I see no issue redefining terms so long as the new definition is explicated and clear. Furthermore, I do not think physicality is a criterium for causality in any mainstream (philosophical or otherwise) definitions in the literature.
I don't see what the causal relationships would be between mentality--it is all immaterial mind operations. — Bob Ross
Rational explanations do not reveal the same sorts of causal connections that explanations in the natural sciences do. Rather, rational causation draws on the theoretical and practical inferential abilities of human beings.
But whenever we apply the results of logic and rational inference to a practical outcome, isn't that an instance of mental causation, in some sense?
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