She is well known for her opposition to orthodoxy in current analytic philosophy of mind, and for her use of J. L. Austin's Speech Act Theory to look at the effects of pornography.
Hornsby earned her PhD from the University of Cambridge under the direction of Bernard Williams.
Hornsby's action theory is significantly influenced by the philosophy of Donald Davidson.
This ambiguity noted, Hornsby then points out that if A VT-s B, then A caused B to VI ('T' and 'I' serving to distinguish between transitive and intransitive uses of the relevant verbs).
The final move is to claim that we know from physiology that the causes of bodily movementsI are events that occur beneath the surface of the skin.
[3] She was elected international honorary member of the American Academy of Arts & Sciences in April 2018.