5

Footnote 5

Two John Austin, Lectures on Jurisprudence 939-44 (4th ed. 1873); Restatement (Second) of Contracts § 72 comment c (1982) and statutory note preceding § 110 (1982) (what is here termed a "ceremonial" function is termed a "cautionary" function in the Restatement); Perillo, supra note 3, at 53-56; Fuller, supra note 4, at 800; Rudolf von Jhering, Geist des römischen Rechts § 45, at 494-98 (8th ed. 1883) (hereinafter "Jhering").