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  2. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    ANSWER: 1050 is divisible by 7. Vedic method of divisibility by osculation Divisibility by seven can be tested by multiplication by the Ekhādika. Convert the divisor seven to the nines family by multiplying by seven. 7×7=49. Add one, drop the units digit and, take the 5, the Ekhādika, as the multiplier. Start on the right.

  3. Dilworth's theorem - Wikipedia

    en.wikipedia.org/wiki/Dilworth's_theorem

    Proof of Dilworth's theorem via Kőnig's theorem: constructing a bipartite graph from a partial order, and partitioning into chains according to a matching Like a number of other results in combinatorics, Dilworth's theorem is equivalent to Kőnig's theorem on bipartite graph matching and several other related theorems including Hall's marriage ...

  4. Frobenius theorem (real division algebras) - Wikipedia

    en.wikipedia.org/wiki/Frobenius_theorem_(real...

    Let D be the division algebra in question.; Let n be the dimension of D.; We identify the real multiples of 1 with R.; When we write a ≤ 0 for an element a of D, we imply that a is contained in R.

  5. Euclid's lemma - Wikipedia

    en.wikipedia.org/wiki/Euclid's_lemma

    The two first subsections, are proofs of the generalized version of Euclid's lemma, namely that: if n divides ab and is coprime with a then it divides b. The original Euclid's lemma follows immediately, since, if n is prime then it divides a or does not divide a in which case it is coprime with a so per the generalized version it divides b.

  6. Mirsky's theorem - Wikipedia

    en.wikipedia.org/wiki/Mirsky's_theorem

    The height of a partially ordered set is defined to be the maximum cardinality of a chain, a totally ordered subset of the given partial order. For instance, in the set of positive integers from 1 to N, ordered by divisibility, one of the largest chains consists of the powers of two that lie within that range, from which it follows that the height of this partial order is + ⌊ ⁡ ⌋.

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    Editor’s note: This article discusses suicide and suicidal ideation. If you or someone you know is struggling or in crisis, help is available. Call or text 988 or chat at 988lifeline.org ...

  8. Coachella Valley Invitational will include 14 MLS and 6 NWSL ...

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    The Coachella Valley Invitational will include nearly half of the teams in Major League Soccer and the National Women's Soccer League as the preseason event continues to get bigger and bigger.

  9. Elle Fanning Embraces Elegant Minimalism in a Chic ... - AOL

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    Fanning kept the Michael Kors design looking put-together with sparse accessorizing, only adding a large diamond ring to her left hand. To complement the retro feel of her gown, the actor styled ...

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