Heracliteanism

But he has no analysis of sensible perception such as Plato attributes to him; nor is there any reason to suppose that he pushed his philosophy into that absolute negation in which Heracliteanism was sunk in the age of

Theaetetus 2007

Heracliteanism was provided by Aristotle in his doctrine of forms and essences; Aquinas, also, would have our knowledge to be of the eternal essences, though derived by way of contemplation of contingent individuals.

The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI 1840-1916 1913

Heracliteanism had grown to be almost identical with the famous doctrine of the sophist Protagoras, that the momentary, sensible apprehension of the individual was the only standard of what is or is [132] not, and each one the measure of all things to himself.

Marius the Epicurean — Volume 1 Walter Pater 1866

The entire modern theory of "development," in all its various phases, proved or unprovable, -- what is it but old Heracliteanism awake once more in a new world, and grown to full proportions?

Plato and Platonism Walter Pater 1866