Tuyuca Evidentiality

[Aik04] [Bar84] [dH13b]

Five-term system: visual, nonvisual, apparent (inferential), secondhand (reported), assumed. Obligatory verbal suffixes. [Bar84] is the classic description. Vaupés multilingual area.

WALS [dH13b] F77A codes Tuyuca as directAndIndirect, lumping the 5-term system into the canonical 2-way bucket. [Aik04]'s richer typology distinguishes 3-or-more systems; the local EvidentialSystem enum's threeOrMore value is the per-Aikhenvald override (Studies-side). The markers field below preserves the full 5-term inventory.

Typed evidential inventory

Tuyuca's 5-term D1 system per [Aik04] Ch 2 §2.4 and [Bar84].

def Tuyuca.Evidentiality.evidentials : List Semantics.Evidential.Entry

Tuyuca evidential inventory in the new typed form. Five entries: two Direct (visual/non-visual sensory), two Inferential (from-result/from-assumption), one Reportative (unidentified).

Equations

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Structural facts about the inventory, decide-checked.