  We provide a numerical refutation of the developments of Fiorini et al.
(2015)* for models with disjoint sets of descriptive variables. We also provide
an insight into the meaning of the existence of a one-to-one linear map between
solutions of such models.
  *: Fiorini, S., S. Massar, S. Pokutta, H.R. Tiwary, and R. de Wolf (2015).
Exponential Lower Bounds for Polytopes in Combinatorial Optimization. Journal
of the ACM 62:2, Article No. 17.
