The phrase "as forcefully stated" is correct and usable in written English.
It can be used to emphasize that something has been expressed with strong conviction or intensity.
Example: "The committee's decision was, as forcefully stated, a reflection of the community's needs and concerns."
Alternatives: "as strongly asserted" or "as emphatically expressed".
Mr. Gann's work, which uses quotations from its title characters as its text (as well as a fanciful speech by Custer's ghost), locates truth as a quality that hovers between two forcefully stated positions.
When the World Bank's president, Jim Yong Kim, forcefully stated his commitment to curb crony capitalism under his watch earlier this year, he used Bangladesh as an example of how the bank would punish "insufficient response by the authorities to the evidence of corruption".
The investigators' actions conform with the frequently and forcefully stated view of Prime Minister Hun Sen that two trials were enough and that, as he told the U.N. secretary general, Ban Ki-moon, last October, Case Three was "not allowed".
This conclusion is nowhere so forcefully stated in the published Principia, but knowledgeable readers nonetheless saw the work as answering the question whether the true motions are mathematically perfect in the negative.
In the Confession he sought to be as inoffensive to the Catholics as possible while forcefully stating the Evangelical position.
Berthe Tereta makes clear he is a proud Muslim before forcefully stating his position that "no religion tolerates barbarity".
No one spoke or wrote about architecture as forcefully as Scully.
It hit you as forcefully as his rocky good looks, his patriotism and his prickliness.
And abstract concepts simply don't motivate people to act as forcefully as specific ones do.
"We needed to push back as forcefully as we have been pushed," Rogero said.
