The

**inverse image**of $E \subseteq Y$ with respect to $f$ is the D11: Set \begin{equation} f^{-1}(E) : = \{ x \in X : f(x) \in E \} \end{equation}

▼ | Set of symbols |

▼ | Alphabet |

▼ | Deduction system |

▼ | Theory |

▼ | Zermelo-Fraenkel set theory |

▼ | Set |

▼ | Binary cartesian set product |

▼ | Binary relation |

▼ | Map |

Children

▶ | D2947: Level set |

Results