Mistake (contract law) void. Traditionally, Caveat Emptor (let the buyer beware), and under Common Law Caveat Venditor (let the seller beware). A contract might be voidable from unilateral mistake for any of the following: A mutual mistake occurs when the parties to a contract are both mistaken about the same "material" fact within their contract. They are at cross-purposes. There is a meeting of the minds, but the parties are mistaken. Hence the contract is voidable. "Collateral" mistakes will not afford the right of rescission. A collateral mistake is one that 'does not go to the heart' of the contract. For a mutual
Latin syntax like the following, there is potential for confusion, since the "quīn" clause, though positive in Latin, is translated in English with a negative: In the following context, the words after "quīn" express not what actually happened but what very nearly happened: The pronoun "quī" 'who' or 'which', when followed by a subjunctive, can mean 'a person such as' (generic): It can also mean 'in order to' (purpose): Another meaning is 'in view of the fact that' (giving an explanation), as in the following example, said jokingly of a consul who was elected on the last day of the year: Another