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Getting computers to understand human language is not a trivial problem.
Sexual harassment in the workplace is not a trivial matter.
I don't know why he gets so upset about something so trivial.
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Women with other than trivial complaints were excluded from further participation, as were those who took oestrogens or progestins and those who became pregnant.
Hence, we can conclude the existence of at least one non-trivial steady state.
All four patients had trivial regurgitation of their left atrioventricular valve as documented by epicardial echochardiography performed at the completion of the original repair.
It was a non-trivial, epistemological move to define change as lawful, and to conceive of a series of changes as a meaningful unit.
These bounds follow from elementary, but non-trivial computations, which we omit.
The system remains simple and intuitive, but it enjoys a strong soundness property whose proof is non-trivial.
A topological field theory should be trivial on the sphere, since the sphere is a topologically trivial manifold.
This requirement is essential in the simply typed calculus for obtaining non-trivial inequalities.