Viewpoints relative to a given duality are viewpoints that concerne a given duality A/Ā.
Examples (js): viewpoint relative to the [Quantitative/Qualitative]
Internal/External
Quantitative/Qualitative
Visible/Invisible
Absolute/Relative
Abstract/Concrete
Static/Dynamic
Diachronic/Synchronic
Single/Multiple
Extension/Restriction
Aesthetic/Practical
Precise/Vague
Finite/Infinite
Single/compound, Individual/Collective
Analytical/Synthetic
Implicit/Explicit
Voluntary/Involuntary
Similar notions: Viewpoint of a pole
