[§4.] What is the rule in regard to drunkards?

[§5.] What is mentioned as the second requisition to a valid contract? How must assent be given?

[§6.] What is next mentioned as necessary to a valid contract? What is a consideration?

[§7.] What is the effect of mutual promises? How must they be made? How when the parties are distant?

[§8.] Why are gratuitous promises void? In what case are subscriptions binding?

[§9.] Why can not payment be lawfully claimed for gratuitous services? In what cases is a person bound to pay for unasked labor?

[§10.] What else is mentioned as necessary to a valuable consideration? What kind of impossibility will not void a contract?

[§11.] What is said of illegal and immoral considerations?

[§12.] To what kind of contracts does the rule that a consideration is necessary apply? Why not to those under seal?

[§13.] What is declared by the English statute of frauds? What do some states further require?