A handle of a right-sentential form γ is a production A ->β and a position of γ where the string β may be found and replaced by A to produce the previous right-sentential form in a rightmost derivation of γ.
A handle of a right-sentential form γ is a production A ->β and a position of γ where the string β may be found and replaced by A to produce the previous right-sentential form in a rightmost derivation of γ.