antinomy

/ænˈtɪnəmi/
noun
  1. A contradiction between two beliefs or conclusions that are each apparently true and reasonable.
    • The antinomy between free will and determinism has puzzled philosophers for centuries.
    • The scientist struggled with the antinomy of quantum particles that seem to be in two places at once.
    • In the debate, the speaker presented an antinomy: if we help the poor, we encourage dependency, but if we don't, we allow suffering.
Antonyms
What does "antinomy" mean? | whatsthatwordmean | whatsthatwordmean