 (On mind-body identity, see e.g. Delahunty 1985; Della Rocca 1996; Jarrett 1991; C. Marshall 2009; on its relation to mind-body intentionality, Garrett 2018: ch.15; Hübner forthcoming; for solutions to the barrier violation, e.g. Della Rocca 1996, Hübner forthcoming, 2019.)