fact: Fixpoint list_or (A : list form) : form := match A with | nil => ⊥ | phi::A => phi ∨ list_or A end.
imports: Lia Arith Undecidability.PCP.PCP Undecidability.PCP.Util.PCP_facts Undecidability.Synthetic.DecidabilityFacts Undecidability(FOL.Utils.FullSyntax) Undecidability(FOL.FSAT) Undecidability.Shared.ListAutomation