fact: Definition is_om (t : term') := is_inductive t ∧ ∀ is_inductive $0 ~> sub' t`[↑] $0.
imports: Undecidability.FOL.Util.Syntax Undecidability.FOL.Util.sig_bin Undecidability.FOL.Util.FullTarski Undecidability.FOL.Util.FullDeduction List