{motive : Lean.Meta.InductionSubgoal → Sort u} →
  (t : Lean.Meta.InductionSubgoal) →
    ((mvarId : Lean.MVarId) →
        (fields : Array Lean.Expr) →
          (subst : Lean.Meta.FVarSubst) → motive { mvarId := mvarId, fields := fields, subst := subst }) →
      motive t