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  2. Table of mathematical symbols by introduction date - Wikipedia

    en.wikipedia.org/wiki/Table_of_mathematical...

    unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) 1670 (with the horizontal bar over the inequality sign, rather than below it) John Wallis: 1734 (with double horizontal bar below the inequality sign) Pierre Bouguer

  3. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    fullwidth plus sign u+ff1c < fullwidth less-than sign u+ff1d = fullwidth equals sign u+ff1e > fullwidth greater-than sign u+ff3c \ fullwidth reverse solidus u+ff3e ^ fullwidth circumflex accent u+ff5c | fullwidth vertical line u+ff5e ~ fullwidth tilde u+ffe2 ¬ fullwidth not sign u+ffe9 ← halfwidth leftwards arrow u+ffea ...

  4. List of inequalities - Wikipedia

    en.wikipedia.org/wiki/List_of_inequalities

    1.7 Number theory. 1.8 Probability theory and statistics. 1.9 Topology. 2 Inequalities particular to physics. 3 See also. ... Milman's reverse Brunn–Minkowski ...

  5. Edit distance - Wikipedia

    en.wikipedia.org/wiki/Edit_distance

    d (a, b) = d (b, a) by equality of the cost of each operation and its inverse. Triangle inequality: d (a, c) ≤ d (a, b) + d (b, c). [5] Levenshtein distance and LCS distance with unit cost satisfy the above conditions, and therefore the metric axioms. Variants of edit distance that are not proper metrics have also been considered in the ...

  6. Inequality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Inequality_(mathematics)

    The feasible regions of linear programming are defined by a set of inequalities. In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. [1] It is used most often to compare two numbers on the number line by their size.

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  8. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +. ÷ (division sign)

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