[Closed] if Object A is the reference of object B

A Reference is a form of a clone where the baseobject is the same like in an Instance, but at some point along the modifier stack a Derived Object is inserted (shown as “Modified Object” entry in the TrackView and a thick line in the Stack View) which allows independent modifiers to be hosted above that point.

In other words, Reference objects will claim to NOT be instances, but their base objects will be the same. So you could say

fn areNodesReferences objA objB = 
(
not areNodesInstances objA objB and objA.baseobject == objB.baseobject
)

very very thank you ,and happy to meet you here !