🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусский한국어中文日本語EntityQ2114682· pop 17· linked from 76 articlesIverson bracketmathematical notation: [P] has the value 1 if P is true, and 0 if P is falseAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCzechGalicianHebrewConnectionsmathematicsEntityprogramming languageEntityCategoriesMathematical notation