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- Inverted_spectrum abstract "Inverted spectrum is the hypothetical concept of two people sharing their color vocabulary and discriminations, although the colors one sees — one's qualia — are systematically different from the colors the other person sees. The concept dates back to John Locke. It invites us to imagine that we wake up one morning, and find that for some unknown reason all the colors in the world have been inverted. Furthermore, we discover that no physical changes have occurred in our brains or bodies that would explain this phenomenon. Supporters of the hypothesis of qualia as non-physical entities argue that, since we can imagine this happening without contradiction, it follows that we are imagining a change in a property that determines the way things look to us, but that has no physical basis. In more detail:Metaphysical identity holds of necessityIf something is possibly false, it is not necessaryIt is conceivable that qualia could have a different relationship to physical brain-statesIf it is conceivable, then it is possibleSince it is possible for qualia to have a different relationship with physical brain-states, they cannot be identical to brain states (by 1).Therefore, qualia are non-physical.The argument thus states that if we find the inverted spectrum plausible, we must admit that qualia exist (and are non-physical). Some philosophers find it absurd that an "armchair argument" can prove something to exist, and the detailed argument does involve many assumptions about conceivability and possibility, which are open to criticism. Perhaps it is not possible for a given brain state to produce anything other than a given quale in our universe, and that is all that matters.The idea that an inverted spectrum would be undetectable is also open to criticism on more scientific grounds:Inverted spectrum arguments have applications to behavioralism, physicalism, representationalism, functionalism, skepticism and the hard problem of consciousness.In his book I Am A Strange Loop, Douglas Hofstadter argues that the inverted spectrum argument entails a form of solipsism in which people can have no idea about what goes on in the minds of others—contrary to the central theme of his work. He presents several variants to demonstrate the absurdity of this idea: the "inverted political spectrum", in which one person's concept of liberty is identical to another's concept of imprisonment; an inverted "sonic spectrum" in which low musical notes sound like "high" ones and vice versa (which he says is impossible because low sounds can be felt physically as vibrations); and a version in which random, complex qualia such as riding a roller coaster or opening presents are reversed, so that everyone perceives the world in radically different, unknowable ways.".
- Inverted_spectrum thumbnail Inverted_qualia_of_colour_strawberry.jpg?width=300.
- Inverted_spectrum wikiPageExternalLink qualia-inverted.
- Inverted_spectrum wikiPageExternalLink inverted_spectrum.htm.
- Inverted_spectrum wikiPageID "1757522".
- Inverted_spectrum wikiPageLength "6255".
- Inverted_spectrum wikiPageOutDegree "37".
- Inverted_spectrum wikiPageRevisionID "679859902".
- Inverted_spectrum wikiPageWikiLink Behavioralism.
- Inverted_spectrum wikiPageWikiLink Category:Color.
- Inverted_spectrum wikiPageWikiLink Category:Thought_experiments_in_philosophy.
- Inverted_spectrum wikiPageWikiLink Color.
- Inverted_spectrum wikiPageWikiLink Direct_and_indirect_realism.
- Inverted_spectrum wikiPageWikiLink Douglas_Hofstadter.
- Inverted_spectrum wikiPageWikiLink Dualism_(philosophy_of_mind).
- Inverted_spectrum wikiPageWikiLink Functionalism_(philosophy_of_mind).
- Inverted_spectrum wikiPageWikiLink Hard_problem_of_consciousness.
- Inverted_spectrum wikiPageWikiLink I_Am_A_Strange_Loop.
- Inverted_spectrum wikiPageWikiLink I_Am_a_Strange_Loop.
- Inverted_spectrum wikiPageWikiLink Identity_(philosophy).
- Inverted_spectrum wikiPageWikiLink Imprisonment.
- Inverted_spectrum wikiPageWikiLink John_Locke.
- Inverted_spectrum wikiPageWikiLink Knowledge_argument.
- Inverted_spectrum wikiPageWikiLink Liberty.
- Inverted_spectrum wikiPageWikiLink Logical_possibility.
- Inverted_spectrum wikiPageWikiLink Map–territory_relation.
- Inverted_spectrum wikiPageWikiLink Marys_Room.
- Inverted_spectrum wikiPageWikiLink Modal_logic.
- Inverted_spectrum wikiPageWikiLink Musical_note.
- Inverted_spectrum wikiPageWikiLink Musical_notes.
- Inverted_spectrum wikiPageWikiLink Non-physical_entity.
- Inverted_spectrum wikiPageWikiLink Ontological_argument.
- Inverted_spectrum wikiPageWikiLink Philosophical_zombie.
- Inverted_spectrum wikiPageWikiLink Philosophical_zombies.
- Inverted_spectrum wikiPageWikiLink Philosophy_of_mind.
- Inverted_spectrum wikiPageWikiLink Philosophy_of_perception.
- Inverted_spectrum wikiPageWikiLink Physicalism.
- Inverted_spectrum wikiPageWikiLink Political_spectrum.
- Inverted_spectrum wikiPageWikiLink Qualia.
- Inverted_spectrum wikiPageWikiLink Representationalism.
- Inverted_spectrum wikiPageWikiLink Skepticism.
- Inverted_spectrum wikiPageWikiLink Solipsism.
- Inverted_spectrum wikiPageWikiLink Subjective_character_of_experience.
- Inverted_spectrum wikiPageWikiLink Voice_inversion.
- Inverted_spectrum wikiPageWikiLink Wikt:hypothetical.
- Inverted_spectrum wikiPageWikiLink File:Inverted_qualia_of_colour_strawberry.jpg.
- Inverted_spectrum wikiPageWikiLinkText "Inverted spectrum".
- Inverted_spectrum wikiPageWikiLinkText "inverted spectrum".
- Inverted_spectrum hasPhotoCollection Inverted_spectrum.
- Inverted_spectrum wikiPageUsesTemplate Template:Reflist.
- Inverted_spectrum subject Category:Color.
- Inverted_spectrum subject Category:Thought_experiments_in_philosophy.
- Inverted_spectrum hypernym Concept.
- Inverted_spectrum type Argument.
- Inverted_spectrum type Technique.
- Inverted_spectrum comment "Inverted spectrum is the hypothetical concept of two people sharing their color vocabulary and discriminations, although the colors one sees — one's qualia — are systematically different from the colors the other person sees. The concept dates back to John Locke. It invites us to imagine that we wake up one morning, and find that for some unknown reason all the colors in the world have been inverted.".
- Inverted_spectrum label "Inverted spectrum".
- Inverted_spectrum sameAs Spectre_inversé.
- Inverted_spectrum sameAs 逆転クオリア.
- Inverted_spectrum sameAs m.05tlmm.
- Inverted_spectrum sameAs Q6060549.
- Inverted_spectrum sameAs Q6060549.
- Inverted_spectrum wasDerivedFrom Inverted_spectrum?oldid=679859902.
- Inverted_spectrum depiction Inverted_qualia_of_colour_strawberry.jpg.
- Inverted_spectrum isPrimaryTopicOf Inverted_spectrum.