What does the abreviation INFLNFL stand for? What is the meaning of INFLNFL and where does it appear in the syntactic tree-construction?

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    Welcome to Linguistics.SE, Bettina! For the sake of completeness, could you provide a bit more of context? Where did you see/hear these acronyms? What triggered your curiosity about this? Oct 23, 2012 at 16:33
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    Assuming you're interested in linguistics proper, INFL was proposed in Chomsky 1981, from INFL(ection); now it is usually known as T. As for INFLNFL, it looks like some notation no longer used, either - Chomsky 1993?
    – Alex B.
    Oct 24, 2012 at 1:51
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    I concur with @AlexB. that INFL just looks like Chomsky's T, but I haven't seen INFLNFL anywhere except (by Google search) a single article on Spanish grammar where it could possibly be a typo. Do you have more context? where did you see this? Oct 24, 2012 at 12:32

1 Answer 1


I'm not sure it's the same, but I've seen this sort of annotation used quite a bit in Spanish. It's also a characteristic of the language though, even outside the world of linguistics. 'Los Estados Unidos' is often shortened to 'los EEUU'. Here is an excerpt from a website on Spanish syntax, in which the author refers to SN (sintagma nominal) in its singular & plural form as such: 'los SSNN' (los = plural, definite article) /'un SN' (un = singular, indefinite article). SN (sintagma nominal) is just the Spanish equivalent of the English NP (noun phrase).


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    Acronyms are always doubled in Spanish when pluralised, but as you also write them, the doubling happens to each individual letter that represents a pluralised word. INFLNFL doesn’t match that; if it had been the plural of an acronym INFL, it would be INNFFLL (assuming that the single I represents a word that’s not pluralised). Sep 26, 2020 at 7:58

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