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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.

2 results for "Trivers"

ZE_1_01 Verified Ethics & Applied Philosophy

ZE_1_01 — Ethics Across Civilizations: Universal Moral Patterns

Despite vast cultural differences, virtually every civilization in human history has independently developed strikingly similar core moral principles: reciprocity (the Golden Rule), prohibitions against murder and theft,

ethics morality Golden Rule natural law moral universals deontology

R_3_06 Verified Biology & Evolution

R_3_06 — Altruism and Cooperation in Nature

Altruism — behavior that reduces the actor's fitness while increasing the recipient's — presents a fundamental puzzle for evolutionary theory: how can natural selection favor genes that reduce their bearer's reproduction

altruism cooperation kin selection Hamilton reciprocal altruism Trivers

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