Adds the specified fact to the fact set with a membership grade of 1.0, and reevaluates the rules in the system’s agenda.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
An object representing a truth to be claimed by the rule system. For details, see the
Upon asserting or retracting any facts, the system reevaluates the rules in its
agenda list so any rules that depend on changes to the set of facts can perform their actions.