SENSE-BEING.
4. What is the common element in these three things (matter, form and their combination)? What constitutes their (sublunary, mundane or) earthly "being"? Is it because matter, form and their combination form a foundation for other things? In that case, as matter is the foundation, or seat of form, then form will not be in the genus of "being." But, as the combination also forms foundation for other things, then form united to matter will be the subject of the combinations, or rather, of all the things which are posterior to the combination, as quantity, quality, and movement.