Pre-Socratic While the lack of information makes it difficult in some cases to be sure of the details, the following pre-Socratic philosophers thought in monistic terms: Thales: Water Anaximander: Apeiron (meaning 'the undefined infinite'). Reality is some, one thing, but we cannot know what. Anaximenes of Miletus: Air Heraclitus: Change, symbolized by fire (in that everything is in constant flux). Parmenides: Being or Reality is an unmoving perfect sphere, unchanging, undivided.
Pre-Socratic While the lack of information makes it difficult in some cases to be sure of the details, the following pre-Socratic philosophers thought in monistic terms: Thales: Water Anaximander: Apeiron (meaning 'the undefined infinite'). Reality is some, one thing, but we cannot know what. Anaximenes of Miletus: Air Heraclitus: Change, symbolized by fire (in t.hat everything is in constant flux). Parmenides: Being or Reality is an unmoving perfect sphere, unchanging, undivided.