| Interface | Description | 
|---|---|
| NodeChange | 
 Information about one modification of one node 
 | 
| Class | Description | 
|---|---|
| NodeChangeAddFormula | 
 Information about a formula that has been added to a node (the
 position given is the position of the formula within the new
 sequent) 
 | 
| NodeChangeARFormula | 
 Information about a formula that has been added or removed from a
 node 
 | 
| NodeChangeJournal | 
 Collect changes applied to a node during a given period of time 
 | 
| NodeChangeRemoveFormula | 
 Information about a formula that has been removed from a node (the
 position given is the position of the formula within the new
 sequent) 
 | 
| NodeChangesHolder | |
| NodeRedundantAddChange | 
 An instance of this class informs the listerns if a formula has been
 tried to add to the sequent 
 | 
| NodeReplacement | 
 Information about a node replacing its parent after a rule
 application, currently giving information about added and removed
 formulas 
 | 
| RuleAppInfo | 
 More specific information about a rule application (currently
 information about added and removed formulas) 
 |