Condition or conditions may refer to:
In philosophy and logic
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Material conditional
The material conditional (also known as material implication) is an operation commonly used in logic. When the conditional symbol \rightarrow is interpreted as material implication, a formula P \rightarrow Q is true unless P is true and Q i ...
, a logical connective used to form "if...then..." statements
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Necessary and sufficient condition
In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements. For example, in the conditional statement: "If then ", is necessary for , because the truth of ...
, a statement which is true if and only if another given statement is true
In science and technology
In computer science
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Exception handling#Condition systems, a generalization of exceptions in exception handling
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Condition (SQL)
A relational database management system
A relational database is a (most commonly digital) database based on the relational model of data, as proposed by E. F. Codd in 1970. A system used to maintain relational databases is a relational datab ...
, a filtering mechanism in relational database queries
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Condition variable
In concurrent programming, a monitor is a synchronization construct that allows threads to have both mutual exclusion and the ability to wait (block) for a certain condition to become false. Monitors also have a mechanism for signaling other thr ...
, a synchronization primitive in concurrent programming
In medicine
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Medical condition
A disease is a particular abnormal condition that negatively affects the structure or function (biology), function of all or part of an organism, and that is not immediately due to any external injury. Diseases are often known to be medica ...
, as a synonym for disease
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Medical state
Medical state is a term used to describe a hospital patient's health status, or condition. The term is most commonly used in information given to the news media, and is rarely used as a clinical description by physicians.
Two aspects of the patie ...
or condition, a patient's clinical status in a hospital
In numerical analysis
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Condition number
In numerical analysis, the condition number of a function measures how much the output value of the function can change for a small change in the input argument. Th