contradiction; inconsistency
self-contradiction; paradox; antinomy
logical inconsistency; logical contradiction
self-contradiction; self-inconsistency
consistency (of an axiomatic system)
contradiction; inconsistency
contradictio in adjecto; contradiction between an adjective and the noun it modifies (wooden iron, hot ice, etc.)
principle of contradiction; law of contradiction
Golden Shield Project; Chinese network-security project which operates the Great Firewall of China