Section FULL_TRAKHTENBROT.
Let finite_t_bpcp_syms : finite_t Σbpcp_syms.
Let discrete_bpcp_syms : discrete Σbpcp_syms.
Let discrete_bpcp_rels : discrete Σbpcp_rels.

Corollary FULL_TRAKHTENBROT_non_informative Σ :
(exists r, 2 <= ar_rels Σ r)
\/ (exists f r, 2 <= ar_syms Σ f /\ ar_rels Σ r = 1)
-> BPCP_problem ⪯ FSAT Σ.