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Abstract In 2014, Christian List and I published a paper that delineated our view regarding what it takes for an agent to act freely. We suggested that this requires the action to be endorsed by the agent and caused by this endorsement and yet not be necessitated. Free action requires indeterminism at the agential level—the kind of indeterminism that is compatible with physical determinism. I still think that our proposal was on the right track, but I believe it needs elaboration. As we already noted in the paper, our formal modelling—a standard branching model—was too extensional, and therefore in need of revision. Also, on a substantive side, what we say about the causal component of our proposal does not quite take care of the danger of ‘flukishness’ of an undetermined action. It was this threat to agential control that the requirement of causation by endorsement was meant to disarm in the first place. But the threat still remains and needs to be confronted. Revising the formal model and finding a solution to the problem of flukishness are my two objectives in this paper.
Włodek Rabinowicz (Wed,) studied this question.