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  • Conull set

    Conull set

    In measure theory, a conull set is a set whose complement is null, i.e., the measure of the complement is zero. For example, the set of irrational numbers is a conull subset of the real line with L

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  • Sierpiński triangle

    Sierpiński triangle

    The Sierpiński triangle, also called the Sierpiński gasket or Sierpiński sieve, is a fractal with the overall shape of an equilateral triangle, subdivided recursively into smaller equilateral trian

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  • Measure zero

    Measure zero

    In mathematical analysis, a null set is a Lebesgue measurable set of real numbers that has measure zero. This can be characterized as a set that can be covered by a countable union of intervals of

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  • Row equivalence

    Row equivalence

    This article includes a list of general references, but it lacks sufficient corresponding inline citations.Please help to improve this article by introducing more precise citations. (September 2012

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  • Almost everywhere

    Almost everywhere

    In measure theory (a branch of mathematical analysis), a property holds almost everywhere if, in a technical sense, the set for which the property holds takes up nearly all possibilities. The notio

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  • Psoas major

    Psoas major

    The psoas major (/ˈ s oʊ . ə s / or /ˈ s oʊ . æ s / ; from Ancient Greek: ψόᾱ , romanized: psóā , lit. 'muscles of the loins') is a long fusiform muscle located in the lateral lumbar region between

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  • Almost surely

    Almost surely

    In probability theory, an event is said to happen almost surely (sometimes abbreviated as a.s.) if it happens with probability 1 (with respect to the probability measure). In other words, the set o

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  • Invertible matrix

    Invertible matrix

    In linear algebra, an invertible matrix (non-singular, non-degenarate or regular) is a square matrix that has an inverse. In other words, if some other matrix is multiplied by the invertible matrix

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  • Phellinus ellipsoideus

    Phellinus ellipsoideus

    Phellinus ellipsoideus (formerly Fomitiporia ellipsoidea) is a species of polypore fungus in the family Hymenochaetaceae, a specimen of which produced the largest fungal fruit body ever recorded. F

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  • Matrix similarity

    Matrix similarity

    In linear algebra, two n-by-n matrices A and B are called similar if there exists an invertible n-by-n matrix P such that B=P−1AP.{\displaystyle B=P^{-1}AP.} Similar matrices represent the same lin

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