Conditional (if then) may refer to: *

Causal conditional Causality is an influence by which one Event (philosophy), event, process, state, or Object (philosophy), object (''a'' ''cause'') contributes to the production of another event, process, state, or object (an ''effect'') where the cause is at l ...

, if X then Y, where X is a cause of Y *

Conditional probability In probability theory, conditional probability is a measure of the probability of an Event (probability theory), event occurring, given that another event (by assumption, presumption, assertion or evidence) is already known to have occurred. This ...

, the probability of an event A given that another event B *

Conditional proof A conditional proof is a proof that takes the form of asserting a conditional, and proving that the antecedent of the conditional necessarily leads to the consequent. Overview The assumed antecedent of a conditional proof is called the condi ...

, in logic: a proof that asserts a conditional, and proves that the antecedent leads to the consequent *

Material conditional The material conditional (also known as material implication) is a binary operation commonly used in logic. When the conditional symbol \to is interpreted as material implication, a formula P \to Q is true unless P is true and Q is false. M ...

, in propositional calculus, or logical calculus in mathematics * Relevance conditional, in relevance logic *

Conditional (computer programming) In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on t ...

, a statement or expression in computer programming languages *A conditional expression in computer programming languages such as ?: *Conditions in a

contract A contract is an agreement that specifies certain legally enforceable rights and obligations pertaining to two or more parties. A contract typically involves consent to transfer of goods, services, money, or promise to transfer any of thos ...

Grammar and linguistics

Conditional mood The conditional mood (abbreviated ) is a grammatical mood used in conditional sentences to express a proposition whose validity is dependent on some condition, possibly counterfactual. It may refer to a distinct verb form that expresses the condit ...

(or conditional tense), a verb form in many languages *

Conditional sentence A conditional sentence is a sentence in a natural language that expresses that one thing is contingent on another, e.g., "If it rains, the picnic will be cancelled." They are so called because the impact of the sentence’s main clause is ''con ...

, a sentence type used to refer to hypothetical situations and their consequences **

Indicative conditional In natural languages, an indicative conditional is a conditional sentence such as "If Leona is at home, she isn't in Paris", whose grammatical form restricts it to discussing what could be true. Indicatives are typically defined in opposition to c ...

, a conditional sentence expressing "if A then B" in a natural language **

Counterfactual conditional Counterfactual conditionals (also ''contrafactual'', ''subjunctive'' or ''X-marked'') are conditional sentences which discuss what would have been true under different circumstances, e.g. "If Peter believed in ghosts, he would be afraid to be h ...

, a conditional sentence indicating what would be the case if its antecedent were true

Other

* "Conditional" (Laura Mvula song) *

Conditional jockey A conditional jockey is an apprentice National Hunt racing jockey in Great Britain or Ireland under the age of 26 who has not won more than seventy-five races under rules or had not won that many races within the last six months. A conditional joc ...

, an apprentice jockey in British or Irish National Hunt racing *

Conditional short-circuit current Conditional short-circuit current is the value of the alternating current Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC ...

Conditional Value-at-Risk Expected shortfall (ES) is a risk measure—a concept used in the field of financial risk measurement to evaluate the market risk or credit risk of a portfolio. The "expected shortfall at q% level" is the expected return on the portfolio in the wo ...

Grammar and linguistics

Other

See also