Examine the argument that justice is the same kind of thing as piety (330c-331b; pp. 25-26). Are the premises true? Are the conclusions valid?

P1: Justice is some thing, not no thing.
P2: Justice itself is a thing.
P3: Justice itself is a just kind of thing.
P4: No one virtue is the same kind of thing as any other.

C1: Piety is not a just kind of thing.
C2: Piety is an unjust kind of thing.