, 236C-237B), but he clearly is deeply influenced here by Plotinus
; cf. Enneads
, II, 4:8f., where matter is analyzed as a substratum without quantity or quality; and 4:15: "Matter, then, must be described as to apeiron (the indefinite). . . . Matter is indeterminateness and nothing else." In short, materia informis
is sheer possibility; not anything and not nothing!