The phrase "as cogent" is correct and usable in written English.
It can be used to compare the clarity or persuasiveness of an argument or statement to something else that is also clear and persuasive.
Example: "Her argument was as cogent as the evidence presented by the opposing side, making it difficult to choose a winner in the debate."
Alternatives: "equally persuasive" or "just as clear".
One of the pleasures is the way son sets off and defers to father, whose solos on "A Sleepin' Bee" and "Street of Dreams" are as cogent as anything put down here by his more famous child.
You sense there may be language underneath as cogent as Davis' "We will have to destroy the American capitalist system," it's just that the voice is taken away.
Not all of Andrews's suggestions, however, are as cogent.
If only Perl's own musings were as cogent and illuminating as the writers he quotes.
There was arching breadth as well as cogent shape in the phrasing.
But they are not really convinced the bull market is back, as cogent as my arguments are.
Mr. Salonen's performance managed to convey the piece as a whole, as a cogent entity.
A cardinal point is Orozco's way of relating to post-minimalism, notably the achievements of Bruce Nauman and Eva Hesse, as a cogent, fertile tradition, rather than — as it has often seemed for the past forty years — a terminal breakdown of art's formal integrity, relevance to life as it is lived, and civilized appeal.
There are so many struggles within My Struggle; but in A Man in Love it seems the true wrangle is between what is real and what is not – whether love is as much of a fiction as a cogent sense of identity.
This voice is trained into us early on, back in high school or Comp 101, when we're taught to make our arguments as succinct and cogent as possible, omitting wishy-washy qualifications like "in my opinion".
Mr. Davis's interpretation of the Elgar was as fervent and cogent as one could wish for, and those who did not tire of the composer's discursive ruminations, which stretch the Symphony No. 1 to uncommon length, must surely have been gratified by the performance.
