29 4 * s + 18 * s^2 + 16 * s^3 + 4 * s^4 30 31/-- The diagonal of any degree-2 RCL-family combiner with boundary 32`Phi(a,0)=2a`, written in the same local coordinate `a=s+s^2`. -/
used by (4)
From the project-wide theorem graph. These declarations reference this one in their body.