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.

8 results for "prisoner's dilemma"

T_4_15 Credible Psychology & Social

T_4_15 — The Psychology of Cooperation and Trust: Game Theory, Reciprocity, and Institutions

Cooperation — acting in ways that benefit others at a cost to oneself — is both theoretically puzzling (why would natural selection favor organisms that sacrifice fitness for others?) and practically essential (every hum

cooperation trust game theory prisoner's dilemma reciprocity altruism

ZD_4_02 Verified Information & Computation

ZD_4_02 — Game Theory, Strategic Interaction, and Cooperation

Game theory is the mathematical study of strategic interaction among rational agents, founded by John von Neumann and Oskar Morgenstern's Theory of Games and Economic Behavior (1944) and revolutionized by John Nash's equ

game theory Nash equilibrium prisoner's dilemma tit-for-tat von Neumann Morgenstern

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

R_5_19 Verified Biology & Evolution

R_5_19 — Evolutionary Game Theory: Cooperation, Altruism, and Strategy in Nature

Evolutionary game theory applies mathematical game theory to biological evolution, explaining how natural selection favors strategies for survival and reproduction in competitive and cooperative interactions. The field's

evolutionary game theory prisoner's dilemma tit for tat altruism kin selection reciprocity

V_4_28 Verified Mathematics & Information

V_4_28 — Game Theory: Strategic Decision-Making and Evolutionary Dynamics

Game theory — the mathematical study of strategic interaction among rational agents — was formalized by John von Neumann and Oskar Morgenstern in Theory of Games and Economic Behavior (1944) and transformed by John Nash'

game theory nash equilibrium prisoner's dilemma evolutionary game theory john von neumann john nash

ZE_1_09 Verified Ethics & Applied Philosophy

ZE_1_09 — Metaethics and Moral Realism

Metaethics asks not "what should I do?" (normative ethics) but "what is the nature of moral claims themselves?" — investigating whether moral facts exist, what moral language means, how moral knowledge is possible, and t

metaethics moral realism moral anti-realism cognitivism non-cognitivism emotivism

R_2_08 Verified Biology & Evolution

R_2_08 — Bipedalism — Why We Walk Upright and What It Cost Us

Bipedalism — habitual upright walking on two legs — is the defining characteristic of the hominin lineage, predating brain enlargement, tool use, and language by millions of years. The earliest evidence comes from Sahela

bipedalism human evolution Sahelanthropus Ardipithecus Laetoli footprints savanna hypothesis

V_3_18 Verified Mathematics & Information

V_3_18 — Game Theory: Strategic Decision-Making and Nash Equilibrium

Game theory — the mathematical study of strategic interaction among rational decision-makers — has become one of the most influential analytical frameworks in mathematics, economics, political science, biology, and compu

game-theory nash-equilibrium prisoners-dilemma von-neumann zero-sum evolutionary-game-theory

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