'valid inquiry' is correct and can be used in written English.
It is typically used to indicate that a question is reasonable and should be taken seriously. For example: "What is the plan for next quarter?" is a valid inquiry that should be answered at the upcoming meeting.
A valid inquiry requires Turkey's co-operation to share the findings of the post-mortems into the nine Turkish citizens killed.
The question will be asked with increasing regularity and the pattern of denial from Chelsea manager Jose Mourinho is also emerging - but it remains a valid inquiry nonetheless.
Can you really fathom the absurdity and profundity of a black American in 2014 giving serious consideration to the question "What kind of slave would I have been?" This is a real and valid inquiry -- one to which there is no correct answer, only responses that interrogate one's conviction, strength, masculinity/femininity, bravery and honor.
Our initial studies of the nQuire-it platform have raised issues of how to enable people to frame valid inquiries, how to engage scientists in these endeavours, and how to sustain an active community of citizen inquiry.
"It will be subject to strict audits and controls, and only used to support valid, authorized inquiries," he said.
He can indeed, for this is deemed a valid line of inquiry.
The other valid line of inquiry concerns the timing of the poll.
Ontological and epistemological naturalism respectively state that all entities and all valid methods of inquiry are in some sense natural.
If you believe that sociology or anthropology are valid fields of inquiry, then you already accept the premise that there can be characteristics of one group of people that other groups may not share.
We note that Latin America is a cultural and geographic construct that includes territories, people, and politics throughout the Americas, and as such the entire hemisphere is a valid site of inquiry for China Latin America relations.
