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  2. Nabla symbol - Wikipedia

    en.wikipedia.org/wiki/Nabla_symbol

    The nabla is a triangular symbol resembling an inverted Greek delta: [1] or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word νάβλα for a Phoenician harp, [2] [3] and was suggested by the encyclopedist William Robertson Smith in an 1870 letter to Peter Guthrie Tait.

  3. Reproducibility - Wikipedia

    en.wikipedia.org/wiki/Reproducibility

    Reproducibility, closely related to replicability and repeatability, is a major principle underpinning the scientific method.For the findings of a study to be reproducible means that results obtained by an experiment or an observational study or in a statistical analysis of a data set should be achieved again with a high degree of reliability when the study is replicated.

  4. Wedge (symbol) - Wikipedia

    en.wikipedia.org/wiki/Wedge_(symbol)

    In Unicode, the symbol is encoded U+2227 ∧ LOGICAL AND (∧, ∧) and by \wedge and \land in TeX. The opposite symbol (∨) is called a vel, or sometimes a (descending) wedge. Some authors who call the descending wedge vel often call the ascending wedge ac (the corresponding Latin word for "and", also spelled "atque"), keeping their ...

  5. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    Complementary antonyms are word pairs whose meanings are opposite but whose meanings do not lie on a continuous spectrum (push, pull). Relational antonyms are word pairs where opposite makes sense only in the context of the relationship between the two meanings (teacher, pupil). These more restricted meanings may not apply in all scholarly ...

  6. Converse (semantics) - Wikipedia

    en.wikipedia.org/wiki/Converse_(semantics)

    Converses can be understood as a pair of words where one word implies a relationship between two objects, while the other implies the existence of the same relationship when the objects are reversed. [ 3 ] Converses are sometimes referred to as complementary antonyms because an "either/or" relationship is present between them.

  7. Obsolete and nonstandard symbols in the International ...

    en.wikipedia.org/wiki/Obsolete_and_nonstandard...

    some English phoneticians and phonologists use acute and grave accents as primary and secondary stress symbols. Some linguists [14] use the circumflex as weakened primary stress in compound words and the breve as no stress. these symbols are also written on the English spellings not just other IPA symbols. ̩, ̍: Vertical line below or above ...

  8. Glossary of mathematical symbols - Wikipedia

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

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

  9. Binary opposition - Wikipedia

    en.wikipedia.org/wiki/Binary_opposition

    The political (rather than analytic or conceptual) critique of binary oppositions is an important part of third wave feminism, post-colonialism, post-anarchism, and critical race theory, which argue that the perceived binary dichotomy between man/woman, civilized/uncivilised, and white/black have perpetuated and legitimized societal power structures favoring a specific majority.