query: De-arrangement in permutation and combination
positive_passages.docid: 23701
positive_passages.text: I have a problem understanding the proof of Rencontres numbers (Derangements)
negative_passages.docid: 98744
negative_passages.text: How to distinguish between permutation and combination questions?
negative_passages.docid: 93748
negative_passages.text: Alternative to Subsets to generate k-combinations
negative_passages.docid: 89474
negative_passages.text: every permutation is either even or odd,but not both
negative_passages.docid: 56135
negative_passages.text: Find all permutations with a condition
negative_passages.docid: 8049
negative_passages.text: Generating Combinations
negative_passages.docid: 41008
negative_passages.text: how many permutations of {1,2,...,9}
negative_passages.docid: 24212
negative_passages.text: proving how many permutations exist.
negative_passages.docid: 69827
negative_passages.text: Set conditions at a permutation
negative_passages.docid: 18788
negative_passages.text: Derangements of multisets
negative_passages.docid: 57822
negative_passages.text: Number of ways to choose two disjoint subsets of a set
negative_passages.docid: 80183
negative_passages.text: Deduction of "Disjunction elimination"
negative_passages.docid: 58103
negative_passages.text: number of permutations in which no two consecutive numbers are adjacent
negative_passages.docid: 20636
negative_passages.text: Algorithm for finding numerical permutation given lexicographic index
negative_passages.docid: 40151
negative_passages.text: What's the algorithm of finding the convex combination of permutation matrices for a doubly stochastic matrix?
negative_passages.docid: 133497
negative_passages.text: Group Membership Test for Permutations
negative_passages.docid: 68882
negative_passages.text: Path to Combinatorics Problem [$1.11$]