B3 represents one of Parmenides’ most complex and enigmatic texts. Its doxographic tradition is both very scarce and very late, but above all involved in theological (Christian) schemes (Clement of Alexandria) or in metaphysical (pagan) research (Plotin and Proclus). Both Clement and Plotin, the only witnesses quoting B3, are not unreliable. The goodness of their quotation is not in doubt and the contexts in which the fragment is quoted provide some clues suitable for promoting acknowledging its original sense, even if understanding Parmenides’ notion of identity between νοεῖν and εἶναι in theological or Neoplatonic perspective has been judged little acceptable. Through syntactic, morphological, semantic, and intertextual observations Parme...