/summa/TP/TPIII/TP_Q90:
We must now consider the parts of Penance: (1) in general. (2) each one in particular.
Under the first head there are four points of inquiry:
(1) Whether Penance has any parts?
(2) Of the number of its parts;
(3) What kind of parts are they?
(4) Of its division into subjective parts.