Question

Difficulty: MediumInferences from the Text

For decades, epigraphers classified the Inka khipu—an intricate assemblage of knotted, dyed cotton and camelid cords—strictly as an accounting device restricted to recording quantitative census and tribute tallies. This interpretation was bolstered by the absence of phonetic scripts in pre-Columbian Andean material culture and by the base-10 numerical knotting patterns deciphered in early twentieth-century field studies. However, recent systematic cataloging of anomalous, non-decimal khipus reveals that structural variables previously dismissed as decorative or idiosyncratic—such as the binary direction of cord ply spin (S-twist versus Z-twist), attachment direction (recto versus verso), and hierarchical color-banding—exhibit rigid syntactic patterning that cannot be accounted for by numerical bookkeeping alone. Because these binary physical markers consistently correlate with specific geographic provenance and dual-organization social divisions (moieties), some researchers argue that the khipu operated as a semasiographic system capable of conveying complex social narratives and structural relationships independently of spoken Quechua phonology.

Based on the passage, which of the following statements about non-decimal khipus is most strongly supported?

  1. A
    They represent a developmental transition toward a fully phonetic script designed to transcribe the grammatical inflections of spoken Quechua.
  2. Their physical construction incorporates regular structural conventions that encode non-quantitative social and regional information.Answer
  3. C
    They were created primarily by provincial tributary officials to evade standard imperial census oversight and taxation records.
  4. D
    The arbitrary decorative choices made by individual artisans prevented these devices from establishing consistent geographic correlations.
  5. E
    Their base-10 knotting sequences were specifically devised to translate complex spoken narrative structures into linear mathematical records.

Answer

The statement that the physical construction of non-decimal khipus incorporates regular structural conventions that encode non-quantitative social and regional information is most strongly supported.
The passage explicitly indicates that non-decimal khipus possess physical construction variables (such as ply spin direction, attachment orientation, and color-banding) that follow rigid syntactic patterns and correlate with geographic origin and social moieties (dual-organization divisions). This directly supports the deduction that their physical construction incorporates regular structural conventions encoding non-quantitative social and regional information.

Step-by-Step Solution

1
Analyze the passage to locate specific claims regarding non-decimal khipus and their structural features.
The passage notes that non-decimal khipus have structural variables (such as ply spin direction, attachment orientation, and color-banding) with rigid syntactic patterns correlating with geographic provenance and social divisions.
LSAT inference questions require finding the claim that is directly entailed or most conservatively supported by the explicit text.
2
Evaluate the relationship between the physical markers and the information conveyed.
The text indicates that these physical markers cannot be explained by numerical bookkeeping alone and instead convey social structural relationships and geographic provenance.
Synthesizing these two details confirms that physical construction rules systematically convey non-numerical data.
3
Match the synthesized textual premise to the corresponding answer choice while eliminating distractors.
The choice stating that their physical construction incorporates regular structural conventions encoding non-quantitative social and regional information accurately reflects the passage without exaggeration.
Eliminates options that invent external historical facts or contradict the non-phonetic, non-decimal distinctions established by the author.

Key Concept

Drawing conservative inferences from technical passages by synthesizing specific textual constraints without exceeding the author's logical scope.
Estimated Time:1m 30s
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