Protagoras · Philosophy
Protagoras’ relativism rests on a picture of a world in flux, perceived by perceivers who are themselves changing, so that perception is always an interaction yielding truth-for-each. Plato linked this to Heraclitus’ doctrine that all things flow - and argued that on such a view, no stable truth, not even Protagoras’ own, can be stated.
You learned that Protagoras’ relativism was linked (by Plato) to the Heraclitean doctrine that all things are in flux: since both the perceived object and the perceiving subject are constantly changing, perception is an interaction between them, and what is perceived exists only in that fleeting meeting - true for tha…
Leads to Heraclitus.
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