 Again, if we want to use this notion of an intervention to elucidate what it is for \(X\) to cause \(Y\) it is natural to move to a counterfactual formulation in the sense that what matters for whether \(X\) causes \(Y\) is what would happen to \(Y\) if an intervention on \(X\) of the sort described above were to occur. Following what has become an established usage I will call such counterfactuals, the antecedents of which correspond to claims about interventions (If \(X\) were set to value \(x\) under an intervention, then…) interventionist counterfactuals. These are the counterfactuals that (under some interpretation, perhaps not necessarily involving Pearl’s particular notion of an intervention) seem most suitable for formulating a manipulability theory of causation.