Original sentence: Lewis wrote Miracles[31], Quantum Mechanics (and physical indeterminism) was only in the initial stages of acceptance, he stated the logical possibility that if the physical world was proved to be indeterministic this would provide an entry (interaction) point into the traditionally viewed closed system, where a scientifically described physically probable/improbable event could be philosophically described as an action of a non physical entity on physical reality (noting that under a physicalist point of view the non physical entity must be independent of the self identity or mental processing of the sentient being)
Edited sentence: Lewis wrote Miracles, Quantum Mechanics (and physical indeterminism) was only in the initial stages of acceptance, he stated the logical possibility that if the physical world was proved to be indeterministic this would provide an entry (interaction) point into the traditionally viewed closed system, where a scientifically described physically probable/improbable event could be philosophically described as an action of a non physical entity on physical reality (noting that under a physicalist point of view the non physical entity must be independent of the self identity or mental processing of the sentient being).Libertarianism holds onto a concept of free will that requires the individual to be able to take more than one possible course of action under a given set of circumstances.Metaphysical libertarianism is one philosophical view point under that of incompatiblism