"assert how" is a correct and usable phrase in written English.
It is typically used to introduce a statement or argument in which the speaker or writer is asserting or claiming something. Example: The scientist asserted how the new discovery will change the field of medicine for years to come.
Major General Yossi Peled, one of the commanders who drafted the directive, told Haaretz that its purpose was to assert how far the military could go to prevent abductions.
Political etiquette requires potential vice-presidential picks to deny any interest in the post and assert how much they love their present job, all the while coyly batting their eyelashes at the nominee to signal their availability.
Indeed, our results are obtained from exfoliated samples which means a perfect stacking between the two layers forming the 2LG system but we still cannot assert how the results of this work will apply for small angles.
The Beckett report does say four factors were constantly raised as explanations for Labour's defeat – lack of trust on the economy, "connection" issues such as benefits and immigration, Miliband's leadership and fear of the SNP's influence on a minority Labour government – but it does not go into detail or assert how important these factors were.
CES 2018 will be the year that Google and Amazon attempt to assert how pliable and adaptable their assistants really are.
So let's ask where we went wrong, each time we assert how these youth went wrong.
"Step Up to the Plate" asserts how family, in multifarious ways, can be the most deeply affecting of ensembles.
The second law of mechanics generalized the work of Galileo and Descartes on terrestrial dynamics, asserting how bodies generally move when they are subjected to external forces.
If the system really discourages adaptive leadership, as Mr. Ricks asserted, how can it be relied on to produce a critical appraisal of its performance without external pressure?
Its scientists dug up anthrax bombs and prepared a detailed report that would explain, they asserted, how they disposed of 1.5 tons of deadly VX nerve gas in a dirt pit in 1991.
But you will have been amazed at many things, and perhaps even cry aloud a few times, asserting how much easier it would be to choose the second alternative in this franchise's title than the first.
