Scope note:
This property associates an instance of E89 Propositional Object with a structural part of it that is by itself an instance of E89 Propositional Object.
Examples:
- Dante's "Divine Comedy" (E89) has component Dante's "Hell" (E89)
In First Order Logic:
P148(x,y) ⊃ E89(x)
P148(x,y) ⊃ E89(y)