That account will, I doubt not, stand the test of the most learned and rigorous investigation.

After all, flawed basic concepts should not form the starting point for rigorous analytical investigation.

And officials at the Justice Department are conducting a far more rigorous investigation than the companies expected.

Glynn does not conduct a rigorous investigation of his old enemy's murder.

With each model a rigorous mathematical investigation is needed to identify a chaotic state (beyond visual interpretation).

During the Enlightenment, there was rigorous investigation of these ideas.

Should concerns remain, one of the agencies involved can request an additional and more rigorous 45-day investigation.

His works are characterized by a rigorous investigation of the sources and a critical view of the historical process.

Such inquiries are limited to 30 days, although they can be followed by more rigorous 45-day investigations if questions remain.

Many systems are subjecting newly hired officers to rigorous investigation and drug testing.