help with fet constraint or trick

Started by fartoto_dz2004, September 25, 2022, 04:36:40 PM

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How do I ensure that a particular professor has at least two activities(same group or different) with/beside a specific activity (with a activity tag or a subject name) ?
more explanation:
i have a teacher who have 3 groups with same subject but he have a 4th group with another quarterly subjet  i want to ensure that the teacher won't have 1 activity in a day when he finished the quarterly subjet

Liviu Lalescu