The complete map of what's here

Concepts

• AuthorityClassical · Global
• Checks and BalancesEnlightenment · France
• Class Struggle19th century · Germany
• Constructivism in International RelationsLate 20th century · United States
• Democratic Peace TheoryEnlightenment · Germany
• Distributive JusticeAncient · Europe
• Equality of OpportunityEnlightenment · Europe
• Equality of OutcomeEnlightenment · Europe
• HegemonyClassical · Italy
• LegitimacyClassical · Global
• Neoliberal InstitutionalismLate 20th century · United States
• Nuclear DeterrenceLate 20th century · United States
• NudgeContemporary · United States
• Positive and Negative LibertyLate 20th century · United Kingdom
• PowerClassical · Global
• Presidentialism versus ParliamentarismLate 20th century · Global
• Responsibility to ProtectContemporary · Global
• SecuritizationLate 20th century · Denmark
• Self-DeterminationEnlightenment · Global
• Social CapitalLate 20th century · United States
• Soft PowerLate 20th century · United States
• SovereigntyEarly modern · Europe
• Structural RealismLate 20th century · United States
• The Balance of PowerEarly modern · Europe
• The Civic CultureLate 20th century · United States
• The General WillEnlightenment · France
• The Harm Principle19th century · United Kingdom
• The Levels-of-Analysis ProblemLate 20th century · United States
• The LeviathanEarly modern · United Kingdom
• The Original PositionLate 20th century · United States
• The Paradox of VotingLate 20th century · United States
• The Rule of LawClassical · Greece
• The Security DilemmaLate 20th century · United States
• The Separation of PowersEnlightenment · France
• The Social ContractEarly modern · Europe
• The Thucydides TrapContemporary · United States

Thinkers

• Alexis de Tocqueville19th century · France
• Antonio GramsciEarly 20th century · Italy
• Edmund BurkeEnlightenment · Ireland
• Friedrich Engels19th century · Germany
• Jean-Jacques RousseauEnlightenment · Switzerland
• John RawlsLate 20th century · United States
• Mikhail Bakunin19th century · Russia
• MontesquieuEnlightenment · France
• Peter Kropotkin19th century · Russia
• Pierre-Joseph Proudhon19th century · France
• Robert NozickLate 20th century · United States
• Thomas PaineEnlightenment · United Kingdom
• Vladimir Lenin19th century · Russia

Ideologies

• Absolute MonarchyEarly modern · Europe
• Anarchism19th century · Europe
• Anarcho-CapitalismLate 20th century · United States
• Anarcho-Communism19th century · Europe
• Anarcho-Syndicalism19th century · Europe
• AristocracyAncient · Global
• AuthoritarianismCross-era · Global
• Civic RepublicanismAncient · Global
• Classical LiberalismEnlightenment · United Kingdom
• Collectivism19th century · Global
• Communism19th century · Global
• CommunitarianismLate 20th century · United States
• ConfederalismLate 20th century · Global
• ConservatismEnlightenment · United Kingdom
• Constitutional MonarchyEarly modern · United Kingdom
• ConstitutionalismLate 20th century · Global
• CorporatismLate 20th century · Europe
• Council CommunismEarly 20th century · Germany
• Democratic SocialismLate 20th century · Europe
• Direct DemocracyAncient · Greece
• DistributismEarly 20th century · United Kingdom
• FascismLate 20th century · Italy
• FederalismEnlightenment · United States
• FeudalismMedieval · Europe
• First-Wave Feminism19th century · United Kingdom
• Green Political TheoryLate 20th century · Global
• Illiberal DemocracyContemporary · Global
• Individualist Anarchism19th century · United States
• LeninismEarly 20th century · Russia
• Liberal DemocracyLate 20th century · Global
• LibertarianismLate 20th century · United States
• MaoismLate 20th century · China
• Market SocialismLate 20th century · Europe
• Marxism19th century · Germany
• Marxism-LeninismLate 20th century · Soviet Union
• MeritocracyLate 20th century · United Kingdom
• MinarchismLate 20th century · United States
• Modern Liberalism19th century · United Kingdom
• Mutualism19th century · France
• National ConservatismContemporary · United States
• NationalismEnlightenment · Global
• NazismEarly 20th century · Germany
• NeoliberalismLate 20th century · Austria
• OligarchyAncient · Global
• One-Nation Conservatism19th century · United Kingdom
• PlutocracyCross-era · Global
• PopulismLate 20th century · Global
• Representative DemocracyLate 20th century · Global
• RepublicanismAncient · Rome
• Second-Wave FeminismLate 20th century · United States
• Social DemocracyLate 20th century · Europe
• Social Liberalism19th century · United Kingdom
• Socialism19th century · Europe
• StalinismEarly 20th century · Soviet Union
• SyndicalismEarly 20th century · France
• TechnocracyLate 20th century · United States
• The Divine Right of KingsEarly modern · Europe
• TheocracyAncient · Global
• Third-Wave FeminismLate 20th century · United States
• TotalitarianismLate 20th century · Europe
• Traditionalist ConservatismEnlightenment · United Kingdom
• TrotskyismLate 20th century · Soviet Union

