Renamable Horn (Boolean Satisfiability)
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Description
Renamable Horn asks the question whether or not there exists a subset of variables that can be negated such that the boolean formula is turned into a Horn formula
Related Problems
Generalizations: Horn SAT
Related: SAT, Conjunctive Normal Form SAT, Disjunctive Normal Form SAT, 1-in-3SAT, Monotone 1-in-3SAT, Monotone Not-Exactly-1-in-3SAT, All-Equal-SAT, Not-All-Equal 3-SAT (NAE 3SAT), Monotone Not-All-Equal 3-SAT (Monotone NAE 3SAT), k-SAT, 2SAT, 3SAT, 3SAT-5, 4SAT, Monotone 3SAT, XOR-SAT, Dual-Horn SAT, MaxSAT
Parameters
$n$: number of variables
$m$: number of clauses
Table of Algorithms
| Name | Year | Time | Space | Approximation Factor | Model | Reference |
|---|---|---|---|---|---|---|
| Lewis | 1978 | $O(mn^{2})$ | Exact | Deterministic | Time |