Full Idea
Stoics reduce the number of primary categories, some of them new. They divide them into four: substrates [underlying things], qualities [qualified things], dispositions [things in a certain state], and relative dispositions [with respect to something].
Gist of Idea
Stoics have four primary categories: substrates, qualities, dispositions, relative dispositions
Source
report of Stoic school (fragments/reports [c.200 BCE]) by Simplicius - On Aristotle's 'Categories' 1b25 8.66.32
Book Reference
'The Stoics Reader', ed/tr. Inwood,B/Gerson,L.P. [Hackett 2008], p.91
A Reaction
[a precious rare quote on stoic categories] Not sure of the status of the glosses in square brackets. I very much like 'dispositions' as a basic category. Substrates are elusive beasts. Is this list 'objects, qualities, dispositions, relations'?