(mathematics) The fact that, in some circumstances, the probability of an event can only be zero or one and not any intermediate value.

plural of zero lower bound

(vulgar, slang, US) Phrase used to emphasize that one does not care about something at all.

plural of zero-edge pool

Synonym of infinity-edge pool

(computing) A problem setup in machine learning, where, at test time, a learner observes samples from classes that were not observed during training and attempts to predict the class that they belong to, typically based on auxiliary information.

propositional logic

(idiomatic) To change from a negative to a positive outcome; to improve one's fortunes significantly. / (idiomatic) To become very popular after being unpopular.

(computing, informal) The rule that a database, a user interface, etc. should allow for either zero, one, or an indefinite number of an entity.