If it is true that...

Different grades of perfection in participated forms or natures diversify the species

and

Essence exists in substances composed of matter and form, where existence is both received and limited

Then it must be true that...

Accidents have incomplete definitions because they cannot be defined without a subject

If it is true that...

Essence exists in substances composed of matter and form, where existence is both received and limited

Then it must be true that...

Substantial form and matter do not have complete essences individually, but together they form a complete essence