Concepts
Conjecture
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Concepts
Conjecture
Proposition in mathematics that is unproven
legendary · Q319141
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P versus NP problem
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Unclassified
Hard problem of consciousness
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Problem of evil
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Concepts
Terraforming
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Is–ought problem
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Gettier problem
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Related cards · scientific hypothesis
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Concepts
Dark energy
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Linguistic relativity
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Cold fusion
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Organizations
Lysenkoism
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Gaia hypothesis
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Giant-impact hypothesis
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Related cards · proposition
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Concepts
9/11 conspiracy theories
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Chemtrail conspiracy theory
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Blood libel
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Concepts
Ancient astronauts
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Concepts
Binomial nomenclature
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Alford plea
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