 [a]gent probabilities are to be thought of as conditional probabilities, assessed from the agent’s perspective under the supposition that antecedent condition is realized ab initio, as a free act of the agent concerned. Thus the agent probability that one should ascribe to \(B\) conditional on \(A\) is the probability that \(B\) would hold were one to choose to realize \(A\). (1993: 190)