Prerequisite

als Vorbedingung geltend

(indispensable)

unabdingbar

(indispensable)

unverzichtbar

(indispensable)

vorauszusetzen

(indispensable)

zwingend erforderlich

(indispensable)

Teilnahmevoraussetzung

(In education, a course or topic that must be completed before another course or topic can be started)

Unabdingbarkeit

(Something that must be gained in order to gain something else)

Voraussetzung

(Something that must be gained in order to gain something else)

Vorbedingung

(Something that must be gained in order to gain something else)

zwingendes Erfordernis

(Something that must be gained in order to gain something else)