contradiction

英[kɒntrə'dɪkʃ(ə)n] 美[,kɑntrə'dɪkʃən]

1. opposition between two conflicting forces or ideas

2. (logic) a statement that is necessarily false;

"the statement `he is brave and he is not brave' is a contradiction"

3. the speech act of contradicting someone;

"he spoke as if he thought his claims were immune to contradiction"