Positive

Positive is a property of positivity and may refer to:

Mathematics and science

Converging lens or positive lens, in optics
Plus sign, the sign "+" used to indicate a positive number
Positive (electricity), a polarity of electrical charge
Positive element of a C*-algebra (such as a bounded linear operator) whose spectrum consists of positive real numbers
Positive formula, a logical formula not containing negation
Positive number, a number that is greater than 0
Positive (photography), a positive image, in which the color and luminance correlates directly with that in the depicted scene
Positive result, a result that has been found significant in statistical hypothesis testing
Positive sense, said of an RNA sequence that codes for a protein
Positive test, a diagnostic test result that indicates some parameter being evaluated was present

Affirmative (linguistics), a property of a non-negated expression (the opposite of negative)
Affirmative (policy debate), the team which affirms the resolution
A positive image, in photography, is one in which the value (lightness–darkness) correlates positively with that in the scene depicted
Negative and positive rights, concerning the moral obligation of a person to do something for/to someone
Positive economics, in economics, about predictions of behavior of economic actors, as opposed to the normative aspect
Positive law, man-made law (statutes) in contrast with natural law (derived from deities or morality)
Positive liberty, the opportunity and ability to act to fulfill one's own potential
Positive (linguistics), the form of an adjective or adverb on which comparative and superlative are formed with suffixes or the use of more or less
Positive psychology, a branch of psychology
Positive science, for a general usage in humanities and social sciences referring to either
- something being value-free, the opposite of normative
- the act of something being described in terms of facts alone
Positive statement, in economics and philosophy, a (possibly incorrect) factual statement about what is, as opposed to what should be (a normative statement)
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