He could alsosay truthfully in this smaller model that unicorns do not exist -- indeed that there are no unicorns.)