as a matter of form
a matter of form
That which is done for the sake of procedure, formality, appearances, or the accepted norm, often implying a lack of usefulness or necessity. I know we already covered the chapter on social economics last week, but as a matter of form, let's review its key points before beginning today's lecture. The doctors weren't too worried about her illness, but as a matter of form they decided to keep her in the hospital overnight.