# diagonal intersection

If $$ is a sequence then the *diagonal intersection*, $$ is defined to be $$.

That is, $\beta $ is in $$ if it is contained in the first $\beta $ members of the sequence.

Title | diagonal intersection |
---|---|

Canonical name | DiagonalIntersection |

Date of creation | 2013-03-22 12:53:17 |

Last modified on | 2013-03-22 12:53:17 |

Owner | Henry (455) |

Last modified by | Henry (455) |

Numerical id | 5 |

Author | Henry (455) |

Entry type | Definition |

Classification | msc 03E99 |

Defines | diagonal intersection |