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Skolem Normal Form
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Skolemization is a method for removing existential quantifiers from formal logic statements, often performed as the first step in an automated theorem prover. A formula of first-order logic is in Skolem normal form (named after Thoralf Skolem) if it is in conjunctive prenex normal form with only universal first-order quantifiers. Every first-order formula can be converted into Skolem normal form while not changing its satisfiability via a process called Skolemization. The resulting formula is not necessarily equivalent to the original one, but is equisatisfiable with it: it is satisfiable if and only if the original one is. This equivalence is useful because the definition of first-order satisfiability implicitly existentially quantifies over the evaluation of function symbols. In particular, a first-order formula is satisfiable if there exists a model M and an evaluation of the free variables of the formula that evaluate the formula to true.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130581169
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Größe H220mm x B220mm
- EAN 9786130581169
- Format Fachbuch
- Titel Skolem Normal Form
- Herausgeber Betascript Publishing
- Anzahl Seiten 84
- Genre Mathematik
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