Book CCXLII
The Ousia
On substance, being, that which truly exists
Chapters
1
The Substance
On that which stands under
“Ousia is substance. What truly exists independently. The being that needs no other.”
2
The Being
On existence itself
“Being is ousia in act. Existence happening. That there is something rather than nothing.”
3
The Essence
On what a thing is
“Essence is ousia as what. The substance that defines. Being as intelligible nature.”