function hasNotStartedSerie($user, $serie)
{
    if (isEmptySeries($serie)) {
        return false;
    }
    $exercises = getAllExercisesOfSeries($serie);
    foreach ($exercises as $exercise) {
        if (getAccomplishedExercise($user, $exercise)) {
            return false;
        }
    }
    return true;
}
                            <strong><a href="/series/{{$serie->title}}">
                                {{$serie->title}}
                            </a></strong><br/>
                        @endif
                    @endforeach
                </div>

                <div class="row">
                <u><h4>Work in progress</h4></u>
                    @foreach($allseries as $serie )
                        @if( hasNotCompletedWholeSerie($user, $serie) )
                            <strong><a href="/series/{{$serie->title}}">
                                {{$serie->title}}
                            </a></strong><br/>
                            <?php 
$exercises = getAllExercisesOfSeries($serie);
?>
                            <div class=container-fluid>
                            @foreach($exercises as $exercise)
                                <div style="float: left">
                                    <em><a href="/exercises/{{ $exercise->id }}" style="color: white">
                                    {{ firstChars(strip_tags($exercise->question), 20) }}</a></em>
                                </div></br>
                                @if ( userSucceededExercise($exercise->exId, $user->id) )
                                <div style="float: right">
                                    was solved correctly!
                                </div></br>
                                @elseif ( getAccomplishedExercise($user, $exercise) )
                                <div style="float: right">
                                    was incorrect.
                                </div></br>