[...] just like the determination between the definitions [...], so also the determination between the operations can be viewed as a selection or as a specification.
- Hjelmslev (1961), Pag. 30-31

[...] we can define [...] ‘determination’ as a function between a constant and a variable [...].
- Hjelmslev (1961), Pag. 35

A process and a system that belongs to it (“lies behind it”) together contract a function, which, depending on the point of view, may be conceived as a relation or as a correlation. A closer investigation of this function soon shows us that it is a determination in which the system is the constant: ‘the process determines the system’ [...] the existence of a system is a necessary premiss for the existence of a process [...].
- Hjelmslev (1961), Pag. 39

Determination between terms in a process we call ‘selection’, and determination between terms in a system, ‘specification’.
- Hjelmslev (1961), Pag. 25

The unilateral dependences, in which the one term presupposes the other but not ‘vice versa’, we call ‘determinations’.
- Hjelmslev (1961), Pag. 24