Antirequisite

Antirequisites affect the availability of a course in the opposite direction; if the antirequisite of course A has been taken, then the student cannot enroll in course A.

Source: wiktionary

. Some never stop talking about antirequisites. Others always advocate for splitting courses, and most get angry when the administration does not enforce prerequisites and corequisites.

Source: wiktionary

Those indicating the student had taken a previous university French course were discarded, as were a small number of questionnaires indicating a Francophone family background (an antirequisite for both of these intermediate level courses)

Source: wiktionary

The key result of this Letter, however, is that hierarchical structure formation is not an antirequisite for the successful formation of disks: the adoption of a plausible physical model for feedback can indeed regulate star formation and avoid catastrophic AM loss.

Source: wiktionary