The ability to act on one’s Free Will.

  • A paralyzed person does not have free action

Philosophers

Free Action 1 (Hard Determinism Version)

To have been able to have chosen to do otherwise, an agent’s action must have not been determined

Free Action 2 (Compatibilism Version)

To have been able to have chosen to do otherwise, an agent’s action must have been without Constraints

Schools of Thought