{P : Sort u_1} →
  {α : Type u} →
    {β : Type v} →
      {γ : Type w} →
        {t : Std.Roc.Sliceable α β γ} →
          {α' : Type u} →
            {β' : Type v} →
              {γ' : Type w} →
                {t' : Std.Roc.Sliceable α' β' γ'} →
                  α = α' → β = β' → γ = γ' → t ≍ t' → Std.Roc.Sliceable.noConfusionType P t t'