2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35470This supplementary part of the paper gr-qc 9312038 contains the necessary proofs of the claims stated in the main part.14 pages, uuencoded compressed PostScript, no numberGeneral Relativity and Quantum CosmologyOn the alternative description of complex holomorphic and Lorentz geometries in four dimensions. II. Appendixtext