Traditions

• Feminist International RelationsLate 20th century · Global
• Just War TheoryAncient · Europe
• Liberalism in International RelationsEnlightenment · Europe
• Political RealismClassical · Greece
• PostcolonialismLate 20th century · Global
• The English SchoolLate 20th century · United Kingdom

Mental models

• Cleavage TheoryLate 20th century · Europe
• Duverger's LawLate 20th century · France
• Modernization TheoryLate 20th century · United States
• The Bargaining Model of WarLate 20th century · United States
• The Median Voter TheoremLate 20th century · United States
• The Norm Life CycleLate 20th century · United States
• The Policy WindowLate 20th century · United States
• Transnational Advocacy NetworksLate 20th century · United States
• Two-Level GamesLate 20th century · United States
• Veto PlayersLate 20th century · United States
• War Made the StateLate 20th century · Europe
• World-Systems TheoryLate 20th century · United States

Primary texts

• Essence of DecisionLate 20th century · United States

Concepts

• Creative DestructionEarly 20th century · Austria
• Dependency TheoryLate 20th century · Latin America
• Dilution and the Logic of EquityLate 20th century · United States
• Economic MoatsLate 20th century · United States
• Entrepreneurial AlertnessLate 20th century · United States
• ExternalitiesEarly 20th century · United Kingdom
• Knightian UncertaintyEarly 20th century · United States
• Product-Market FitContemporary · United States
• Public GoodsLate 20th century · United States
• Social Entrepreneurship and the Triple Bottom LineLate 20th century · United Kingdom
• Surplus Value19th century · Germany
• The Division of LaborEnlightenment · United Kingdom
• The Entrepreneurial Ecosystem19th century · United States
• The Invisible HandEnlightenment · United Kingdom
• The Labor Theory of ValueEarly modern · United Kingdom
• The Tragedy of the CommonsLate 20th century · United States
• The Venture Capital Power LawContemporary · United States
• Unit EconomicsLate 20th century · United States

Thinkers

• Adam SmithEnlightenment · United Kingdom
• Amartya SenEarly 20th century · India
• David Ricardo19th century · United Kingdom
• Friedrich HayekLate 20th century · Austria
• John Kenneth GalbraithLate 20th century · United States
• John Maynard KeynesEarly 20th century · United Kingdom
• Joseph SchumpeterEarly 20th century · Austria
• Milton FriedmanLate 20th century · United States
• Murray RothbardLate 20th century · United States
• Thomas MalthusEnlightenment · United Kingdom
• Thorstein Veblen19th century · United States

Ideologies

• CapitalismEarly modern · Europe
• Georgism19th century · United States
• KeynesianismEarly 20th century · United Kingdom
• MercantilismEarly modern · Europe
• Modern Monetary TheoryContemporary · United States
• MonetarismLate 20th century · United States
• The Austrian School19th century · Austria

Mental models

• Adverse SelectionLate 20th century · United States
• Blue Ocean StrategyContemporary · France
• Bottlenecks and the Theory of ConstraintsLate 20th century · Israel
• Comparative Advantage19th century · United Kingdom
• CompoundingCross-era · Global
• Crossing the ChasmLate 20th century · United States
• Disruptive InnovationLate 20th century · United States
• EffectuationContemporary · United States
• Game TheoryEarly 20th century · Hungary
• IncentivesCross-era · Global
• Jobs to Be DoneContemporary · United States
• LeverageCross-era · Global
• Margin of SafetyEarly 20th century · United States
• Moral Hazard19th century · United Kingdom
• Network EffectsLate 20th century · United States
• Opportunity Cost19th century · Austria
• Parkinson's LawLate 20th century · United Kingdom
• Pirate Metrics (AARRR)Contemporary · United States
• Porter's Five ForcesLate 20th century · United States
• Porter's Generic StrategiesLate 20th century · United States
• Schelling's Segregation ModelLate 20th century · United States
• SignalingLate 20th century · United States
• Supply and DemandEnlightenment · United Kingdom
• SWOT AnalysisLate 20th century · United States
• The BCG MatrixLate 20th century · United States
• The FlywheelContemporary · United States
• The Globalization TrilemmaContemporary · United States
• The Impossible TrinityLate 20th century · Canada
• The Lean StartupContemporary · United States
• The Long TailContemporary · United States
• The Nash EquilibriumLate 20th century · United States
• The Pareto Principle19th century · Italy
• The Peter PrincipleLate 20th century · United States
• The Principal-Agent ProblemLate 20th century · United States

