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Re: [lojban] Re: interactions between tenses, other tenses, and NA



In a message dated 9/27/2002 3:39:31 PM Central Daylight Time, jjllambias@hotmail.com writes:

<<
If I understand correctly, "the usual language of formal
logic" would have something like ~Fab

This can be described as:

1- Negation in front of the predicate
2- Negation in front of the whole expression

Lojban does: a~Fb, so as far as negation goes, it either follows
the usual language of formal logic (by 1) or it does not follow the
usual language of formal logic (by 2).

>>
Taxicab again.  Now I see your point: the Lojban is neither out in front marking out in front nor inside marking inside, so what is logical about it?  Answer -- historical and JCB-related (and we know what that means): English represents ~Fab by a~Fb, even when a is a quantified expression (though not always), so the way that natural langauges represent ~Fab is a~Fb (this is still pretty much true for SAE, with variants -- less true for French, if I remember rightly; I don't remember the distribution for Spanish cases; pretty true for German), so Loglan (hence, Lojban) should represent ~Fab (even if a is quantified, i.e., ~ QxFxb) as a~Fb.  Yeah, I know, but that is sorta how it went and we are stuck with it (although I don't find it that hard to deal with, since it is so like (my) English). 

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