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Home > Publications > Some undecidable problems related to the Herbrand theorem
Some undecidable problems related to the Herbrand theorem

We improve upon a number of recent undecidability results related to the so­called Herbrand Skeleton Problem, the Simultaneous Rigid E-­Unification Problem and the prenex fragment of intuitionistic logic with equality.

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Type: TechReport
Number: 138
Series: UPMAIL Technical Reports
Institution: Uppsala University, Computing Science Department