
Precondition
Conditional Necessity
The term implies that something else cannot start or happen unless the 'precondition' is met first.
Having a valid passport is a precondition for international travel.
Often Formal
Commonly used in formal contexts such as contracts, rules, and technical plans.
The contract states the preconditions for the sale of the property.
Implicit Hierarchy
It indicates a hierarchy of actions or events where the precondition is a fundamental first step.
Worker training is a precondition for the factory opening.