Today researchers routinely use monoclonal antibodies to identify whether particular proteins are present in cells.
Good news, but it does not illuminate whether particular buildings or features are positive.
Determining whether particular gun control laws would have, on balance, prevented some of those deaths is difficult.
One day, our courts are likely to have to rule on whether particular statutes infringe the principle.
But the determination of whether particular materials have "serious value" is, in the first instance at least, made by prosecutors.
This is not simply a narrow question about whether particular UK offences may or may not have been committed by individual British agents.
They had to take into account whether particular cases could be identified for special treatment and suggest clear principles on which these anomalies might be rectified.
It will be interesting to see whether particular groups of universities are awarding many more firsts than they used to be, or if all are.
Also, users can vote on whether particular reviews are helpful.
Philosophers ponder whether particular conditions merit such exceptionalism.
Faculty, students and other potential users of OER assessing whether particular resources suited their requirements.
