If I dive onto the grenade, everyone else will be saved but I will die. If I dive away from the grenade, I will avoid major injuries, but many of my fellow soldiers will die. In the comments, Manzi interpreted this as being close to what I would call hard rule-utilitarianism.Suppose we are soldiers on patrol and a grenade lands in the middle of us. In my follow-up to James Manzi’s manifesto, I brought up a notion that I call soft rule-utilitarianism.