 Recall that, according to Ability 2, an agent S has the ability to immediately perform the first fully specific act-set in an intentionally maximal act-set if and only if S would perform this fully specific act-set if S wanted to do so, and by extension we may assume Jones can perform each of (1)–(4). Under this assumption,  (G+)  implies that although Jones would ⟨change lanes⟩ if she were to ⟨not accelerate⟩, Jones nevertheless ought to do something that requires her to ⟨not accelerate⟩, viz. ⟨not change lanes &amp; not accelerate⟩. To see how (G+) differs from the versions of actualism in  section 3,  consider the following version of Professor Procrastinate: