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[lojban-beginners] .ijo w/ more than one argument



so in example 7.3 of chapter 14 in the CLL, we have the following:
mi dotco .ijo mi ricfu .ijo mi nanmu
I am-German.  If-and-only-if I am-rich. If-and-only-if I am-a-man.

after which it says that if we work out the truth table for this we
see that an accurate translation of this would be:
Of the three properties --- German-ness, wealth, and manhood -- I
possess either exactly one or else all three.

But this looks to me like this would be exactly 0 or all three, not
exactly 1.  Could someone explain this (admittedly) very
counter-intuitive result?

A -> B -> C

I would think that this means either they are all T or they are all F.
 Maybe I'm misunderstanding iff.  The truth value of iff is TFFT is it
not?


-- 

 - Luke Bergen