All ontology after Parmenides has been secretly idealist

Evidence

Since that time, all ontology has been idealist. At first it was idealist without realizing it, then it was idealist for its own sake, and ultimately it has become idealist against the desperate will of theoretical reflection, which seeks to break out of the mind’s self-established limits as an in-itself, into the in-itself. — Rolf Wiggershaus, The Frankfurt School, 2278

Categorization

  • XREF: Echoes the standing claim about Western metaphysics being trapped in the circle of the thinking subject, resonant with Horkheimer and Adorno’s Dialectic of Enlightenment themes. — connects to: Parmenides invented metaphysics based on logic that influenced subsequent philosophy — Bertrand Russell, History of Western Philosophy, 275; Dialectical critique exposes ontology as disguised history — Fredric Jameson, Marxism and Form, 694; Plato through German idealism grounded reason in an objective hierarchy of beings. — Rolf Wiggershaus, The Frankfurt School: Its History,…, 1457 (+3 more)

Broader Connections