[lojban] Re: Possible error in CLL:14:7:3

[Pierre Abbat <phma@phma.optus.nu>]

On Saturday 31 May 2008 21:41, nam wrote:
> "mi dotco .ijo mi ricfu .ijo mi nanmu" => "an accurate translation would
> be: Of the three properties --- German-ness, wealth, and manhood -- I
> possess either exactly one or else all three."
>
> I would say it should be: "I possess either (exactly) none or else all
> three"
>
> If you agree, I'll add this to the CLL-errata wiki-page.

No. {ijo} is "if and only if"; {ijonai} is "exclusive or". An arbitrarily long 
string of propositions connected by these is false if an odd number of them 
are false, or if an even number are false, depending on the number of {nai}. 
Think of those switches such that if you flip one, it turns the light off if 
it's on, or vice versa, and there are several in a room, all controlling the 
same light.

Pierre


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