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A simple negative feedback system is descriptive, for example, of some electronic amplifiers. The feedback is negative if the loop gain AB is negative.. Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by ...
Negative numbers are used to describe values on a scale that goes below zero, such as the Celsius and Fahrenheit scales for temperature. The laws of arithmetic for negative numbers ensure that the common-sense idea of an opposite is reflected in arithmetic. For example, − (−3) = 3 because the opposite of an opposite is the original value.
A false negative error, or false negative, is a test result which wrongly indicates that a condition does not hold. For example, when a pregnancy test indicates a woman is not pregnant, but she is, or when a person guilty of a crime is acquitted, these are false negatives.
The negativity bias, [1] also known as the negativity effect, is a cognitive bias that, even when positive or neutral things of equal intensity occur, things of a more negative nature (e.g. unpleasant thoughts, emotions, or social interactions; harmful/traumatic events) have a greater effect on one's psychological state and processes than neutral or positive things.
Examples include: Employees at a factory shipping product to customers too early so their inventory is reduced to meet a projection; [8] Production plants refusing shipments of raw material at month-end so that monthly completion projections are met, even if doing so causes a negative impact on customer deliverables and overall production ...
Some philosophers (see criticisms) disagree that the negative–positive rights distinction is useful or valid. Under the theory of positive and negative rights, a negative right is a right not to be subjected to an action of another person or group such as a government, usually occurring in the form of abuse or coercion.
However, there has also been a flipping of words and phrases associated with negative definitions to be humorous, such as the phrase “I’m dead” equating to laughter for younger generations ...
For example, with the predicate P as "x is mortal" and the domain of x as the collection of all humans, () means "a person x in all humans is mortal" or "all humans are mortal". The negation of it is ¬ ∀ x P ( x ) ≡ ∃ x ¬ P ( x ) {\displaystyle \neg \forall xP(x)\equiv \exists x\neg P(x)} , meaning "there exists a person x in all humans ...