Full Idea
Only Tallness and nothing else really is tall; everything else merely participates in the Forms and, being excluded from the realm of Being, belongs to the inferior world of Becoming.
Gist of Idea
Only Tallness really is tall, and other inferior tall things merely participate in the tallness
Source
Alexander Nehamas (Introduction to 'Virtues of Authenticity' [1999], p.xxviii)
Book Reference
Nehamas,Alexander: 'Virtues of Authenticity' [Princeton 1999], p.-9
A Reaction
This is just as weird as the normal view (and puzzle of participation), but at least it makes more sense of 'metachein' (partaking).