{G : Type u_1} →
  {X : Type u_2} →
    [inst : Group G] →
      [inst_1 : MulAction G X] →
        {motive : MulAction.IsQuasiPreprimitive G X → Sort u} →
          ([toIsPretransitive : MulAction.IsPretransitive G X] →
              (isPretransitive_of_normal :
                  ∀ {N : Subgroup G} [N.Normal],
                    MulAction.fixedPoints (↥N) X ≠ Set.univ → MulAction.IsPretransitive (↥N) X) →
                motive ⋯) →
            (t : MulAction.IsQuasiPreprimitive G X) → motive t