  This article shows in detail the computations made for the poster presented
at the Symposium "Frontiers of Fundamental Physics" in July 2014. As was shown
in a previous publication, a quantum gravity formulation exists on the basis of
abstract quantum number conservation, the laws of thermodynamics, unspecific
interactions, and locally maximising the ratio of resulting degrees of freedom
per imposed degree of freedom of the theory. The first law of thermodynamics
was evaluated by imposing boundary conditions on small volumes of optimised
dimension (3+1). As a consequence, no explicit microscopic quantum structure
was required in order to recover all well established physics as special cases
(Quantum Field Theory, QFT, and General Relativity, GR) and compute all
measurable quantities. This article presents the generalised action in terms of
tetrads and shows how this action may be related to the spin of generalised
matter fields, especially for fermionic matter.
