Mr Altin took issue with Germany's claim that the Egyptian arrest warrant was valid internationally and said that Interpol had refused to grant Egypt such a warrant for Mr Mansour.
When the N.F.L. said that was not a valid excuse, Johnson then changed his story for the final time, saying the positive test was because of the muscle-building supplement creatine and because he had received it from the trainer, it was the trainer's fault.
Little, the Pentagon spokesman, said that timetable is still valid.
Some might scoff and say that there is no valid comparison to be made between the world of the Late Bronze Age and our current technology-driven culture.
In general, if (B) = 1, we say that σ is valid in V(B), and write V B) ⊨ σ.
This is a stronger requirement than saying that σ is valid in the standard semantics.
But Republicans say that is not a valid legal reason not to comply with a subpoena.
By saying that's a completely valid observation.
However, in many cases the relationship between the two variables is more complex, and it is not valid to say that one variable is independent and the other is dependent.
Nevertheless, given what has already been shown as possible, it's now valid to say that activists and visionaries can seize the opportunity inherent in social media to help spur political change.