Concepts

• Attachment TheoryLate 20th century · United Kingdom
• Baumrind's Parenting StylesLate 20th century · United States
• BurnoutLate 20th century · United States
• Categories and PrototypesLate 20th century · United States
• Cognitive DissonanceLate 20th century · United States
• Confirmation BiasLate 20th century · United States
• Correlation and CausationLate 20th century · United Kingdom
• Defining Abnormality19th century · United States
• Demand CharacteristicsLate 20th century · United States
• Dual-Process TheoryLate 20th century · United States
• Executive FunctionsLate 20th century · United States
• Exposure and ExtinctionEarly 20th century · South Africa
• Gestalt Principles of PerceptionEarly 20th century · Germany
• Goal-Setting TheoryLate 20th century · United States
• GroupthinkLate 20th century · United States
• How Memory Works19th century · Germany
• Hypnosis19th century · United Kingdom
• Idiographic versus Nomothetic Approaches19th century · Germany
• Implicit BiasLate 20th century · United States
• Individualism and CollectivismContemporary · Netherlands
• Internal and External ValidityLate 20th century · United States
• Kohlberg's Stages of Moral DevelopmentLate 20th century · United States
• Levels of ExplanationLate 20th century · United Kingdom
• Localization of FunctionLate 20th century · France
• Loss AversionLate 20th century · Israel
• MetacognitionLate 20th century · United States
• Nature versus Nurture19th century · United States
• Neuroplasticity19th century · United States
• P-Hacking and HARKingLate 20th century · United States
• Phineas Gage and H.M.19th century · United States
• Problem-Solving HeuristicsLate 20th century · Germany
• Psychiatric ClassificationLate 20th century · United States
• Reliability and ValidityEarly 20th century · United States
• Research Ethics and Its FailuresEarly 20th century · United States
• Selective AttentionLate 20th century · United Kingdom
• Self-EfficacyLate 20th century · United States
• Sleep and DreamingLate 20th century · United States
• Social Facilitation and Social LoafingLate 20th century · United States
• Social Identity TheoryLate 20th century · United Kingdom
• Statistical PowerEarly 20th century · United States
• Statistical SignificanceEarly 20th century · United Kingdom
• Structuralism versus Functionalism19th century · United States
• The Adolescent BrainLate 20th century · United States
• The Biology of StressLate 20th century · United States
• The Biopsychosocial ModelLate 20th century · United States
• The Cognitive Model of EmotionLate 20th century · United States
• The Cognitive RevolutionLate 20th century · United States
• The Dodo Bird VerdictLate 20th century · United States
• The Dunning-Kruger EffectLate 20th century · United States
• The Fundamental Attribution ErrorLate 20th century · United States
• The Need to BelongLate 20th century · United States
• The Person-Situation DebateLate 20th century · United States
• The Placebo EffectLate 20th century · United States
• The Psychology of AttractionLate 20th century · United States
• The Replication CrisisContemporary · United States
• The Sapir-Whorf HypothesisEarly 20th century · United States
• The Stages of GriefLate 20th century · United States
• The Universality of Facial ExpressionsLate 20th century · United States
• The WEIRD-Sample CritiqueContemporary · Canada
• Theories of AggressionEarly 20th century · United States
• Theories of Color Vision19th century · United Kingdom
• Theories of EmotionEarly 20th century · United States
• Theories of IntelligenceEarly 20th century · United Kingdom
• Theory of MindLate 20th century · United States
• Weber's Law19th century · Germany
• Wisdom and Successful AgingContemporary · Germany

