Special notations for Repetitive Constructs Repetition A→Ac|B〔 left recursive),and A>aaB right recursive) where a and Bare arbitrary strings of terminals and non-terminals and In the first rule b does not begin with A and In the second B does not end with aSpecial Notations for Repetitive Constructs • Repetition – A → A  |  (left recursive), and – A →  A |  (right recursive) • where  and  are arbitrary strings of terminals and non-terminals, and – In the first rule  does not begin with A and – In the second  does not end with A