Question: Vice Versa and Mothering were both what?
Sentence (from "Metaphysical necessity"): In philosophy, metaphysical necessity, sometimes called broad logical necessity, is one of many different kinds of necessity, which sits between logical necessity and nomological (or physical) necessity, in the sense that logical necessity entails metaphysical necessity, but not vice versa, and metaphysical necessity entails physical necessity, but not vice versa.
Relevant evidence: No