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