 Following current discussions on grounding, let us define metaphysical foundationalism as the view according to which every fact is either ungrounded or grounded in ungrounded facts (see Dixon 2016 and Rabin &amp; Rabern 2016 for discussions on the view and its relations to other views in the vicinity). Metaphysical foundationalism entails that there are ungrounded facts. The converse entailment, of course, fails.