RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
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.
395 results for "house system" — page 6 of 20
W_4_02 — Polynesian Navigation and Rapa Nui
The Polynesian settlement of the Pacific Ocean — the largest migration in human prehistory — colonized virtually every inhabitable island across 16 million km² of open ocean using non-instrument navigation techniques of
W_4_05 — Iroquois Confederacy and the Great Law of Peace
The Haudenosaunee (People of the Longhouse), commonly known as the Iroquois Confederacy, created one of the world's oldest continuous systems of participatory governance, uniting five — later six — nations under the Grea
W_1_17 — Islamic Caliphates Comparative Governance
The Islamic caliphates (632–1258 CE for the Rashidun–Abbasid sequence) governed the largest contiguous empire in history by the Umayyad period, stretching from the Iberian Peninsula to the Indus Valley. This document com
W_1_01 — Olmec Civilization and Serpent-Jaguar Symbolism
The Olmec civilization (~1500–400 BCE), centered in the tropical lowlands of Mexico's Gulf Coast (modern Veracruz and Tabasco), is widely considered the "mother culture" of Mesoamerica — the civilization from which later
W_3_12 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_2_08 — Korean Shamanism (Muism / Musok)
Korean shamanism (Muism or Musok, 무속) is one of the oldest continuous spiritual traditions in East Asia, predating the introduction of Buddhism (4th century CE) and Confucianism to the Korean peninsula. Centered on mudan
W_2_23 — Pyu City-States
The Pyu city-states (c. 200 BCE – 1050 CE) were the earliest urbanized polities in mainland Southeast Asia, located in the dry zone and Irrawaddy River valley of modern Myanmar (Burma). Three major walled cities — Beikth
W_2_28 — Gupta Empire: Classical India's Golden Age
The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu
W_5_35 — I Ching: The Book of Changes, Divination, and Binary Philosophy
The I Ching (Yìjīng, 易經, "Classic of Changes") is among the oldest continuously used texts in human history, with roots extending to the Western Zhou dynasty (c. 1000–750 BCE) and legendary attribution to Fu Xi (trigrams
W_5_08 — Mongol Empire and Nomadic Civilization
The Mongol Empire (1206–1368 CE) was the largest contiguous land empire in human history, stretching from Korea to Hungary at its peak under Genghis Khan's successors. Arising from the unification of nomadic Turko-Mongol
TOA_Transparency — Research Methodology & Verification Overview
Theories of Anything is a 3,627-document multi-disciplinary research knowledge base built through a human–AI partnership (Gortiva and Cairn, a Claude-based model from Anthropic). Every document follows an identical templ
ZH_3_04 — Chaco Canyon: Solar Markers and Pueblo Astronomy
Chaco Canyon (northwestern New Mexico) was the center of Ancestral Puebloan (formerly called Anasazi) civilization from approximately 850–1150 CE, featuring monumental Great Houses containing hundreds of rooms, extensive
ZH_5_20 — Maya Calendar Systems: Cycles of Time and Cosmic Order
The Maya calendar system represents one of the most sophisticated timekeeping frameworks developed by any civilization, integrating multiple interlocking cycles to track sacred, civil, agricultural, and cosmic time over
ZH_2_02 — Indian Astronomical Traditions: Aryabhata to Jantar Mantar
Indian astronomy (Jyotish Shastra) constitutes one of the most mathematically sophisticated astronomical traditions of the pre-modern world, spanning from the Vedic period (c. 1500–500 BCE) through the classical siddhānt
ZH_2_16 — Islamic Astronomical Tables (Zīj): Precision Observation and Computational Tradition from Baghdad to Samarkand
The zīj (Arabic: زيج, plural zījāt) is the Islamic astronomical handbook tradition — comprehensive sets of numerical tables and computational instructions enabling astronomers to calculate the positions of the Sun, Moon,
ZH_2_03 — Islamic Golden Age Astronomy: Observatories and Star Catalogs
Islamic astronomy (c. 750–1500 CE) represents one of the most productive and sophisticated periods in the history of astronomical science — a sustained tradition of observation, mathematical innovation, and critical enga
ZH_1_13 — Bronze Age Astronomy: Alignments, Calendars, and Knowledge 2000–1000 BCE
The Bronze Age (broadly ~3300–1200 BCE, with regional variation) witnessed a decisive transformation in astronomical knowledge — from the horizon-based, monument-encoded astronomy of the Neolithic to the beginning of sys
ZH_1_06 — Zodiac Origins: Babylonian MUL.APIN to Greek Transmission
The zodiac — the division of the ecliptic (the apparent annual path of the Sun against the background stars) into 12 equal 30° segments, each named after a constellation — is a Babylonian invention that became the founda
ZH_1_03 — Babylonian MUL.APIN and Mathematical Astronomy
Babylonian astronomy represents the first mathematical science in human history — the first tradition to develop quantitative, predictive models of celestial phenomena based on systematic observation and arithmetic calcu
C_5_19 — Chakra System: Energy Center Concepts Across Cultures
The chakra system — a model of the human body containing discrete energy centers (Sanskrit: cakra, "wheel") aligned along the spine — is a foundational concept in Hindu and Buddhist Tantric traditions that has striking c
BROWSE BY SECTION — 3,721 documents across 34 fields