Thinkers

• Alfred AdlerEarly 20th century · Austria
• Carl JungEarly 20th century · Switzerland
• Daniel KahnemanLate 20th century · Israel
• Edward TolmanEarly 20th century · United States
• Erik EriksonLate 20th century · Germany
• Jean PiagetEarly 20th century · Switzerland
• Karen HorneyEarly 20th century · Germany
• Lev VygotskyEarly 20th century · Russia
• Sigmund Freud19th century · Austria
• Wilhelm Wundt19th century · Germany

Traditions

• BehaviorismLate 20th century · United States
• Gestalt PsychologyEarly 20th century · Germany
• Humanistic PsychologyLate 20th century · United States
• Positive PsychologyLate 20th century · United States

Mental models

• Deliberate PracticeLate 20th century · Sweden
• Double-Loop LearningLate 20th century · United States
• Dunbar's NumberLate 20th century · United Kingdom
• FlowLate 20th century · Hungary
• Gate Control Theory of PainLate 20th century · United Kingdom
• Maslow's Hierarchy of NeedsEarly 20th century · United States
• Self-Determination TheoryLate 20th century · United States
• Signal Detection TheoryLate 20th century · United States
• Sternberg's Triangular Theory of LoveLate 20th century · United States
• The Big Five Personality TraitsLate 20th century · United States
• The Elaboration Likelihood ModelLate 20th century · United States
• The Johari WindowLate 20th century · United States
• The Rubber Band ModelContemporary · Switzerland
• The Rubicon ModelLate 20th century · Germany
• The Seven Perspectives of Psychology19th century · Europe
• The Spacing Effect19th century · Germany
• The Transtheoretical ModelContemporary · United States
• The Working Memory ModelLate 20th century · United Kingdom
• The Yerkes-Dodson LawEarly 20th century · United States

Studies & experiments

• Asch's Conformity ExperimentsLate 20th century · United States
• Change Blindness and Inattentional BlindnessLate 20th century · United States
• Classical Conditioning19th century · Russia
• Insight LearningEarly 20th century · Germany
• Learned HelplessnessLate 20th century · United States
• Little AlbertLate 20th century · United States
• Milgram's Obedience ExperimentsLate 20th century · United States
• Observational LearningLate 20th century · United States
• Operant ConditioningEarly 20th century · United States
• Reconstructive MemoryLate 20th century · United States
• Split-Brain ResearchLate 20th century · United States
• The Bystander EffectLate 20th century · United States
• The Garcia EffectLate 20th century · United States
• The Stanford Prison ExperimentLate 20th century · United States

Concepts

• Alienation19th century · Germany
• Arguments for the Existence of GodMedieval · Europe
• EqualityClassical · Global
• Free Will and DeterminismAncient · Europe
• JusticeClassical · Global
• Legal Positivism19th century · United Kingdom
• LibertyClassical · Global
• Natural RightsEarly modern · United Kingdom
• Procedural JusticeLate 20th century · United States
• Rationalism and EmpiricismEarly modern · Europe
• RightsClassical · Global
• Sense and Reference19th century · Germany
• The Hard Problem of ConsciousnessLate 20th century · Australia
• The Problem of EvilAncient · Mediterranean
• The Problem of UniversalsAncient · Greece
• The State of NatureEarly modern · United Kingdom
• Theories of TruthAncient · Greece

Thinkers

• AristotleClassical · Greece
• ConfuciusAncient · China
• David HumeEnlightenment · United Kingdom
• Friedrich Nietzsche19th century · Germany
• G.W.F. Hegel19th century · Germany
• Hannah ArendtLate 20th century · Germany
• Immanuel KantEnlightenment · Germany
• Jeremy BenthamEnlightenment · United Kingdom
• John LockeEarly modern · United Kingdom
• John Stuart Mill19th century · United Kingdom
• Karl Marx19th century · Germany
• Ludwig WittgensteinEarly 20th century · Austria
• Michel FoucaultLate 20th century · France
• PlatoClassical · Greece
• René DescartesEarly modern · France
• SocratesClassical · Greece
• Thomas HobbesEarly modern · United Kingdom

Traditions

• Existentialism19th century · Europe
• PhenomenologyEarly 20th century · Germany
• PragmatismLate 20th century · United States
• StoicismClassical · Greece
• The Frankfurt SchoolEarly 20th century · Germany

Studies & experiments

• Mary's RoomLate 20th century · Australia
• The Brain in a VatLate 20th century · United States
• The Chinese RoomLate 20th century · United States
• What Is It Like to Be a Bat?Late 20th century · United States

