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  2. Multiset - Wikipedia

    en.wikipedia.org/wiki/Multiset

    Nicolaas Govert de Bruijn coined the word multiset in the 1970s, according to Donald Knuth. [3]: 694 However, the concept of multisets predates the coinage of the word multiset by many centuries. Knuth himself attributes the first study of multisets to the Indian mathematician Bhāskarāchārya, who described permutations of multisets around 1150.

  3. Twelvefold way - Wikipedia

    en.wikipedia.org/wiki/Twelvefold_way

    In combinatorics, the twelvefold way is a systematic classification of 12 related enumerative problems concerning two finite sets, which include the classical problems of counting permutations, combinations, multisets, and partitions either of a set or of a number.

  4. Permutation - Wikipedia

    en.wikipedia.org/wiki/Permutation

    A k-combination of a set S is a k-element subset of S: the elements of a combination are not ordered. Ordering the k-combinations of S in all possible ways produces the k-permutations of S. The number of k-combinations of an n-set, C(n,k), is therefore related to the number of k-permutations of n by: (,) = (,) (,) = _! =!

  5. Combination - Wikipedia

    en.wikipedia.org/wiki/Combination

    In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations).For example, given three fruits, say an apple, an orange and a pear, there are three combinations of two that can be drawn from this set: an apple and a pear; an apple and an orange; or a pear and an orange.

  6. Teen Drove Home for Cookies, Then Vanished Before Being ... - AOL

    www.aol.com/teen-drove-home-cookies-then...

    Around 7 p.m. on December 1, 2017, deputies with the Park County Sheriff’s Office were called to a house fire at a home in Bailey, Colo. The 911 caller told a dispatcher that there were people ...

  7. This derm-approved moisturizer is the secret to a younger ...

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    What to know about ELEMIS Pro-Collagen Marine Cream. Texture: Lightweight gel-cream. Ingredients: Ginko Biloba, Mimosa, Padina Pavonica (marine collagen). Other benefits: Oil free, paraben free ...

  8. Combinations and permutations - Wikipedia

    en.wikipedia.org/wiki/Combinations_and_permutations

    Combinations and permutations in the mathematical sense are described in several articles. Described together, in-depth: Twelvefold way; Explained separately in a more accessible way: Combination; Permutation; For meanings outside of mathematics, please see both words’ disambiguation pages: Combination (disambiguation) Permutation ...

  9. Intermittent fasting paired with exercise may be best for ...

    www.aol.com/intermittent-fasting-paired-exercise...

    Exercise was performed during eating windows and the types of exercise included aerobic, resistance, or a combination of the two. In some studies, there was also a calorie restriction for both groups.