- Variable — variable from initial problem.
Example: x1; x3
- Literal — variable with value.
Example: -x1; -x2; x3
- Clause — set of literals, Input is set of clauses.
Example: (x1 x2 -x3)
- Unit clause — clause with all
false
literals except one, which is undefined. - Lemma — clause created by
analyzeConflict()