Renamable Horn: Difference between revisions

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== Parameters ==  
== Parameters ==  


n: number of variables
$n$: number of variables


m: number of clauses
$m$: number of clauses


== Table of Algorithms ==  
== Table of Algorithms ==  

Latest revision as of 08:53, 10 April 2023

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