What Is the Criteria for a Double Effect?

The key to understanding the justification of a sappen jekt is note that that action is intelligible, whether there's an embryo in the fallopian tube or not. Even people who are not at all proportionalist end up treating the fourth criterion of the principal double effect about proportionality as if you could do a calculus. So this essentially just says taking the criteria for a double effect and saying we're just going to focus on the fourth one.