🌐EnglishEnglishItalianoفارسی中文EntityQ431411· pop 5· linked from 336 articlesground expressionlogical expression whose terms do not contain any variablesAvailable in 5 languagesItalianoHungarianUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsfirst-order logicEntitysemantic theory of truthEntityCategoriesLogical expressionsMathematical logic