antinomy
/ænˈtɪnəmɪ/noun
(pl. -ies)
- a contradiction between two beliefs or conclusions that are in themselves reasonable; a paradox二律背反（指互相排斥但各自可论证的两种看法或结论之间的矛盾）; 自相矛盾。
词源
late 16th cent. (in the sense a conflict between two laws)： from Latin antinomia, from Greek， from anti 'against' + nomos 'law'.