ST II-II, q. 154

Of the Parts of Lust

We must now consider the parts of lust, under which head there are twelve points of inquiry:

(1) Into what parts is lust divided?

(2) Whether simple fornication is a mortal sin?

(3) Whether it is the greatest of sins?

(4) Whether there is mortal sin in touches, kisses and such like seduction?

(5) Whether nocturnal pollution is a mortal sin?

(6) Of seduction;

(7) Of rape;

(8) Of adultery;

(9) Of incest;

(10) Of sacrilege;

(11) Of the sin against nature;

(12) Of the order of gravity in the aforesaid sins.

Articles

  1. a. 1Whether six species are fittingly assigned to lust?
  2. a. 2Whether simple fornication is a mortal sin?
  3. a. 3Whether fornication is the most grievous of sins?
  4. a. 4Whether there can be mortal sin in touches and kisses?
  5. a. 5Whether nocturnal pollution is a mortal sin?
  6. a. 6Whether seduction should be reckoned a species of lust?
  7. a. 7Whether rape is a species of lust, distinct from seduction?
  8. a. 8Whether adultery is determinate species of lust, distinct from the other species?
  9. a. 9Whether incest is a determinate species of lust?
  10. a. 10Whether sacrilege can be a species of lust?
  11. a. 11Whether the unnatural vice is a species of lust?
  12. a. 12Whether the unnatural vice is the greatest sin among the species of lust?

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