Primary texts

• The RepublicClassical · Greece

Concepts

• Act UtilitarianismEnlightenment · United Kingdom
• Care EthicsLate 20th century · United States
• ConsequentialismLate 20th century · United Kingdom
• ContractarianismLate 20th century · United Kingdom
• ContractualismLate 20th century · United States
• Cultural RelativismLate 20th century · United States
• DeontologyEnlightenment · Germany
• Divine Command TheoryAncient · Global
• EmotivismEarly 20th century · United Kingdom
• Error TheoryLate 20th century · Australia
• EudaimoniaClassical · Greece
• HedonismAncient · Greece
• Human RightsEnlightenment · Global
• Hypothetical ImperativesEnlightenment · Germany
• Moral Anti-RealismLate 20th century · United Kingdom
• Moral IntuitionismLate 20th century · United Kingdom
• Moral LuckLate 20th century · United Kingdom
• Moral NihilismLate 20th century · Germany
• Moral RealismLate 20th century · United Kingdom
• Moral RelativismLate 20th century · Global
• Natural LawAncient · Europe
• Negative UtilitarianismLate 20th century · Austria
• PhronesisClassical · Greece
• Preference UtilitarianismLate 20th century · United Kingdom
• PrescriptivismLate 20th century · United Kingdom
• Rule UtilitarianismLate 20th century · United States
• SupererogationLate 20th century · United Kingdom
• The Acts and Omissions DistinctionLate 20th century · United Kingdom
• The Categorical ImperativeEnlightenment · Germany
• The Doctrine of Double EffectMedieval · Europe
• The Golden MeanClassical · Greece
• The Is-Ought ProblemEnlightenment · United Kingdom
• The Kingdom of EndsEnlightenment · Germany
• The Naturalistic FallacyEarly 20th century · United Kingdom
• The Open Question ArgumentEarly 20th century · United Kingdom
• UtilitarianismEnlightenment · United Kingdom
• Virtue EthicsClassical · Greece

Studies & experiments

• The Drowning ChildLate 20th century · Australia
• The Euthyphro DilemmaClassical · Greece
• The Experience MachineLate 20th century · United States
• The Mere Addition ParadoxLate 20th century · United Kingdom
• The Repugnant ConclusionLate 20th century · United Kingdom
• The Ticking Time BombLate 20th century · Global
• The Trolley ProblemLate 20th century · United Kingdom
• The Veil of IgnoranceLate 20th century · United States

Concepts

• FalsificationismEarly 20th century · Austria
• Paradigms and Scientific RevolutionsLate 20th century · United States
• The Problem of InductionEnlightenment · United Kingdom

Mental models

• Activation EnergyCross-era · Global
• AntifragilityContemporary · Lebanon
• Base RatesLate 20th century · Israel
• Bayesian UpdatingEnlightenment · United Kingdom
• Campbell's LawLate 20th century · United States
• Chesterton's FenceEarly 20th century · United Kingdom
• Conway's LawLate 20th century · United States
• Critical MassLate 20th century · Global
• EmergenceLate 20th century · Global
• Entropy19th century · Germany
• Expected ValueEarly modern · France
• Feedback Loops19th century · Global
• First Principles ThinkingAncient · Europe
• Gall's LawLate 20th century · United States
• Goodhart's LawLate 20th century · United Kingdom
• Hanlon's RazorLate 20th century · United States
• Inversion19th century · Germany
• Natural Selection19th century · United Kingdom
• Occam's RazorMedieval · United Kingdom
• Power Laws and Fat TailsLate 20th century · Global
• Probabilistic ThinkingLate 20th century · Global
• RedundancyCross-era · Global
• Regression to the Mean19th century · United Kingdom
• Second-Order ThinkingLate 20th century · Global
• The Black SwanContemporary · Lebanon
• The Circle of CompetenceLate 20th century · United States
• The Eisenhower MatrixLate 20th century · United States
• The Feynman TechniqueLate 20th century · United States
• The Lindy EffectLate 20th century · United States
• The Map Is Not the TerritoryEarly 20th century · Poland
• The Normal DistributionEnlightenment · Europe
• The Swiss Cheese ModelLate 20th century · United Kingdom
• Via NegativaCross-era · Global

Studies & experiments

• The Gettier ProblemLate 20th century · United States
• The Prisoner's DilemmaLate 20th century · United States
• The Ship of TheseusAncient · Greece

