(2) core predication = π1 pred (arg)n (σ1) n The “core predication” consists of the nuclear predication, extended by predicate operators π1 and Level-1 satellites σ1. These elements have in common that they specify additional features of the internal constitution of the SoA [state of affairs] designated by the predication.
- Dik (1989), a pag.247

The predication itself can be divided into three different levels: the “nuclear predication”, the “core predication”, and the “extended predication” […] the core predication consists of the nuclear predication, extended by predicate operator(s) π1, and (n) Level 1satellites σ1; […].
- Dik (1989), a pag.67