The phrase "an additional argument for" is correct and usable in written English.
It can be used when presenting a further point or reason in support of a particular claim or position.
Example: "In addition to the previous points made, I would like to present an additional argument for the importance of renewable energy sources."
Alternatives: "a further point in favor of" or "an extra reason supporting".
In short an additional argument for the election campaign, launched last month.
Enrichment of expressed lincRNA promoters in enhancer marks provides an additional argument for the involvement of lincRNAs in the regulation of transcription in cis.
Newton, on the other hand, used these phenomena as the bases for an additional argument for his corpuscular theory of light.
In Washington, where Colombia has been lobbying for congressional approval for a free trade deal, the news of Mario Uribe's arrest will be an additional argument for those who oppose the agreement.
Since causative morphology is also probably generated in the Inner Aspect Phrase, causative examples like 9b and 9c provide an additional argument for the aktionsart hypothesis and the generation of the verbal morphology in an Inner Aspect Phrase (Meisterernst 2016b).
That popularity in Russia may in fact become an additional argument for Americans already on edge to oppose Trump, seeing similarities with Russia as too close and too dangerous.
Lawyers for the government asked for more time to consider whether it wished to make any additional arguments for the document to be exempted.
The described findings do not allow for the entire exclusion of sub-AKI in other patients, but they do not provide any additional arguments for the damage.
But in themselves, such notions of the good do not constitute a full-fledged liberal ethic, for an additional argument is required linking liberal value with norms of equal liberty.
This is a compelling additional argument for our proposed model, which we have now included as Figure 7C and accompanying figure supplement.
All this aligns with Pfänder's view about meaning acts, but Reinach develops an additional argument that turns out to be crucial for the understanding of this kind of act.
