The phrase "a final topic" is correct and usable in written English.
It can be used when referring to the last subject or point of discussion in a conversation, presentation, or written work.
Example: "Before we conclude our meeting, let's discuss a final topic that needs our attention."
Alternatives: "a concluding subject" or "a last point".
A final topic taken up by Autrecourt in this context is the problem of the criterion: How can one discriminate between appearances that provide the basis for true judgments and those that do not?
A final topic of interest along these lines is that of the sensitivity matrix.
As a final topic in this section, we turn to arsenical-based chemotherapy.
A final topic raised by some participants was that they would prefer a website providing additional information about surgery.
Students completed a final individual examination and a collaborative report on specific transnational health issues with a focus on health workforce development as a final topic.
Each party leader has selected three topics to be covered in their individual debate and a "wildcard" fourth and final topic will be chosen in advance by the online community on Twitter and the Leaders Live website.
The final topic is a new train movement simulation method applying integral calculation.
The final topic is a new technique for realistically rendering textiles using volume data originating from micro CT scans of small samples of cloth.
One final topic needing a brief discussion is how the elevated AhR in MCF cells becomes functionally activated even without addition of exogenous ligands.
A final underexplored topic in Spinoza's modal metaphysics concerns what we might call the ground of modality.
Years later, as a Psychology major in college, Lewis is faced with the challenge to discuss her relationship with her father as a final exam topic.
