EntityQ2250696· pop 21· linked from 242 articlescatch-22Sign in to savesituation in which an individual cannot or is incapable of avoiding a problem because of contradictory constraints or rulesConnectionsparadoxEntityalternative medicineEntityThe New England Journal of MedicineEntityWorld War IIConceptInternational Standard Book NumberEntityWayback MachineEntitydigital object identifierEntityinsanityEntityM. C. EscherEntityQ180686EntityJoseph HellerEntityprisoner's dilemmaEntitydesertionEntityGödel's incompleteness theoremsEntityPyrrhic victoryEntityfeedbackEntityDe Morgan's lawsEntityCatch-22EntitypremiseEntityZeno's paradoxesEntityCategories1961 neologismsCatch-22DilemmasFoundationalismHistory of logicJustification (epistemology)LogicLogical paradoxesMetaphorsMetaphors referring to war and violence