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  2. List of paradoxes - Wikipedia

    en.wikipedia.org/wiki/List_of_paradoxes

    Buttered cat paradox: Humorous example of a paradox from contradicting proverbs. Intentionally blank page: Many documents contain pages on which the text "This page intentionally left blank" is printed, thereby making the page not blank. Metabasis paradox: Conflicting definitions of what is the best kind of tragedy in Aristotle's Poetics.

  3. Bootstrapping (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Bootstrapping_(disambiguation)

    Bootstrapping (linguistics), a term used in language acquisition. Bootstrapping (statistics), a method for assigning measures of accuracy to sample estimates. Bootstrap aggregating, a method used to improve the stability and accuracy of machine learning algorithms. Bootstraps, the stage name of American singer and songwriter Jordan Beckett.

  4. Less-than sign - Wikipedia

    en.wikipedia.org/wiki/Less-than_sign

    Less-than sign. The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the left, <, has been found in documents dated as far back as the 1560s. In mathematical writing, the less-than sign is typically placed between two values ...

  5. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign ( +) and the minus sign ( −) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.

  6. Plus–minus sign - Wikipedia

    en.wikipedia.org/wiki/Plus–minus_sign

    Plus–minus sign. The plus–minus sign, ±, is a symbol with multiple meanings: In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. In statistics and experimental sciences, the sign commonly indicates the confidence interval or uncertainty ...

  7. Bootstrapping - Wikipedia

    en.wikipedia.org/wiki/Bootstrapping

    In computer technology, the term bootstrapping refers to language compilers that are able to be coded in the same language. (For example, a C compiler is now written in the C language. Once the basic compiler is written, improvements can be iteratively made, thus pulling the language up by its bootstraps).

  8. S-matrix theory - Wikipedia

    en.wikipedia.org/wiki/S-matrix_theory

    String theory. S-matrix theory was a proposal for replacing local quantum field theory as the basic principle of elementary particle physics . It avoided the notion of space and time by replacing it with abstract mathematical properties of the S -matrix. In S -matrix theory, the S -matrix relates the infinite past to the infinite future in one ...

  9. 5 - Wikipedia

    en.wikipedia.org/wiki/5

    5 ( five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. The first Pythagorean triple. Five is the third-smallest prime number, [1] equal to the sum of the only consecutive positive integers to also be prime numbers ( 2 + 3 ).