## Closure properties of Context Free Grammar

Closure Property | Status |
---|---|

Union | Yes |

Intersection | No |

Set Difference | No |

Compliment | No |

Intersection with Regular Language | Yes |

Concatination | Yes |

Kleen Closure | Yes |

Kleen Plus | Yes |

Reversal | Yes |

Homomorphism | Yes |

ε-free Homomorphismx | Yes |

Inverse Homomorphism | Yes |

Substitution | Yes |

ε-free Substitution | Yes |