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status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|

repetition number in this series | 0 | memorised on | scheduled repetition | ||||

scheduled repetition interval | last repetition or drill |

status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|

repetition number in this series | 0 | memorised on | scheduled repetition | ||||

scheduled repetition interval | last repetition or drill |

e A GNU Free Documentation License B Hints and Answers to Selected Exercises C Notation Index Colophon Authored in PreTeXt ðŸ”— Section 1.2 Sets and Equivalence Relations ðŸ”— Subsection Set Theory ðŸ”— <span>A set is a well-defined collection of objects; that is, it is defined in such a manner that we can determine for any given object x x whether or not x x belongs to the set. The objects that b

status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|

repetition number in this series | 0 | memorised on | scheduled repetition | ||||

scheduled repetition interval | last repetition or drill |