Fishacre was himself influenced largely by the works and personality of Robert Grosseteste.
Fishacre is unique in his belief that the soul is like the modern idea of a ghost.
The Oxford Dominican accepted universal hylomorphism without doubt.
Fishacre was uncertain, as were his Oxford colleagues, concerning the unity or plurality of forms in the soul.
Fishacre asserted that the soul shares the form of rationality with angels.