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In mathematics, a number is called positive if it is bigger than zero. See negative and non-negative numbers.

In functional analysis, a bounded linear operator is positive if its spectrum consists of positive real numbers.

In physics, one distinguishes positive and negative electric charges.

If a medical test for a certain disease is applied, the outcome is termed positive if the disease is detected.

In the humanities and social sciences, a theory is called positive if it aims to describe what is the case as opposed to what ought to be the case. See positive (social sciences).

In philosophy, positivismPositivism is the name for (at least) two philosophical directions. They have in common the idea of a science without theology or metaphysics, based only on facts about the physical / material world. The older positivism is based on the philosophical thin is the name for theories which aim to be based on facts alone, eschewing metaphysics and religion.

See also " negativeNegative has meaning in several contexts: Negative and non-negative numbers Negative (photography) Negative (music) For other contexts see " positive"." and " normativeIn positivist philosophy, normative is contrasted with its antonym, positive when describing types of theories, beliefs, or statements. A positive statement is a falsifiable statement that attempts to describe ontology. A normative statement, on the other."

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Positive-definite matrixIn linear algebra, the positive-definite matrices are (in several ways) analogous to the positive real numbers. An n × n Hermitian matrix M is said to be positive definite if it has one (and therefore all) of the following 6 equivalent properties: 1 For a	Positive psychologyA term coined by psychologist Martin E. Seligman, and a movement in psychology which emphasizes what is right with people rather than what is wrong with them. Psychology tends to be about negative things anxiety, depression, stress. It is typified by the	Positive feedbackPositive feedback is a type of feedback. Open systems (ecological, biological, social) contain many types of regulatory systems, among which are systems that involve positive feedback and its relative negative feedback. When a change of variable occurs in
PositiveIn common usage positive is sometimes used in affirmation, as a synonym for "yes" or to express "certainty". In mathematics, a number is called positive if it is bigger than zero. See negative and non-negative numbers. In functional analysis, a bounded li	Positive rightPositive rights or civil rights are rights or guarantees to certain things, as opposed to negative rights which are the rights from certain things, usually freedoms from abuse or coercion by others. For example, a right to an education is a positive right	Positive libertyPositive liberty an idea that was first expressed and analyzed as a separate conception of liberty by John Stewart Mill but most notably described by Isaiah Berlin, refers to the ability to act to fulfill one's own potential, as opposed to negative libert
Positive definite	Positive (social sciences)	Positive resist
Positive linear functional	Positive element	Positive outcome bias
Positive economics	Positive pressure	Positiveness