If a test of dependence shows no significant results, that's not conclusive because of complex, nonlinear, and quantum 'functions'.

How are effect lag and lead expressed in said notation for expressing causal charts?

Should we always assume that t is a monotonically-increasing series, or is it just how we typically sample observations? Can traditional causal inference describe time crystals?

What is the quantum logical statistical analog of mutual information?

Are there pathological cases where mutual information and quantum information will not discover a relationship?

Does Quantum Mutual Information account for Quantum Discord if it only uses von Neumann definition of entropy?