Back to Philosophy 33 Index Back to Optional Reading Index Class Notes Prof. The ancient focus on knowledge was psychological, not normative.
Reality certainly does appear to change.
As Heraclitus emphasized, everything seems to be in constant flux. This was obvious to everyone. Two resolutions were suggested before Plato came on the scene. Parmenides suggested that change is an illusion. Reality is knowable, but not by perception, which reveals only diversity and change, but by reflection, which reveals one unified and unchanging reality.