Generic LTMS interface
Updating the clauses in ?
- add-clause (clause, ?)
- delete-clause (clause, ?)
Propositional inference
- consistent? (?)
- follows-from? (literal, ?)
Justification structure
- supporting-clause (literal, ?)
- supporting-literals (literal, ?)
- the supporting-clause together with the supporting-literals entail literal
- each literal in supporting-literals follows from ?
- ? is a special literal denoting a contradiction