biplicity
/ˈbɪplɪsɪti/Definitions
1. noun
The state or quality of being double or two-fold; duality.
“The concept of biplicity is essential in understanding the dual nature of human existence.”
2. noun
A tendency to see or think of things in pairs or dualities.
“Her biplicity led her to compare every situation to a yin-yang balance.”