Concepts

• AccelerationCross-era · Global
• Action-reaction pairsEarly modern · United Kingdom
• Angular momentumCross-era · Global
• Center of mass and balanceCross-era · Global
• Circular motion and inward accelerationEarly modern · Europe
• Conservation of mechanical energyEarly modern · Europe
• Elastic and inelastic collisionsEarly modern · Europe
• Force as interactionEarly modern · United Kingdom
• Impulse and force over timeEarly modern · Europe
• Inertia and the persistence of motionCross-era · Global
• Kinetic energyEarly modern · Europe
• Kinetic friction and energy lossEnlightenment · Europe
• Mass as resistance to accelerationEarly modern · United Kingdom
• Momentum as quantity of motionEarly modern · Europe
• Motion graphsCross-era · Global
• Normal force and contact constraintsEarly modern · Europe
• Observation, measurement, and physical quantitiesCross-era · Global
• Physical models and idealizationCross-era · Global
• Position, distance, and displacementCross-era · Global
• Potential energy and configurationEarly modern · Europe
• Precision, accuracy, and uncertaintyCross-era · Global
• Reference frames and relative descriptionCross-era · Global
• Rotational inertiaCross-era · Global
• Speed and velocityCross-era · Global
• Static equilibriumCross-era · Global
• Static frictionCross-era · Italy
• Tension in strings and cablesClassical · Greece
• The relation between force, mass, and accelerationEarly modern · United Kingdom
• Torque and rotational effectCross-era · Global
• Two-dimensional motion and projectilesCross-era · Global
• Units, standards, and calibrationCross-era · Global
• Universal gravitationEarly modern · United Kingdom
• Weight and gravitational interactionEarly modern · United Kingdom
• Work as force through distance19th century · France

Mental models

• Dimensional analysis in physicsCross-era · Global

Concepts

• Angles, rotation, and radiansCross-era · Global
• Arithmetic operations as transformationsCross-era · Global
• Circles, radius, and piCross-era · Global
• Commutative, associative, and distributive structureCross-era · Global
• Congruence and similarityCross-era · Global
• Coordinates and reference framesCross-era · Global
• Counting and cardinalityCross-era · Global
• Cross product as oriented area and rotation19th century · Europe
• Dot product as alignment19th century · Europe
• Equality as a balance relationCross-era · Global
• Equations as constraintsCross-era · Global
• Fractions as numbers, ratios, and operatorsCross-era · Global
• Functions as machines and relationshipsCross-era · Global
• Graphs as pictures of relationshipsCross-era · Global
• Length, area, and volumeCross-era · Global
• Negative numbers as direction and debtCross-era · Global
• Patterns, sequences, and rulesCross-era · Global
• Place value and number basesCross-era · Global
• Points, lines, angles, and planesCross-era · Global
• Quantity before numberCross-era · Global
• Ratios, proportions, and similarityCross-era · Global
• Sine, cosine, and tangent as geometric ratiosCross-era · Global
• Symmetry and invarianceCross-era · Global
• The Pythagorean relationshipCross-era · Global
• Triangles and rigidityCross-era · Global
• Units and dimensional reasoningCross-era · Global
• Variables and unknownsCross-era · Global
• Vectors as directed quantities19th century · Europe
• Zero as number, placeholder, and boundaryCross-era · Global

Mental models

• Estimation and orders of magnitudeCross-era · Global

Concepts

• Beams, columns, and bucklingCross-era · Global
• Bearings, bushings, and friction managementCross-era · Global
• Engineering as constrained choiceCross-era · Global
• Fasteners and jointsCross-era · Global
• Gears, belts, chains, and transmissionsCross-era · Global
• Levers, linkages, cams, and motion conversionCross-era · Global
• Loads, load paths, and free-body thinkingCross-era · Global
• Safety factors and uncertaintyCross-era · Global
• Springs, dampers, and suspensionCross-era · Global
• Tension, compression, bending, torsion, and shearCross-era · Global
• Trusses, frames, and triangulationCross-era · Global
• Wheels, rolling resistance, and tractionCross-era · Global

Mental models

• Constraints, assumptions, and marginsCross-era · Global
• Failure modes and graceful degradationCross-era · Global
• Functional decompositionCross-era · Global
• Prototypes as questionsCross-era · Global
• Requirements and success criteriaCross-era · Global
• System boundaries and interfacesCross-era · Global
• Trade-off spaces and objective functionsCross-era · Global

Thinkers

• The BuddhaAncient · India

Traditions

• Advaita VedantaMedieval · India
• DaoismAncient · China
• Mahayana BuddhismAncient · India

Primary texts

• Ashtavakra GitaAncient · India
• The UpanishadsAncient · India