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gptkb:NEXPTIME
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whether NEXPTIME = EXPTIME
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gptkb:proton_mass_puzzle
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how most of the proton mass arises from QCD dynamics rather than quark masses
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gptkb:Grand_Unification
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proton decay not yet observed
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gptkb:PSPACE
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NP vs PSPACE
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gptkb:coNP
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NP vs coNP
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gptkb:Unique_Games_problem
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Unique Games Conjecture validity
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gptkb:PSPACE_vs_EXPTIME
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Is PSPACE = EXPTIME?
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gptkb:PSPACE
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gptkb:P_vs_PSPACE
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gptkb:EXPTIME
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gptkb:P_vs_EXPTIME
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gptkb:Suslin_lines
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Existence is independent of ZFC
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gptkb:NP_(complexity_class)
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Is P equal to NP?
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gptkb:NEXPTIME
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whether NEXPTIME = PSPACE
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gptkb:co-NP_(complexity_class)
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Is NP equal to co-NP?
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gptkb:EXPTIME
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EXPTIME vs PSPACE
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gptkb:continuum_(set_theory)
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gptkb:continuum_hypothesis
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gptkb:Perfect_Number_Problem
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Infinitude of perfect numbers
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gptkb:BPP_(complexity_class)
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Is P = BPP?
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gptkb:BPP_(complexity_class)
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Is BPP = NP?
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gptkb:Unique_Games_problem
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polynomial-time solvability
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gptkb:PSPACE_(complexity_class)
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Is PSPACE = EXPTIME?
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