(motive : Lean.Compiler.LCNF.LetValue Lean.Compiler.LCNF.Purity.pure → Sort u_1) →
  (x : Lean.Compiler.LCNF.LetValue Lean.Compiler.LCNF.Purity.pure) →
    ((us : List Lean.Level) →
        (args : Array (Lean.Compiler.LCNF.Arg Lean.Compiler.LCNF.Purity.pure)) →
          motive (Lean.Compiler.LCNF.LetValue.const `Nat.succ us args ⋯)) →
      ((x : Lean.Compiler.LCNF.LetValue Lean.Compiler.LCNF.Purity.pure) → motive x) → motive x