The phrase "after challenging whether" is correct and usable in written English.
It can be used when discussing a situation where someone questions or disputes the validity or truth of something before moving on to another point or action.
Example: "After challenging whether the data was accurate, the team decided to conduct further research."
Alternatives: "after questioning whether" or "after disputing whether".
Florida Sen. Marco Rubio effectively dismantled a question about the Sun-Sentinel editorial board calling on him resign after missing votes by challenging whether the paper responded as harshly when it came to the voting records of the Democratic senators it endorsed for president. .
Richard O'Dwyer travelled to the US voluntarily after spending more than two years challenging whether he should be extradited to face charges.
Not surprisingly, after Helmsley's death in 2007, the two disinherited grandkids sued, challenging whether she'd been mentally competent when she made the will.
More lawsuits are challenging whether the ordinance is constitutional.
Mencius is challenging whether impartial consequentialism can be successfully implemented.
After challenging the driver and asking whether he would "do the same thing if it was a guy or a girl?", Mr Sloan says that he drove away.
1991 Running again for the Council, he is struck from the ballot after an opponent challenges whether he lives in the district.
Oregon postponed a $2.09 billion taxable bond sale after a resident filed a complaint that challenged whether the state can legally sell debt to finance pension obligations.
The watchdog stepped in after a complaint from the British Stammering Association, which challenged whether the advert was misleading because it did not think it was possible to cure a stutter.
Those changes, made in the form of a substitute, won support in the full House after Minority Leader David J. Toscano, D-Charlottesville, unsuccessfully challenged whether the substitute was germane to the original bill.
