Erdős 97 convex-octagon formalization: Residual Algebra02 #
theorem
Erdos97Octagon.residualRepresentative02_not_realises
{p : Vertex → Plane}
(hp : Function.Injective p)
:
Residual class 2 has no injective planar realisation.
Residual class 2 has no injective planar realisation.