Based on the given situation where apartment rules prohibit more than three unrelated people from living together and there are four unrelated people living in the apartment, the serving of eviction papers is an example of the enforcement of a private law.
Private law refers to the component of a civil law legal system which is part of the jus commune involving relationships between individuals including the law of contracts and torts, and the law of obligations. It is applicable to any circumstances concerning relationships between individuals in a legal system. Hence, as the scenario describes the relationship between the landlord and tenant, the eviction is the enforcement of a private law.
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