 The concept was later adopted by other philosophers, such as Leibniz, who referred to the monad as an elementary particle.It had a geometric counterpart, which was debated and discussed contemporaneously by the same groups of people.According to Hippolytus, the worldview was inspired by the Pythagoreans, who called the first thing that came into existence the "monad", which begat (bore) the dyad (from the Greek word for two), which begat the numbers, which begat the point, begetting lines or , etc.