Full Idea
A state of affairs pertains to a thing if it implies the thing to have a certain property.
Gist of Idea
A state of affairs pertains to a thing if it implies that it has some property
Source
Roderick Chisholm (Person and Object [1976], 1.4)
Book Reference
Chisholm,Roderick: 'Person and Object' [Open Court 1976], p.30
A Reaction
For this to work, we must include extrinsic and relational properties, and properties which are derived from mere predication. I think this is bad metaphysics, and leads to endless confusions.