# Condition of LL(3) grammer

To find out whether a grammar G is LL(1) or not, we test this condition among other conditions, "If whenever A -> alpha | beta are two distinct productions of G, alpha and beta can't derive string beginning with the same terminal.What should be the corresponding condition for a LL(3) grammar?

• "beginning with the same three terminals".
– rici
Sep 7 at 15:36