\[HumpDownHump]
• Infix similarity operator.
• x y is by default interpreted as HumpDownHump[x, y].
• Used to indicate geometrical equivalence.
• See Section 3.10.4.
• See also: \[HumpEqual] , \[NotHumpDownHump] .
Usage
\[HumpDownHump] Notes
y is by default interpreted as HumpDownHump[x, y]. 
