when alchemy conceived of itself as an opus contra naturam, ‘natura’ did not refer to nature in our positivistic, materialistic sense, nature as mere fact and physical reality at large, because such a sense did not yet exist.
Giegerich argues that the ‘nature’ opposed in the alchemical opus was the imaginal, fantastically perceived substance of pre-modern experience, not the positivistic nature that emerged only after alchemy’s decline.
, The Soul’s Logical Life Towards a Rigorous Notion of, 2020thesis