RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

143 results for "sona" — page 8 of 8

V_1_18 Credible Mathematics & Information

V_1_18 — Ethnomathematics: Mathematics Across Cultures

Ethnomathematics — the study of mathematical ideas, methods, and practices developed by cultural groups outside the Western academic tradition — was formalized as a field by Ubiratan D'Ambrosio (Brazil, 1985), who argued

ethnomathematics indigenous-mathematics quipu ishango-bone sand-drawing sona

V_1_06 Verified Mathematics & Information

V_1_06 — Mathematics of Music: Harmonic Ratios & Tuning Systems

The relationship between mathematics and music is among the oldest in intellectual history. Pythagoras (c. 570–495 BCE) is traditionally credited with discovering that consonant musical intervals correspond to simple num

music theory mathematics Pythagorean tuning harmonic ratios equal temperament Fourier analysis

T_5_09 Credible Psychology & Social

T_5_09 — Narrative Psychology: Story, Identity, and the Storied Self

Narrative psychology — the study of how humans make sense of their lives, construct identity, and organize experience through storytelling — emerged as a distinct field in the 1980s–1990s through the work of Jerome Brune

narrative psychology narrative identity life story McAdams Bruner storied self

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