It doesn't really say that you don't have any. It says that there
is at least one that you lack, but it says nothing about the rest
of them. {claxu} is a tricky predicate. You could say {mi claxu
ro fipybirka}, "every fin is such that I lack it".
Jorge thinks that {mi claxu ro fipybirka} sounds awful. To me it's very Lojbanic. --xod
(This is a good place for constructions of the fipybirka claxu sort.)
Why didn't anyone think of mi na se fipybirka? --tsali
Well that's not great, because that means mi na se fipybirka zo'e, leaving the interpretation of zo'e to be glorked. But I did point out no da fipybirka mi, and that is the best way to say it. All the same, mi claxu lo fipybirka surely counts as a genuine gotcha. --And