Nonterminals useless in grammar Terminals unused in grammar Rules useless in grammar Rules useless in parser due to conflicts Grammar Terminals, with rules where they appear Nonterminals, with rules where they appear 0 on@left: , on@right: State : . . /* empty */ [ ] , shift, and go to state go to state error ( ) [ accept reduce using rule ( ) ] Conflict between rule and token resolved as an ( ).