tableness

When Plato spoke of tableness and cupness, Diogenes the Cynic said: 'I see a table and a cup, to be sure, but not tableness and cupness.' 'Right,' answered Plato; 'for you have eyes wherewith to see the table and the cup, but mind, by which one sees tableness and cupness, you have not (νου̑ν οὐκ ἔχεις).'