Credulous Acceptance Probability

Given a semantics $\sigma$, the probability that an argument $a \in A$ of a PAF is credulously accepted is the sum of the probabilities of all subframeworks $F'$ in which $a$ is credulously accepted: $P_{\sigma,c}(a) = \sum_{F' : a \in \bigcup \sigma(F')} P(F')$.