!=

See also: Appendix:Variations of "="

Translingual

Etymology

Introduced by the B programming language, which also used "!" for boolean negation,[1] and inherited by its successor C. Later adopted more widely.

Symbol

!=

  1. (programming) In some programming languages, an operator that compares two values for inequality, yielding a true result if they differ.

Synonyms

Antonyms

References
  1. Why was `!` chosen for negation? - Retrocomputing, Stack Exchange, 2021
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