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Linglib.Fragments.Mayan.Tseltal.Agreement

Tseltal Agreement Fragment #

@cite{polian-2013} @cite{aissen-polian-2025}

Agreement morphology for Tseltal (Tseltalan, Mayan). Tseltal and Tsotsil are closely related languages within the Tseltalan subgroup of Western Mayan. They share most syntactic properties relevant to possessor extraction (@cite{aissen-polian-2025}).

The System #

Tseltal has the same two agreement paradigms as Tsotsil:

The key difference from Tsotsil is Set B position: Tseltal Set B markers are consistently suffixal, whereas Tsotsil Set B markers can be prefixal or suffixal depending on context.

3rd person singular Set B has no overt exponent (∅).

Grammatical function classification is shared across Tseltalan — see Fragments.Mayan.Tseltalan for the shared definitions.

Alignment #

Tseltalan languages are uniformly ergative-absolutive with no aspect-conditioned split (in contrast with Cholan; per @cite{polian-2013}). Set A indicates A; Set B indicates S and P alike.

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@[reducible, inline]
abbrev Fragments.Mayan.Tseltal.ArgPosition :
Type

Argument positions in a Tseltal clause. Aliased to the canonical Features.Prominence.ArgumentRole (S/A/P/R/T) so cross-Mayan and cross-framework code shares one inventory.

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    @[reducible, inline]
    abbrev Fragments.Mayan.Tseltal.ArgPosition.case :
    ArgPosition → Core.Case

    Case assignment for Tseltal. Definitionally equal to Fragments.Mayan.caseTseltalan .Perf, which derives from Alignment.ergative.assignCase. Tseltalan has no aspect-conditioned split, so a single case function suffices for both perfective and non-perfective.

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      @[reducible, inline]
      abbrev Fragments.Mayan.Tseltal.ArgPosition.accCase :
      ArgPosition → Core.Case

      Non-perfective case assignment for Tseltal. Identical to perfective (no aspect split per @cite{polian-2013}). Provided for cross-Mayan shape-uniformity with the other Mayan fragments.

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        def Fragments.Mayan.Tseltal.absPosition :
        ABSPosition

        Tseltal's absolutive morphemes appear in low (post-stem) position, consistent with Tseltalan being LOW-ABS.

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          def Fragments.Mayan.Tseltal.setALinearity :
          MarkerLinearity

          Set A markers in Tseltal are prefixal (per @cite{aissen-polian-2025} Table 1; pan-Mayan invariant).

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            def Fragments.Mayan.Tseltal.setBLinearity :
            MarkerLinearity

            Set B markers in Tseltal are consistently suffixal. Contrasts with Tsotsil Set B, which is prefixal or suffixal depending on context (@cite{aissen-polian-2025} Table 1, footnote 9).

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              def Fragments.Mayan.Tseltal.setAExponent :
              PersonNumber → String

              Set A (ERG/GEN) exponents for Oxchuc Tseltal (@cite{polian-2013}). Prefixes on the verb or possessed noun. Forms shown as pre-C/pre-V allomorph pairs.

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                def Fragments.Mayan.Tseltal.setBExponent :
                PersonNumber → String

                Set B (ABS) exponents for Oxchuc Tseltal (@cite{polian-2013}). Suffixes on the verb stem. 3rd person singular is null (-∅).

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                  theorem Fragments.Mayan.Tseltal.p3sg_abs_null :
                  setBExponent PersonNumber.p3sg = "-∅"

                  3rd person absolutive is null — invariant across the standard Mayan branches per @cite{kaufman-norman-1984} Table 8. Not pan-Mayan: see Mam exception via MayanLang.isStandard.

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                  theorem Fragments.Mayan.Tseltal.setB_is_suffixal :
                  setBLinearity = MarkerLinearity.suffixal

                  Tseltal Set B differs from Tsotsil in linearity (suffixal vs prefixal-or-suffixal); the marker set assignment is identical.

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                  def Fragments.Mayan.Tseltal.extractionProfile :
                  Typology.ExtractionProfile

                  Tseltal's extraction profile: no Agent Focus morphology required for A-extraction, consistent with Tseltal being LOW-ABS.

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