fact: Definition up (σ : nat -> term) := scons (var 0) (funcomp (subst_term (funcomp var S)) σ).
imports: Undecidability.Synthetic(Definitions DecidabilityFacts EnumerabilityFacts ListEnumerabilityFacts ReducibilityFacts) Undecidability(Shared.ListAutomation) Undecidability(Shared.Libs.PSL.Vectors.Vectors)