Ethicist: Only when we know a lot about the events that led to an action are we justified in praising or blaming a person for that action-as we sometimes are.
Evidence
Only when we know J → KE a lot about the events that led to an action are we justified in praising or blaming a person for that action.
Conclusion
We must therefore ~(KE → ~RFP) reject Tolstoy’s rash claim that if we knew a lot about the events leading up to any action, we would cease to regard that action as freely performed.
This can also be KE ↢some↣ RFP expressed as, there are some actions for which we know a lot about the events that led to that action that we would regard as freely performed.
Evaluate
The argument assumes J → RFP that to be justified in praising or blaming a person for an action we must regard that action as freely performed.