A satisfiability tester for non-clausal propositional calculus (Q1111774)
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scientific article; zbMATH DE number 4076675
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A satisfiability tester for non-clausal propositional calculus |
scientific article; zbMATH DE number 4076675 |
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A satisfiability tester for non-clausal propositional calculus (English)
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1988
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An algorithm for satisfiability testing in propositional calculus with worst case complexity \(2^{(0.25+\epsilon)L}\) is presented, where L can be either the length of the input or the number of occurrences of literals in the expression. The algorithm proceeds by a careful choice of the ``branch'' variable and has the important feature that it does not need the testing expression to be in any normal form.
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divide and conquer algorithm
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algorithm for satisfiability testing
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propositional calculus
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