🌐ItalianoEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsРусскийالعربيةEntityQ3354893· pop 7legge di composizione internaAlso known as internal composition law, internal law of compositionfunction f: S × S → SAvailable in 7 languagesEspañolFrançaisDeutschItalianoالعربيةEstonianvia Wikidata sitelinks · CC0Connectionsbinary operationEntity