## Discussion Forum

Que. | Which is not the correct statement ? |

a. | The class of regular sets is closed under homomorphisms. |

b. | The class of regular sets is not closed under inverse homomorphisms. |

c. | The class of regular sets is closed under quotient. |

d. | The class of regular sets is closed under substitution. |

Answer:The class of regular sets is not closed under inverse homomorphisms. |