"Gun ownership is a safe, desirable, and effective method of combatting crime. Therefore all adult citizens should be legally required to own a gun."
The argument begins by offering reasons (which we do not dispute here) why it is desirable for adults to own guns. It concludes that such ownership should be legally required. Which form of the fallacy leads to this incorrect inference?
Fallacy Form 1 (Inverse):
If X is immoral (or undesirable), then X should be illegal.
Fallacy Form 2 (Converse):
If X should be legal, then X is moral (or desirable).
Fallacy
Form 3 (Inverse Reformulated):
If X is moral (or desirable), then X should be legally required.
Fallacy
Form 4 (Converse Reformulated):
If X should not be legally required, then X is not moral (or desirable).
