The phrase "a substantive argument for" is correct and usable in written English.
It can be used when discussing a strong, meaningful, or significant rationale or justification for a particular position or action.
Example: "The researcher presented a substantive argument for the need to address climate change in policy discussions."
Alternatives: "a solid case for" or "a strong justification for".
We hope that this review will serve as a more substantive argument for cognitive complexity in pigs.
You could have a substantive argument on whether tax cuts for the rich stimulate the economy and benefit the middle class and the poor.
3. The Romney campaign isn't even trying to make a substantive argument in response — they're just calling names.
You could have a substantive argument on whether the government should play a role in providing health insurance to the uninsured, requiring coverage of pre-existing conditions.
Goodall doesn't expect the chemical manufacturer to come up with a substantive argument against Druker's meticulously researched tome.
This is a problem because it is possible to offer a very strong substantive argument for quite dramatic changes to the foundation of the curriculum, argued on the basis of changes already visible, but more importantly on the basis of changes that will occur in the next three or four decades which may lead to various future scenarios.
That particular comment reveals something we already know: you're a scared little bully man who has no substantive argument for Trump's disturbing behavior or against Kelly, so you chose to utilize a tactic called gaslighting, which means: manipulate (someone) by psychological means into questioning their own sanity.
The dominant legal question (and strongest substantive argument for Defendants) in regard to this type of activity is whether simply placing works in a location that is accessible by others is sufficient to constitute an infringement of the Plaintiffs' rights of public distribution.
There is no substantive argument for the label, nor is one possible given his method of simply selecting who and what counts as representative of the "Mediterranean" view while excluding others e.g., some Greek writers, not many Romans.
