③苇大 Fo|low集 The follow set of a nonterminal A is the set of terminal symbols that can appear immediately to the right of a in a valid sentential form a bit more formally for every valid sentential form S ->UAv, where v begins with some terminal that terminal is in FollOw(A)Follow 集 The follow set of a nonterminal A is the set of terminal symbols that can appear immediately to the right of A in a valid sentential form. A bit more formally, for every valid sentential form S =>*uAv , where v begins with some terminal, that terminal is in Follow(A)