Emptiness And Metaethics: Dōgen's Anti-Realist Solution

The doctrine of emptiness presents a problem for Buddhist metaethics, in that it seems to restrict the range of admissible entities in a way that excludes moral facts. In the absence of such entities, what foundation can we give to moral practice? I suggest that the Japanese Zen philosopher/monk Dōgen (1200–1253) solves the problem by going anti-realist, and that his solution can inform the broader discussion of Buddhist metaethics.