The case of PRO
Icelandic case agreement suggests that nominative case is active in PRO infinitives in much the same way as in finite clauses, thus posing a difficult and a long-standing problem for generative (GB and minimalist) case theory and the PRO Theorem. In this article, I examine the Icelandic facts in detail, illustrating that the unmarked and common nominative morphology in Icelandic PRO infinitives is
