A word for inverted requirements

Question

Say you have some condition that requires x, y, and z to be set for the condition to be true. These would be the 'required' senses
Is there a word for the inverse situation where a success condition requires all of x, y, and z must be unset? The 'inverted' requirements.
Preferrably something more intuitive than 'invert(ed)'
e.g. (X & Y & Z) vs !(X | Y | Z)

BoldBen · Answer

I would say not, for two reasons:

The requirement that something be unset is still a requirement

And

It is possible to have a mixture of positive and negative requirements. That is (X & Y & !Z) to employ the notation you used. A familiar example would be X = engine running, Y = a gear engaged, Z = parking brake applied. If any one of the conditions (X), (Y) and (not Z) is untrue the car (with automatic transmission) won't go anywhere.

Laurel · Answer

Dealbreaker might work:

(in business and politics) a factor or issue which, if unresolved during negotiations, would cause one party to withdraw from a deal.

One site about relationship advice notes that dealbreakers are requirements “flipped around”.

A word for inverted requirements

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