The phrase "a powerful argument that" is correct and usable in written English.
It can be used when introducing a strong point or reasoning in support of a claim or position.
Example: "The research presents a powerful argument that climate change is accelerating at an unprecedented rate."
Alternatives: "a compelling case that" or "a strong point that".
I'd have to say it's a powerful argument that has yet to be falsified.
That said, it marshals a powerful argument that's bolstered by empirical reality: the eternal failures of mechanical forecasting; the sheer difficulty of beating the market with consistency; the unforeseeable ways that history unfolds.
Author's response: First of all, we would contend that the Tree of Life hypothesis was indeed applied to all of organismal life, but not to all evolving entities - it conspicuously left out plasmids, viruses, phage etc. Simpler ideas are appealing and indeed parsimonious reasoning is a powerful argument that is applied for many explanations in biology.
There is a powerful argument that..
They offer a powerful argument that the earth is, in fact, extremely unusual.
The effect is a powerful argument that Strindberg's bloody notions about men and women still obtain.
"It's a phenomenally powerful argument that's never been properly exploited … and should be a key, visible ingredient leading to the defeat of Barack Obama".
There was a very powerful argument that said, OK, you've experienced the heights and depths of public life, and the next chapter should be completely different.
I think you can make a very powerful argument that having a black judge is important for the judiciary, or women judges, but it's not like that issue.
And while this decision may well be overturned on appeal, it offers a cogent, powerful argument that all members of Congress -- indeed, all Americans -- should contemplate.
"It's a very powerful argument that much that has gone wrong in our world is the consequence of forgetting that we are creatures rather than masters," Ivereigh said Monday.
