Erdős 97 convex-octagon formalization: Residual Algebra06 #
theorem
Erdos97Octagon.residualRepresentative06_not_realises
{p : Vertex → Plane}
(hp : Function.Injective p)
:
Residual class 6 has no injective planar realisation.
Residual class 6 has no injective planar realisation.