title: How to uncheck checkbox immediately?
body: <p>I have this HTML code:</p>
  
  <pre><code>&lt;tr *ngFor="let stud of [1,2,3]"&gt;
      &lt;mat-checkbox (change)="setPupilAbsence($event)"&gt;&lt;/mat-checkbox&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>And handler:</p>
  
  <pre><code>public setPupilAbsence(event: MatCheckbox): void {
        event.checked = false;
  }
  </code></pre>