antinomy
noun
[ anˈtɪnəmi ]
• a contradiction between two beliefs or conclusions that are in themselves reasonable; a paradox.
• "there are not many short novels capable of accommodating bewildering antinomies"
Origin:
late 16th century (in the sense ‘a conflict between two laws’): from Latin antinomia, from Greek, from anti ‘against’ + nomos ‘law’.
