The phrase "a main matter" is correct and usable in written English.
It can be used when referring to a primary or significant issue or topic in a discussion or text.
Example: "In our meeting, we will focus on a main matter that affects the entire project timeline."
Alternatives: "a key issue" or "a primary concern."
When he first addresses the audience, he's an old man in a dressing gown, recalling dazzled days; in the main matter of the play, he is a young man.
When Henry Carr first addresses the audience, he's an old man in a dressing gown, recalling dazzled days; in the main matter of the play, he is a young man, who played Algernon ("not Ernest, the other one," as he says in "Travesties") in a production of "The Importance of Being Earnest" arranged by Joyce, in Zurich, for the English Players, a theatrical company.
One used to read aloud sections of his wife's letters; another admitted that he composed his letters home in a strictly literary fashion - eye-catching opening, then the main matter, the threads of his discourse gradually drawing together to reach a concluding paragraph of rounded sonority.
They also assert that I and a colleague, who had donated to Representative Tom DeLay's defense fund, were named to the ethics committee "when the main matter pending before the committee involved" Mr. DeLay.
The second matter for concern – perhaps the main matter – is the tension between legitimate expectations of privacy on the one hand, and the importance of uncovering hidden political influence on the other.
But these are really hors d'oeuvres before we move to the main matter, the grievous history of Heidegger's rejection and subsequent neglect of Husserl, which Steiner links overtly to the story of Faustus.
On the main matter today – the order to assess the impact on borrowers of sharp rises in interest rates – the FPC is acting very sensibly given the surge in gilt yields in the past month.
But let us return to the main matter.
For larger numbers of active array elements (e.g., when M = 20), the obtained approximation shows a similar behavior with better accuracy (the figures that show this behavior are not included since they do not bring new insights in the main matter of the paper).
The main matters to be resolved, Mr. Lamy said, include the well-aired issue of safeguards for possible surges of agricultural imports for developing countries.
