An undecidable fragment of the theory of set constraints
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Publication:1274577
DOI10.1016/S0020-0190(98)00152-5zbMath0909.68067MaRDI QIDQ1274577
Publication date: 12 January 1999
Published in: Information Processing Letters (Search for Journal in Brave)
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Grid structures and undecidable constraint theories, The \(\exists\forall^2\) fragment of the first-order theory of atomic set constraints is \(\Pi_1^0\)-hard
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