🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةفارسی日本語EntityQ5318387· pop 8· linked from 20 articlesdyadtitle used by the Pythagoreans for the number two, representing the principle of "twoness" or "otherness"Available in 8 languagesFrançaisPortuguêsالعربيةBahasa IndonesiaHungarianhywفارسیvia Wikidata sitelinks · CC0ConnectionsmonadEntityphilosophyEntityCategoriesConcepts in ancient Greek metaphysicsPythagorean philosophy