(cryptography) The idea that a cryptosystem should be designed to be secure even if everything about the system, except the secret key, is public knowledge.

(philosophy, rhetoric) The principle according to which an argument should be evaluated in light of its best, strongest possible interpretation.

(sociolinguistics) The idea that listeners and speakers need to cooperate in order to communicate effectively.

plural of agreement in principle

plural of equivalence principle

plural of Micawber principle

plural of proximate principle

plural of superposition principle

Alternative form of non-aggression principle

(evolutionary biology) The hypothesis that the phylogeny which includes the fewest character changes is the one most likely to be correct.