So I shall leave that task to someone else, I do, however, have two lines of complaint about Hartshorne's view of apriori truths. (religion-online.org)
The former are empirical claims, the latter apriori metaphysical ones. (religion-online.org)
For reasons having to do with his theory of apriori metaphysics, discussed below, he does not take up this question. (religion-online.org)