Definition
Modal realism is the view propounded by the philosopher David Lewis that all possible worlds are real in the same way as is the actual world: they are "of a kind with this world of ours." It states that possible worlds exist, possible worlds are not different in kind from the actual world, possible worlds are irreducible entities, and the term actual in actual world is indexical, i.e. any subject can declare their world to be the actual one, much as they label the place they are "here" and the time they are "now".
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AbbreviationAbhidharmaAbsolute idealismAcademic SkepticismAchintya Bheda AbhedaAction theory (philosophy)ActualismAdvaita VedantaAesthetic emotionsAestheticsAfrican philosophyAfricana philosophyAgency (philosophy)AgriculturalismAjñanaAlethic modalityAlvin PlantingaAmerican philosophyAmie ThomassonAnalytic philosophyAnalytical MarxismAnalytical feminismAnarchismAncient Egyptian philosophyAncient Greek philosophyAncient Roman philosophyAncient philosophyAnekantavadaAnti-realismAntihumanismApplied ethicsApplied philosophyAristotelianismAtomismAugustinianismAustralian philosophyAverroismAvicennismAxiomAztec philosophyBehaviorismBhedabhedaBob Fischer (philosopher)British idealismBritish philosophyBuddhist philosophyByzantine philosophyCartesianismCausalityChan BuddhismCharvakaChinese philosophyChristian philosophyChurch FathersClassical RealismClassical liberalismCoherentismCollectivism and individualismCommon-senseCommunitarianismCompatibilismConceptualismConfucianismConsequentialismConservatismContemporary philosophyContinental philosophyCounterpart theoryCritical rationalismCritical theoryCynicism (philosophy)CyrenaicsCzech philosophyDanish philosophyDavid Lewis (philosopher)DeconstructionDeontologyDeterminismDispositioDutch philosophyDvaita VedantaEarly modern philosophyEastern philosophyEdo neo-ConfucianismEleaticsEliminative materialismEmergentismEmpiricismEpicureanismEpiphenomenalismEpistemological particularismEpistemologyEretrian schoolEthicsEthiopian philosophyEvent (philosophy)EvilExistenceExistentialismExperimental philosophyExtended modal realismFalsifiabilityFeminist philosophyFideismFormalism (art)FoundationalismFour-dimensionalismFrankfurt SchoolFree willFrench philosophyFunctionalism (philosophy of mind)German idealismGerman philosophyGottfried Wilhelm LeibnizHard determinismHard incompatibilismHegelianismHellenistic philosophyHermeneuticsHeuristicHilary PutnamHindu philosophyHistoricismHistory of philosophyHistory of philosophy in FinlandHistory of philosophy in PolandHolismHuayanHumanismIdealismIlluminationismImpossible worldImpossible worldsIncompatibilismIndexicalityIndian philosophyIndigenous American philosophyIndividualismIndonesian philosophyInfinityInstitutional theory of artInternalism and externalismIonian School (philosophy)Iranian philosophyIrreducible (philosophy)Islamic philosophyItalian idealismItalian philosophyJ. 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RossJapanese philosophyJewish philosophyJohn RawlsJudeo-Islamic philosophies (800–1400)KalamKantianismKokugakuKorean ConfucianismKorean philosophyKrausismKyoto SchoolLegal positivismLegalism (Chinese philosophy)Libertarianism (metaphysics)Linguistic modalityList of Slovene philosophersList of Turkish philosophersLiteral and figurative languageLogicLogical positivismLogical possibilityLogically possibleLudwig WittgensteinMadhyamakaMany-worlds interpretationMarxist philosophyMaterialismMathematical universe hypothesisMazdakismMedieval philosophyMegarian schoolMeta-ethicsMetaphilosophyMetaphorMetaphysical naturalismMetaphysicsMiddle Eastern philosophyMiddle PlatonismMind–body dualismMithraismModal logicModern philosophyModernismMohismMonismMoral absolutismMoral nihilismMoral obligationMoral particularismMoral realismMoral skepticismMoral universalismMoralityMultiverseMīmāṃsāNatural languageNatural lawNaturalism (philosophy)Naturalized epistemologyNavya-NyāyaNeo-ConfucianismNeo-KantianismNeo-MarxismNeo-scholasticismNeoplatonismNeopythagoreanismNew ConfucianismNew historicismNewtonianismNihilismNimbarka SampradayaNominalismNorm (philosophy)Normative ethicsNyayaObjective idealismObjectivismObjectivity (philosophy)Occam's razorOccamismOn the Plurality of WorldsOntological commitmentOntologyOrdinary language philosophyOutline of philosophyPakistani philosophyPeripatetic schoolPeter Forrest (philosopher)Phenomenology (philosophy)Philosophical methodologyPhilosophical pessimismPhilosophical realismPhilosophical skepticismPhilosophyPhilosophy in CanadaPhilosophy in MaltaPhilosophy in TaiwanPhilosophy of Friedrich NietzschePhilosophy of Søren KierkegaardPhilosophy of educationPhilosophy of informationPhilosophy of languagePhilosophy of mathematicsPhilosophy of mindPhilosophy of religionPhilosophy of sciencePhysicalismPlatonic AcademyPlatonismPolitical philosophyPositivismPossible worldPossible worldsPost-structuralismPostanalytic philosophyPostcritiquePosthumanismPostmodern philosophyPractical philosophyPragmatismPre-Socratic philosophyPrinciple of plenitudeProcess philosophyPudgalavadaPyrrhonismPythagoreanismQuantification (logic)Quietism (philosophy)RationalismRealityReduction (philosophy)ReductionismReformed epistemologyRelativismRenaissance humanismRenaissance philosophyRobert Merrihew AdamsRobert StalnakerRomanian philosophyRussian cosmismRussian philosophySamkhyaSarvastivadaSaul KripkeSautrāntikaScholasticismSchool of NamesSchool of NaturalistsSchool of the SextiiScientific realismScientific skepticismScientismScotismScottish philosophySecond SophisticSet (mathematics)Set theoryShuddhadvaitaSocial constructionismSocial contractSocial philosophySocialismSolipsismSophistSpacetimeSpanish philosophySpinozismStoicismStructuralismSubjective idealismSubjectivismSubjunctive possibilitySufi philosophySvatantrika–Prasaṅgika distinctionSystemicsSyādvādaTaoismTheoretical philosophyThomismTiantaiTibetan BuddhismTransactionalismTranscendental idealismTranscendentalismTu quoqueUbuntu philosophyUtilitarianismVaisheshikaValue theoryVedantaVienna CircleVietnamese philosophyVirtue ethicsVishishtadvaitaWestern MarxismWestern philosophyWillard Van Orman QuineXuanxueYangismYoga Sutras of PatanjaliYogacharaYugoslav philosophyZenZoroastrianismZurvanismĀjīvikaŚūnyatā
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