Sentence examples for assertion has been challenged from inspiring English sources

Led Zeppelin have also been described as "the quintessential purveyors" of masculine and aggressive "cock rock", although this assertion has been challenged.

It was built in haste; contemporary accounts imply it was constructed in only eight days, although this assertion has been challenged.

An additional consideration is that some studies have suggested that the presence of PTSD may result in increased reporting of past trauma, although that assertion has been challenged by a recent re-analysis of the trauma histories of combat veterans [ 40].

This declaration, of course, is precisely the kind of assertion that has been challenged by recent scholars.

The National Bureau of Economic Research has concluded that the recession ended in June of 2009, and Mr. Romney has been challenged in his assertion that Mr. Obama's policies made the recession worse.

However, the concept validity of brain death has been challenged, weakening the authors' assertion that it is a foundational basis for defining futility (Crippen 2014; Peterson et al. 2014; Rady and Verheijde 2013a).

DAKAR, Senegal — The acting president of Nigeria, Goodluck Jonathan, dissolved his cabinet on Wednesday in the strongest assertion yet of his authority over a country where his rule has been challenged.

Although our findings are much in line with previous studies, [ 55- 57] the assertion that worry only relates to anxiety and rumination only to depression has been challenged.

Some of Kyle's assertions in "American Sniper" have been challenged.

Some of Grameen's numbers have been challenged, but no one disputes Yunus's assertion that, contrary to traditional banking doctrine, the poor can be reliable borrowers, even at high rates of interest.

But contemporary theologians, historians and priests have been challenging the historical basis of the Vatican's assertion.